0 of 64 answered

Chemistry

GOC

64 questions · Click an option and press Check Answer to reveal the result

The possible number of alkynes with the formula C₅H₈ is

How many π electrons in conjugation are there in the following species?

Correct order of acidic strength

H₃PO₄ > H₃PO₃ > H₃PO₂

HClO < HClO₂ < HClO₃ < HClO₄

H₃PO₃ > H₃PO₂ > H₃PO₄

Both (2) & (3)

All of the following compounds can not show geometrical isomerism, except

2-Methylpropene

Pent-1-ene

Pent-2-ene

2,3-Dimethylbut-2-ene

Correct order of nucleophilicity

CH₃^– < NH₂^– < OH^– < F^–

F^–< OH^– < CH₃^– < NH₂^–

OH^– < NH₂^–< F^– < CH₃^–

F^–< OH^– < NH₂^–< CH₃^–

Consider the following compounds.

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The correct order of acidic strength is

(i) > (ii) > (iii)

(ii) > (iii) > (i)

(iii) > (i) > (ii)

(iii) > (ii) > (i)

A student named a certain compound as 3, 4-dipropylhexane. Its correct IUPAC name is;

4, 5-diethyloctane

4-ethyl-5-propylheptane

5-propyl-4-ethylheptane

3,5-diethyloctane

Match List I with List II

1-Chloropropane

Butanamide

Butan-2-amine

Propanoyl chloride

Hex-2-ene and 2-methylpent-2-ene exhibit;

chain isomerism

position isomerism

functional isomerism

optical isomerism

The most stable carbocation among the following is;

(1)

(2)

(3)

(4)

How many optically active stereoisomers are possible for butane -2, 3-diol ?

Write the structural formula of the compound 3-methylbutanoic acid

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Given below are two statements: Statement I: Metamerism arises due to different alkyl chains on either side of the functional group in the molecule. Statement II: Methoxypropane and ethoxyethane show metamerism. In the light of the above statements, choose the correct answer from the options given below:

Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

Optical isomers possible for the given compound is :

CH₃ – CH(OH) – CH(OH) – CH₃

ℓ

meso

All

Which of the following compound is/are chiral ?

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Which is incorrect stability order?

(1)

(2)

(3)

(4)

The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is;

–COOH > –SO3H > –CONH2 > –CHO

–SO3H > –COOH, –CONH2 > –CHO

–CHO > –COOH > –SO3H > –CONH2

–CONH2 > –CHO > –SO3H > –COOH

Most powerful leaving group in following

$N H_{2}^{-}$ .

$O H^{-}$ .

$C H_{3}^{-}$ .

$F^{-}$ .

Given below are two statements: Statement I: The given two compounds are structural isomers. Statement II: The compounds given above both have 4 carbon atoms and 8 hydrogen atoms. In the light of the above statements, choose the correct answer from the options given below:

Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

What is the IUPAC name of the following compound?

6-Oxohexanoic acid

6-Oxohexanal

6-Oxohexanone

1,2-Dioxohexanol

How many different alcohols (excluding optical isomers) are possible with the molecular formula C₄H₁₀O ?

In which of the following molecules all the effects namely inductive, mesomeric and hyperconjugation operate?

(1)

(2)

(3)

(4)

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): The IUPAC name of the given compound is 3-Ethyl-4,4-dimethylheptane. Reason (R): The numbering during IUPAC naming is done in such a way that the branched carbon atoms get the highest possible numbers. In the light of the above statements, choose the correct answer from the options given below:

A is true but R is false.

A is false but R is true.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is NOT the correct explanation of A.

Aromatization in alkane can be brought using :-

Al₂O₃

Fe₂O₃

Cr₂O₃ / Al₂O₃ at 600°C

Conc. H₂SO₄

Given below are two statements: Statement I: The compounds given below are position isomers. Statement II: When two or more compounds differ in the position of substituent atom or functional group on the carbon skeleton, they are called position isomers. In the light of the above statements, choose the correct answer from the options given below:

Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

Total structural isomers of C₈H₁₈in which each isomer must have at least one 4° carbon :-

The pair of structures represents;

Chain isomer

Position isomers

Conformers

Functional isomers

The IUPAC name of OHC-CH=CH–CH–CH=CH2 is

5-Vinyloct-3-en-1- al

4-Butylhexa-2, 5-dien-1-al

5-Vinyloct-5-en-8-al

3-Butylhexa-1, 4-dien-8-al.

The IUPAC name of the structure is

Screenshot 2026-04-23 at 11.33.31 AM.png

3-amino-2-formyl butane-1, 4-dioic acid

3-amino -2,3-dicarboxy propanal

2-amino -3- formyl butane -1, 4-dioic acid

1-amino -2-formyl succinic acid

How many of the following compounds are aromatic in nature ?

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Given below are two statements: Statement I: Benzene is aromatic in nature. Statement II: Pyridine is aromatic in nature. In the light of the above statements, choose the correct answer from the options given below:

Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

The correct acidity order of the following is;

III > IV > II > I

IV > III > I > II

III > II > I > IV

II > III > IV > I

Which of the following compound is aromatic in nature?

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The most stable carbocation among the following is.

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Which of the following alkenes is the most stable?

(1)

(2)

(3)

CH2=CH2

The IUPAC name of the given compound is;

1,1-Dimethylbutane-1,3-diol

4-Methylpentane-2,4-diol

2-Methylpentane-2,4-diol

1,3,3-Trimethylpropane-1,3-diol

Give the E-Z designation of the following compound

Screenshot 2026-04-23 at 1.24.38 AM.png

E-Z

E-E

has the IUPAC name;

2-sec butylbutanal

2,3-diethylbutanal

2-ethyl-3-methylpentanal

3-methyl-2-ethylpentanal

Among the following the strongest base is

C₆H₅NH₂

p-NO₂–C₆H₄NH₂

m–NO₂–C₆H₄NH₂

C₆H₅CH₂NH₂

Geometrical isomerism is not shown by;

(1)

(2)

CH2=C(Cl)CH3

CH3–CH=CH–CH=CH2

Which is most basic among the following?

CH3CH2CH2NH2

Cl–CH2CH2NH2

O2N–CH2CH2–NH2

F–CH2CH2–NH2

In following compounds the correct order of basicity is?

I > III > II

I > II > III

III > II > I

III > I > II

Identify the most stable conformer of 2-fluoroethanol among the following?

(1)

(2)

(3)

(4)

m-Dichlorobenzene and p-Dichlorobenzene are;

geometrical isomers

functional isomers

position isomers

chain isomers

The number of carbon atoms present in the principal carbon chain of the given compound are;

Which of the following compounds exhibits stereoisomerism ?

2-methylbutene-1

3-methylbutyne-1

3-methylbutanoic acid

2-methylbutanoic acid

Which of the following is the most stable carbanion :

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(i) > (ii) > (iii) > (iv)

(i) > (iv) > (iii) > (ii)

(iv) > (iii) > (i) > (ii)

(iv) > (i) > (ii) > (iii)

The correct IUPAC name of given compound is

Screenshot 2026-04-21 at 2.14.44 PM.png

3-ethanoyl oxycyclopent-4-ene carboxylic acid

2-ethanoyl oxycyclopent-2-ene carboxylic acid

4-ethanoyl oxycyclopent-3-ene carboxylic acid

4-ethanoyl oxycyclopent-2-ene carboxylic acid

Which of the following molecules is chiral?

(1)

(2)

(3)

(4)

Which of the following carbocation is least stable?

(1)

(2)

(3)

(4)

Inductive effect involves;

displacement of σ-electrons

delocalisation of π-electrons

delocalisation of σ and π-electrons

displacement of π-electrons

For the given compound, the correct statements is/are; A. Total number of stereoisomers possible for the compound given above are 8. B. Total number of stereoisomers possible for the compound given above are 4. C. There are 2 chiral centers present in the compound given above.

A, B and C

A and B

Only A

A and C

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): IUPAC name of CH3CH2C≡CH is but-1-yne. Reason (R): IUPAC name of CH2=CHCH2C≡CH is pent-5-en-1-yne. In the light of the above statements, choose the correct answer from the options given below:

A is true but R is false.

A is false but R is true.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is NOT the correct explanation of A.

Which one is the correct order of acidity?

CH≡CH > CH3–C≡CH > CH2=CH2 > CH3–CH3

CH≡CH > CH2=CH2 > CH3–C≡CH > CH3–CH3

CH3–CH3 > CH2=CH2 > CH3–C≡CH > CH≡CH

CH2=CH2 > CH3–CH=CH2 > CH3–C≡CH > CH≡CH

The IUPAC name of CH3–CO–CH2–CH(OH)–CHO is :

5-oxo-4-hydroxy-2-pentanone

4-hydroxy-5-al-2-pentanone

2-Hydroxy-4-oxopentanal

1-Al-4-oxo-2-pentanol

Which of the following compounds is isomeric with 2,2,4,4-tetramethylhexane?

hexane

4-isopropylheptane

pentane

heptane

Total number of structural isomers possible for C3H6 are;

In which of the following compounds carbon–oxygen bond length is minimum?

CH3–OH

C6H5–CH2–OH

CH2=CH–OH

CH2=CH–CH2–OH

The I.U.P.A.C. name of compound (CH₃)₃C.CH₂CONH₂ is : –

1, 1,1- trimethyl propanamide

3, 3, 3-trimethyl propanamide

3, 3-dimethyl butanamide

3-t-butyl propanamide

Sodium carbonate extract is prepared by

Fusing soda and mixture and then extracting with water

Dissolving NaHCO3 and mixture in dil HCl

Boiling Na2CO3 and mixture, in dil. HCl

Boiling Na2CO3 and mixture, in distilled water

The functional group present in pentan-1-amide is;

–NC

–CN

–CONH2

–CH2NH2

Which of the following compound can not show geometrical isomerism?

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H – N = N – H

Which of the following compounds predominantly gives the para-nitro product as the major isomer upon nitration using a nitrating mixture (HNO₃ + H₂SO₄)?

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The number of structural isomers possible with the molecular formula C₄H₁₁N is

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0 of 64 answered

Chemistry

GOC

64 questions · Click an option and press Check Answer to reveal the result

The possible number of alkynes with the formula C₅H₈ is

How many π electrons in conjugation are there in the following species?

Correct order of acidic strength

H₃PO₄ > H₃PO₃ > H₃PO₂

HClO < HClO₂ < HClO₃ < HClO₄

H₃PO₃ > H₃PO₂ > H₃PO₄

Both (2) & (3)

All of the following compounds can not show geometrical isomerism, except

2-Methylpropene

Pent-1-ene

Pent-2-ene

2,3-Dimethylbut-2-ene

Correct order of nucleophilicity

CH₃^– < NH₂^– < OH^– < F^–

F^–< OH^– < CH₃^– < NH₂^–

OH^– < NH₂^–< F^– < CH₃^–

F^–< OH^– < NH₂^–< CH₃^–

Consider the following compounds.

Screenshot 2026-04-20 at 1.26.18 PM.png

The correct order of acidic strength is

(i) > (ii) > (iii)

(ii) > (iii) > (i)

(iii) > (i) > (ii)

(iii) > (ii) > (i)

A student named a certain compound as 3, 4-dipropylhexane. Its correct IUPAC name is;

4, 5-diethyloctane

4-ethyl-5-propylheptane

5-propyl-4-ethylheptane

3,5-diethyloctane

Match List I with List II

1-Chloropropane

Butanamide

Butan-2-amine

Propanoyl chloride

Hex-2-ene and 2-methylpent-2-ene exhibit;

chain isomerism

position isomerism

functional isomerism

optical isomerism

The most stable carbocation among the following is;

(1)

(2)

(3)

(4)

How many optically active stereoisomers are possible for butane -2, 3-diol ?

Write the structural formula of the compound 3-methylbutanoic acid

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Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

Optical isomers possible for the given compound is :

CH₃ – CH(OH) – CH(OH) – CH₃

ℓ

meso

All

Which of the following compound is/are chiral ?

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Which is incorrect stability order?

(1)

(2)

(3)

(4)

The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is;

–COOH > –SO3H > –CONH2 > –CHO

–SO3H > –COOH, –CONH2 > –CHO

–CHO > –COOH > –SO3H > –CONH2

–CONH2 > –CHO > –SO3H > –COOH

Most powerful leaving group in following

$N H_{2}^{-}$ .

$O H^{-}$ .

$C H_{3}^{-}$ .

$F^{-}$ .

Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

What is the IUPAC name of the following compound?

6-Oxohexanoic acid

6-Oxohexanal

6-Oxohexanone

1,2-Dioxohexanol

How many different alcohols (excluding optical isomers) are possible with the molecular formula C₄H₁₀O ?

In which of the following molecules all the effects namely inductive, mesomeric and hyperconjugation operate?

(1)

(2)

(3)

(4)

A is true but R is false.

A is false but R is true.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is NOT the correct explanation of A.

Aromatization in alkane can be brought using :-

Al₂O₃

Fe₂O₃

Cr₂O₃ / Al₂O₃ at 600°C

Conc. H₂SO₄

Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

Total structural isomers of C₈H₁₈in which each isomer must have at least one 4° carbon :-

The pair of structures represents;

Chain isomer

Position isomers

Conformers

Functional isomers

The IUPAC name of OHC-CH=CH–CH–CH=CH2 is

5-Vinyloct-3-en-1- al

4-Butylhexa-2, 5-dien-1-al

5-Vinyloct-5-en-8-al

3-Butylhexa-1, 4-dien-8-al.

The IUPAC name of the structure is

Screenshot 2026-04-23 at 11.33.31 AM.png

3-amino-2-formyl butane-1, 4-dioic acid

3-amino -2,3-dicarboxy propanal

2-amino -3- formyl butane -1, 4-dioic acid

1-amino -2-formyl succinic acid

How many of the following compounds are aromatic in nature ?

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Statement I is incorrect, but Statement II is correct.

Statement I is correct, but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

The correct acidity order of the following is;

III > IV > II > I

IV > III > I > II

III > II > I > IV

II > III > IV > I

Which of the following compound is aromatic in nature?

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The most stable carbocation among the following is.

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Which of the following alkenes is the most stable?

(1)

(2)

(3)

CH2=CH2

The IUPAC name of the given compound is;

1,1-Dimethylbutane-1,3-diol

4-Methylpentane-2,4-diol

2-Methylpentane-2,4-diol

1,3,3-Trimethylpropane-1,3-diol

Give the E-Z designation of the following compound

Screenshot 2026-04-23 at 1.24.38 AM.png

E-Z

E-E

has the IUPAC name;

2-sec butylbutanal

2,3-diethylbutanal

2-ethyl-3-methylpentanal

3-methyl-2-ethylpentanal

Among the following the strongest base is

C₆H₅NH₂

p-NO₂–C₆H₄NH₂

m–NO₂–C₆H₄NH₂

C₆H₅CH₂NH₂

Geometrical isomerism is not shown by;

(1)

(2)

CH2=C(Cl)CH3

CH3–CH=CH–CH=CH2

Which is most basic among the following?

CH3CH2CH2NH2

Cl–CH2CH2NH2

O2N–CH2CH2–NH2

F–CH2CH2–NH2

In following compounds the correct order of basicity is?

I > III > II

I > II > III

III > II > I

III > I > II

Identify the most stable conformer of 2-fluoroethanol among the following?

(1)

(2)

(3)

(4)

m-Dichlorobenzene and p-Dichlorobenzene are;

geometrical isomers

functional isomers

position isomers

chain isomers

The number of carbon atoms present in the principal carbon chain of the given compound are;

Which of the following compounds exhibits stereoisomerism ?

2-methylbutene-1

3-methylbutyne-1

3-methylbutanoic acid

2-methylbutanoic acid

Which of the following is the most stable carbanion :

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(i) > (ii) > (iii) > (iv)

(i) > (iv) > (iii) > (ii)

(iv) > (iii) > (i) > (ii)

(iv) > (i) > (ii) > (iii)

The correct IUPAC name of given compound is

Screenshot 2026-04-21 at 2.14.44 PM.png

3-ethanoyl oxycyclopent-4-ene carboxylic acid

2-ethanoyl oxycyclopent-2-ene carboxylic acid

4-ethanoyl oxycyclopent-3-ene carboxylic acid

4-ethanoyl oxycyclopent-2-ene carboxylic acid

Which of the following molecules is chiral?

(1)

(2)

(3)

(4)

Which of the following carbocation is least stable?

(1)

(2)

(3)

(4)

Inductive effect involves;

displacement of σ-electrons

delocalisation of π-electrons

delocalisation of σ and π-electrons

displacement of π-electrons

A, B and C

A and B

Only A

A and C

A is true but R is false.

A is false but R is true.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is NOT the correct explanation of A.

Which one is the correct order of acidity?

CH≡CH > CH3–C≡CH > CH2=CH2 > CH3–CH3

CH≡CH > CH2=CH2 > CH3–C≡CH > CH3–CH3

CH3–CH3 > CH2=CH2 > CH3–C≡CH > CH≡CH

CH2=CH2 > CH3–CH=CH2 > CH3–C≡CH > CH≡CH

The IUPAC name of CH3–CO–CH2–CH(OH)–CHO is :

5-oxo-4-hydroxy-2-pentanone

4-hydroxy-5-al-2-pentanone

2-Hydroxy-4-oxopentanal

1-Al-4-oxo-2-pentanol

Which of the following compounds is isomeric with 2,2,4,4-tetramethylhexane?

hexane

4-isopropylheptane

pentane

heptane

Total number of structural isomers possible for C3H6 are;

In which of the following compounds carbon–oxygen bond length is minimum?

CH3–OH

C6H5–CH2–OH

CH2=CH–OH

CH2=CH–CH2–OH

The I.U.P.A.C. name of compound (CH₃)₃C.CH₂CONH₂ is : –

1, 1,1- trimethyl propanamide

3, 3, 3-trimethyl propanamide

3, 3-dimethyl butanamide

3-t-butyl propanamide

Sodium carbonate extract is prepared by

Fusing soda and mixture and then extracting with water

Dissolving NaHCO3 and mixture in dil HCl

Boiling Na2CO3 and mixture, in dil. HCl

Boiling Na2CO3 and mixture, in distilled water

The functional group present in pentan-1-amide is;

–NC

–CN

–CONH2

–CH2NH2

Which of the following compound can not show geometrical isomerism?

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H – N = N – H

Which of the following compounds predominantly gives the para-nitro product as the major isomer upon nitration using a nitrating mixture (HNO₃ + H₂SO₄)?

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Screenshot 2026-04-20 at 2.36.39 AM.png .

The number of structural isomers possible with the molecular formula C₄H₁₁N is

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