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Consider the following reactions : I :...

Consider the following reactions :
I :
II. `(CH_(3))_(2)underset(OH)underset(|)C-CH_(2)-CHOoverset(Delta)rarr `
III. `(CH_3)_(2)CHCH_(2)-underset(F)underset(|)(CH)-CH_(3)overset(CH_(3)O^(-)Na^(+))underset(Delta)rarr`
IV. `(CH_3)_(2)CH-underset(Br)underset(|)CH-CH_(3)overset((CH_3)_(3)CO^(-)K^(+))rarr`
Which of these reaction(s) will not produce Hoffmann product ?

A

I and II

B

I only

C

II only

D

II and III

Text Solution

Verified by Experts

The correct Answer is:
C

II. `(CH_(3))_(2)underset(OH)underset(|)C-CH_(2)-CHO underset("Elcb")overset(Delta)to underset(("saytzeff elimination"))((CH_(3))_(2)C=CH-CHO)`
III. `(CH_(3))_(2)CHCH_(2)-underset(F)underset(|)CH-CH_(3)underset(Delta)overset(CH_(3)O^(-)Na^(+))to underset(("Hoffmann elimination"))((CH_(3))_(2)CHCH_(2)-CH=CH_(2))`
IV. `(CH_(3))_(2)CH-underset(Br)underset(|)CH-CH_(3)overset((CH_(3))_(3)CO^(-)K^(+))to underset(("Hoffmann elimination"))((CH_(3))_(2)CH-CH=CH_(2))`
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