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The increasing order of the rate of HCN ...

The increasing order of the rate of `HCN` addition of compound a-d is
(i) `HCHO`
(ii) `CH_(3)COCH_(3)`
(iii) `PhCOCH_(3)`
(iv) `PhCOPh`

A

`DltBltCltA`

B

`DltCltBltA`

C

`CltDltBltA`

D

`AltBltCltD`

Text Solution

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The correct Answer is:
B
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