Haloalkanes and Haloarenes · Chemistry · NEET
MCQ (Single Correct Answer)
The major product $$\mathrm{C}$$ in the below mentioned reaction is:
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br} \xrightarrow[\Delta]{\text { alc. } \mathrm{KOH}} \mathrm{A} \xrightarrow{\mathrm{HBr}} \mathrm{B} \xrightarrow[\Delta]{\text { aq. } \mathrm{KOH}} \mathrm{C}$$
The following reaction method
is not suitable for the preparation of the corresponding haloarene products, due to high reactivity of halogen, when X is :
The compound that will undergo SN1 reaction with the fastest rate is
Identify the major product C formed in the following reaction sequence :
$$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{I} \xrightarrow{\mathrm{NaCN}} \mathrm{A} $$
$$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Partial\,hydrolysis}^{O{H^ - }}} B\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{B{r_2}}^{NaOH}} \mathop C\limits_{(major)}}$$
Which amongst the following reactions of alkyl halides produces isonitrile as a major product?
(A) $$\mathrm{R-X+HCN\to}$$
(B) $$\mathrm{R-X+AgCN\to}$$
(C) $$\mathrm{R-X+KCN\to}$$
(D) $$\mathrm{R-X+NaCN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{{C_2}{H_5}OH}^{{H_2}O}}}$$
Choose the most appropriate answer from the options given below:
Choose the correct sequence of reagents in the conversion of 4-nitrotoluene to 2-bromotoluene.
Identify the product in the following reaction
Identify 'X' in the following reaction.
The given compound
is an example of _________.

(A) $$\beta $$-Elimination reaction
(B) Follows Zaitsev rule
(C) Dehydrohalogenation reaction
(D) Dehydration reaction

The product ‘C’ is

CH3CH2CH2Br + NaCN $$ \to $$ CH3CH2CH2CN + NaBr
This reaction will be the fastest in


The reaction will be most favourable if M happens to be

The mechanisms of reactions (i) and (ii) are respectively

the product 'X' is

C$$-$$X bond towards nucleophile in the following compounds is
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over \longrightarrow $$ R$$-$$Cl + Br$$-$$
which one of the following has the highest relative rate?

Z in the above reaction sequence is

obtained by chlorination of n-butane will be