Level 1

An alkyl chloride produces a single alkene when it reacts with sodium ethoxide and ethanol. This alkene on hydrogenation produces $2-\text{Methylbutane}$. What is the identity of the alkyl halide?

The synthesis of alkyl fluorides is best accomplished by

An example of a sigma bonded organometallic compound is ____.

In the following sequence of reaction:

${\text{CH}}_{\text{3}}{\text{ - CH}}_{\text{2}}{\text{-CH}}_{\text{2}}\text{-Br}\stackrel{\text{Alc. KOH}}{\to }\text{(A) }\stackrel{\text{HBr}}{\to }\text{ (B)}\stackrel{\text{aq. KOH}}{\to }\text{ (C)}$

The product $\text{'}\mathrm{C}\text{'}$ is _______.

In the following sequence of reaction$:$

${\mathrm{CH}}_{\mathrm{3}}-{\mathrm{CH}}_{\mathrm{2}}-{\mathrm{CH}}_{\mathrm{2}}-\mathrm{I} \stackrel{\mathrm{Alc}. \mathrm{KOH}}{\to } \left(\mathrm{A}\right) \stackrel{{\mathrm{Br}}_{\mathrm{2}}}{\to } \left(\mathrm{B}\right) \stackrel{{\mathrm{NaNH}}_{\mathrm{2}}/{\mathrm{NH}}_{\mathrm{3}}}{\to } \left(\mathrm{C}\right)$

The product $\text{'}\mathrm{C}\text{'}$ is:

The decreasing order of reactivity of the following compounds in ${\text{S}}_{\text{N}}\text{1}$ reactions is ______.

$$\begin{gathered} {\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{CH}}_{\text{2}}{\text{Br C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{CH(C}}_{\text{6}}{\text{H}}_{\text{5}}\text{)Br} \\ \text{(i) (ii)} \\ {\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{CH(CH}}_{\text{3}}{\text{)Br C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{C(CH}}_{\text{3}}{\text{) (C}}_{\text{6}}{\text{H}}_{\text{5}}\text{)Br} \\ \text{(iii) (iv)} \end{gathered}$$

Which of the following undergoes nucleophilic substitution by ${\mathrm{S}}_{\mathrm{N}}1$ mechanism?

The nitration of will give _______.