How can $A$ and $B$ be differentiated?

  • A
    $NaH$
  • B
    $2,4-DNP$
  • C
    Tollen's reagent
  • D
    $NaHSO_3$

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Which of the following can be used to differentiate pentan$-2-$one and pentan$-3-$one?

In the given Cannizzaro reaction,the slowest step is:
$2PhCHO \xrightarrow{KOH} PhCH_2OH + PhCOO^-$

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The most reactive compound towards the formation of cyanohydrin on treatment with $KCN$ followed by acidification is:

Which of the following is Clemmensen reduction?

In the following reaction:
$\text{Aldehyde} + \text{Alcohol} \xrightarrow{HCl} \text{Acetal}$
$HCHO \qquad ^tBuOH$
$CH_3CHO \qquad MeOH$
The best combination for the formation of acetal is:

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