Statement $I$: Aldehyde on reaction with $HCN$ gives Cyanohydrin.
Statement $II$: Cyanohydrin is a compound which consists of hydroxy and cyano groups on the same carbon.
Choose the correct answer from the following with reference to above statements.

  • A
    Both statements $I$ and $II$ are false
  • B
    Both statements $I$ and $II$ are true
  • C
    Statement $I$ is true and Statement $II$ is false
  • D
    Statement $I$ is false and Statement $II$ is true

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Arrange the following compounds in increasing order of their reactivity towards $HCN$:
$I$. Acetaldehyde
$II$. Acetone
$III$. Di-tert-butyl ketone
$IV$. Methyl-tert-butyl ketone

What are the products formed when $(i)$ $HCHO$,$(ii)$ $CH_3CHO$,and $(iii)$ $CH_3COCH_3$ are reacted with $CH_3MgBr$ followed by hydrolysis?

The correct order of reactivity of $PhMgBr$ with:
$(I)$ $Ph-CO-Ph$
$(II)$ $CH_3-CHO$
$(III)$ $CH_3-CO-CH_3$
is:

The major product formed in the following reaction is:

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