FTS 03 Questions
The product obtained in the given reaction is: HO–⏣–CH₂OH + HCl, heat →
The given reaction is an example of: CuSO₄(aq) + Zn(s) → Cu(s) + ZnSO₄(aq)
The major product A of the given reaction is: NH₂ ⏣ + (CH₃CO)₂O pyridine → A
What are the possible products formed by oxidation of the given compound with strong oxidising agent and at elevated temperatures? R–CH₂–C≡CH → [O]
Match List I with List II. List I (Structure) A. . B. . C. . D. . List II (Type of halide) I. Vinylic halide II. Benzylic halide III. Aryl halide IV. Allylic halide Choose the correct answer from the options given below:
Given below are two statements: Statement I: Enzymes are not specific in their action. Statement II: Enzymes are required in small amounts. In the light of the above statements, choose the correct answer from the options given below:
What is value of (P + Q), where P is the n-factor of Ca(OH)₂ and Q is the n-factor of HCl?
What pressure of H₂ would be required to make the emf of hydrogen electrode zero in pure water at 25°C?
In two different reactions, involving a single reactant in each case, a plot of rate of reaction on the y-axis, versus concentration of the reactant on the x-axis, yields curved curves shown below. (I) (II) What is the possible order of the reactions
Henry’s law constant for O₂ in water at 298 K is 2.5 × 10⁴ bar. At a pressure 0.05 bar, mole fraction solubility is:
Match List-I with List-II. List-I (Cell) (A) Leclanche cell (B) Ni-Cd cell (C) Fuel cell (D) Mercury cell List-II (Use/Property/Reaction) (I) Converts energy of combustion into electrical energy (II) Does not involve any ion in solution and is used i
The electronic configuration of Au (atomic number 79) is:
Which of the following is most acidic?
Which of the following statements are incorrect? (A) The electronic configuration of Cu is [Ar]3d⁹4s². (B) The magnetic quantum number may have a negative value. (C) In the ground state, electrons fill orbitals in order of increasing energy. (D) The
Which alcohol is most reactive towards dehydration of alcohol in acidic catalyst?
Which of the following sulphides is yellow in colour?
Which one of the following oxides is acidic in nature?
Total number of stereoisomers of the following compound is:
The half-life of a first order reaction is 15 min. Initial concentration is 0.16 mol L⁻¹ and concentration after 30 min is:
Which of the following rates of a chemical reaction is certain to result in a spontaneous reaction?
The IUPAC name of the following compound is:
Which among the following is an extensive property of a system?
Consider the ground state of Mn atom (Z = 25). The numbers of electrons with azimuthal quantum numbers ℓ = 1 and ℓ = 2 are, respectively:
Among Sc, Pb, Na and Te, which element is neither a typical metal nor a nonmetal?
Hydrolysis of proteins gives amino acids in which the –NH₂ group is attached to the carbon atom:
Among SbF₅, PCl₅, BrF₅ and XeOF₄, which species show octahedral electron-pair arrangement around the central atom?
The carbohydrate unit associated with DNA is asked about through these statements: A. It is a hexose sugar B. It is present in pyranose form C. It is in “D” configuration D. It is in α-anomeric form Choose the correct answer:
Given below are two statements: Statement I: Pure aniline and other arylamines are generally colourless. Statement II: Arylamines become coloured on storage because of atmospheric oxidation. In the light of the above statements, choose the correct an
Identify the correct statements: (A) Benzenesulfonyl chloride is known as Hinsberg’s reagent. (B) Secondary and tertiary amines both give carbylamines test. (C) Tertiary amines react with benzenesulfonyl chloride very easily. Choose the correct answe
For the first four members of group-17, which property shows a regular trend down the group? (A) Electron affinity (B) First ionization energy (C) Covalent radius (D) Electronegativity
Identify A and B in the following sequence of reaction.
Identify the correct statements about p-block elements and their compounds. (A) Non-metals generally have lower electronegativity than metals. (B) Non-metals generally have high ionization enthalpy than metals. (C) Compounds formed between highly rea
The compound listed below that contain a –COOH group is:
Identify the correct statement(s): (A) –CN and –SO₃H are meta directing group. (B) Halides are activating groups. (C) Activating groups act as ortho- and para directing groups. (D) –OCH₃ and –NHCOCH₃ are activating group. (E) –CN and –OH are meta dir
The correct order of basic nature on aqueous solution for the bases NH₃, H₂N–NH₂, CH₃CH₂NH₂, (CH₃CH₂)₂NH and (CH₃CH₂)₃N is:
In the following molecule, Hybridisation of carbon a, b and c respectively are:
Amongst the compounds given, the one that would form a brilliant coloured dye on treatment with NaNO₂ in dil. HCl followed by addition to an alkaline solution of phenol is:
Metallic sodium does not react normally with:
A compound A with molar weight of 80 g is dissolved in a solvent having density of 0.4 g mol–1. Assuming no change in volume upon dissolution, the molality (in mol/kg) of a 3.2 molar solution is:
A tuning fork of 440 Hz produces 6 beats with string. Increasing tension makes 8 beats. Find original frequency.