1) The correct order of reactivity of phMgBr with phCOph,ch3cho,ch3coch3 is
a)phcoph>ch3cho>ch3coch3
b)phcoph>ch3coch3>ch3cho
c)phcoph<ch3coph<ch3cho
d)phcoph<ch3cho<ch3coch3
Answers
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The correct order of reactivity of Phenylmagnesium Bromide (PhMgBr) with PhCOPh, CH₃CHO, CH₃COCH₃ is:
c) PhCOPh < CH₃COCH₃ < CH₃CHO
- CH₃CHO is the most reactive in comparison to the other two because alkyl group has +I effect and hence greater the number of alkyl attached to the carbonyl group, its reactivity decreases
- Also, as the steric crowding on the carbonyl group increases, the reactivity decreases accordingly.
Answered by
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The correct order of reactivity of Phenylmagnesium Bromide (PhMgBr) with PhCOPh, CH₃CHO, CH₃COCH₃ is:
(c) PhCOPh < CH₃COCH₃ < CH₃CHO
Explanation:
The correct order of reactivity of Phenylmagnesium Bromide (PhMgBr) with PhCOPh, CH₃CHO, CH₃COCH₃ is:
(c) PhCOPh < CH₃COCH₃ < CH₃CHO
It is because CH₃CHO is the most reactive in comparison to the other two compounds.
Greater the number of alkyl groups attached to the carbonyl group, its reactivity decreases as alkyl group has +I effect.
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