Question

Consider the following reactions :
Reaction I :
Organic Compounds Containing Nitrogen mcq question image
Reaction II :
Organic Compounds Containing Nitrogen mcq question image
Which of the following is a correct comparison of rate of reaction?

A. $${r_I} > {r_{II}}$$  
B. $${r_I} < {r_{II}}$$
C. $${r_I} = {r_{II}}$$
D. $${\text{Reactions are not possible}}$$
Answer :   $${r_I} > {r_{II}}$$
Solution :
The reactive species is the nitrosonium ion (electrophile) and the most likely site of attack will be that with the highest electron density.
Organic Compounds Containing Nitrogen mcq solution image
Such kind of delocalisation is not found in 2, 6-dimethyl derivative due to steric inhibition of resonance.

Releted MCQ Question on
Organic Chemistry >> Organic Compounds Containing Nitrogen

Releted Question 1

The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosamine is

A. methylamine
B. ethylamine
C. diethylamine
D. triethylamine
Releted Question 2

Acetamide is treated separately with the following reagents. Which one of these would give methylamine?

A. $$PC{l_5}$$
B. $$NaOH + B{r_2}$$
C. soda lime
D. hot conc. $${H_2}S{O_4}$$
Releted Question 3

Carbylamine test is performed in alcoholic \[KOH\]  by heating a mixture of :

A. chloroform and silver powder
B. trihalogenatedmethane and a primary amine
C. an alkyl halide anda primary amine
D. an alkyl cyanide and a primary amine
Releted Question 4

The compound that is most reactive towards electrophilic nitration is :

A. toluene
B. benzene
C. benzoic acid
D. nitrobenzene

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Organic Compounds Containing Nitrogen


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