Hydrocarbons

Which of the following reagent can be used for following conversion

The product (A) formed in the following reaction sequence is :

Benzene $\stackrel{\mathrm{A}}{\to }$ $\stackrel{\mathrm{B}}{\to }$ : A and B respectively are

$\mathrm{MeC}{\mathrm{H}}_2\mathrm{C}\equiv \mathrm{CH}\stackrel{\mathrm{N}{\mathrm{H}}_3/NaN{\mathrm{H}}_2}{\to }A\stackrel{\mathrm{EtBr}}{\to }B,$

A and B are

Which of the following alkenes on ozonolysis give a mixture of ketones only?

$\mathrm{B}\underset{{\mathrm{H}}_2{\mathrm{O}}_2/O{\mathrm{H}}^{-}}{\overset{\mathrm{B}{\mathrm{H}}_3/THF}{\leftarrow }}\mathrm{C}{\mathrm{H}}_3-\mathrm{C}\equiv \mathrm{CH}\stackrel{\mathrm{HgS}{\mathrm{O}}_4/{\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4}{\to }\mathrm{A}$

A and B are

Which one of the following compounds will be most easily attacked by an electrophile ?

The product will be :

Number of α–H in alkene which is major product in this reaction is

Consider the following reaction sequence:

Choose the incorrect statement

→ 'Q'

What is 'Q' ?

Consider the following reaction sequence.

The product (A) and (B) are, respectively -

A and B respectively are

End product (D) will be

CH₃–CH(OH)–COOH $\stackrel{\text{Red P/HI}}{\to }$ B

'B' looses its optical activity because of

$\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{Br}\underset{\Delta }{\overset{alc.KOH}{\to }}A\underset{(\mathrm{ii})\mathrm{Zn},{\mathrm{H}}_2\mathrm{O}}{\overset{(\mathrm{i}){\mathrm{O}}_3}{\to }}B+C$

In the above reaction A, B and C are given by the set

The formula C_nH_{2n – 2}  shows -

Consider the following reaction sequence

Major product C is

Consider the following reactions

Which of these reactions(s) will produce Saytzeff product?

$(\mathrm{C}{\mathrm{H}}_3{)}_3\mathrm{C}-\mathrm{Br}\underset{(\mathrm{ii})\mathrm{CuI}}{\overset{(\mathrm{i})\mathrm{Li}}{\to }}A\underset{\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_2\mathrm{Br}}{\to }B$

'B' is