Question

Which of the following statements is incorrect regarding dehydrohalogenation of alkenes ?

A. During the reaction hydrogen atom is eliminated from the $$\beta {\text{ - }}$$ carbon atom.
B. Rate of reaction for same alkyl group; Iodine > Bromine > Chlorine
C. Rate of reaction; $${\left( {C{H_3}} \right)_3}C - > {\left( {C{H_3}} \right)_2}CH - > C{H_3}C{H_2} - $$
D. Only nature of halogen atom determine rate of the reaction.  
Answer :   Only nature of halogen atom determine rate of the reaction.
Solution :
Nature of halogen atom and the alkyl group both determine rate of reaction.

Releted MCQ Question on
Organic Chemistry >> Hydrocarbons (Alkane, Alkene and Alkyne)

Releted Question 1

Marsh gas mainly contains

A. $${C_2}{H_2}$$
B. $$C{H_4}$$
C. $${H_2}S$$
D. $$CO$$
View Answer
Releted Question 2

Which of the following decolourises alkaline $$KMn{O_4}$$

A. $${C_3}{H_8}$$
B. $${C_2}{H_4}$$
C. $$C{H_4}$$
D. $$CC{l_4}$$
View Answer
Releted Question 3

The compound with the highest boiling point is

A. $$n $$ - hexane
B. $$n $$ - pentane
C. 2, 2 - dimethylpropane
D. 2 - methylbutane
View Answer
Releted Question 4

The maximum number of isomers for an alkene with the molecular formula $${C_4}{H_8}$$  is

A. 2
B. 3
C. 4
D. 5
View Answer

Practice More Releted MCQ Question on
Hydrocarbons (Alkane, Alkene and Alkyne)

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