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Chemistry
The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds :
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Q. The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds :
AIPMT
AIPMT 2011
Aldehydes Ketones and Carboxylic Acids
A
I > II > III
58%
B
III > II > I
21%
C
II > I > III
14%
D
I > III > II
8%
Solution:
N.A. $R \Rightarrow $ ⊕ Charge on $Sp^2$
carbon $\propto \frac{-M}{+M} \propto \frac{-I}{+I}$