Q.

For the following reactions:

(A) CH3CH2CH2Br+KOHCH3CH=CH2+KBr+H2O

(B)

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(C)

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Which of the following statement is correct?

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a

(A) is substitution, (B) and (C)  are addition reactions. 

b

(A) is elimination, (B)and (C) are substitution reactions.

c

(A) and (B) are elimination reactions and (C) is addition reaction.

d

(A) is elimination, (B) is substitution and (C) is addition reaction.

answer is D.

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Detailed Solution

CH3CH2CH2Br+KOHCH3CH=CH2+KBr+H2O 

Saturated compound is converted into unsaturated compound by removal of group of atoms hence, it is an elimination reaction.

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- Br group is replaced by-OH group hence, it is a substitution reaction.

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Addition of Br2 converts an unsaturated compound into a saturated compound hence, it is an addition reaction.

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