Hydrocarbons PYQs - Last 10 Years

In the following reaction sequence, the product Y is
$$ \mathrm{Br}\left(\mathrm{CH}_2\right)_{12}-\mathrm{C} \equiv \mathrm{CH} \xrightarrow{\mathrm{NaNH}_2} \mathrm{X} \xrightarrow[\text { catalyst }]{\mathrm{H}_2, \text { Lindler }} \ma...

\(\mathrm{RO}-\mathrm{CH}_2-\mathrm{C} \equiv \mathrm{CH} \xrightarrow{\mathrm{X}} \xrightarrow{\mathrm{Y}} \mathrm{RO}^{-} \mathrm{CH}_2-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}_2 \mathrm{CH}_2-\mathrm{Br}\)

To carry out the above conve...

Which of the following hydrocarbons reacts easily with $\mathrm{MeMgBr}$ to give methane?

An optically active alkene having molecular formula $\mathrm{C}_8 \mathrm{H}_{16}$ gives acetone as one of the products on ozonolysis. The structure of the alkene is

The compounds A and B are respectively

\(\mathrm{Q}\) and \(\mathrm{R}\) in the above reaction sequences are respectively

The decreasing order of reactivity of the following alkenes towards \(\mathrm{HBr}\) addition is

Which of the following statements about the \(\mathrm{S}_{\mathrm{N}} 2\) reaction mechanism is/are true?

'\(\underline G\)' in the above sequence of reactions is

Structure of M is,

The major product of the following reaction is
\({F_3}C - CH = C{H_2} + HBr \to\)

The exact order of boiling points of the compounds n-pentane, isopentane, butanone and 1-butanol is

The total number of alkyl bromides (including stereoisomers) formed in the reaction \(M{e_3}C - CH = C{H_2} + HBr \to\) will be

Which of the following reactions give(s) a meso-compound as the main product?

\(Me - C \equiv C - Me\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{EtOH, - 33^\circ C}^{Na/N{H_3}(liq.)}} \underline{\underline X} \,\buildrel {dil.alkaline\,KMn{O_4}} \over \longrightarrow \,\text{Product(s)}\)The product(s) from th...

CH3 \(-\) C \(\equiv\) C MgBr can be prepared by the reaction of

The isomerisation of 1-butyne to 2-butyne can be achieved by treatment with