Which of the following is not correctly matched?

  • A
    $C_6H_5-COCl \xrightarrow[BaSO_4]{H_2 + Pd}$ (Rosenmund's reduction)
  • B
    $C_6H_5-CHO \xrightarrow{50\% KOH}$ (Cannizzaro's reaction)
  • C
    $C_6H_5-CH_3 \xrightarrow[(2) H_2O/H^{+}]{(1) CrO_3 \text{ in } (Ac)_2O}$ (Etard reaction)
  • D
    $C_6H_5-NH_2 + CHCl_3 \xrightarrow{KOH}$ (Hofmann's carbylamine reaction)

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In the following sequence of reactions:
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the product $C$ is:

$Ph - C \equiv C - CH_3 \xrightarrow{Hg^{2+}/H^+} A$. What is $A$?

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Which one of the following reactions will not form acetaldehyde?

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