MCQ
Electrolysis of aqueous $HCl$ solution produces
  • A
    ${H_2}$ gas at the anode
  • ${H_2}$ gas at the cathode
  • C
    $C{l_2}$ gas at the cathode
  • D
    $C{l_2}$ and ${O_2}$ gases both at the anode

Answer

Correct option: B.
${H_2}$ gas at the cathode
b
(b)$2{H^ + } + 2{e^ - } \to {H_{2(g)}}$ at cathode.

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$Image$

$2.$ The structures of the products ${Q}$ and ${R}$, respectively, are

$Image$

$3.$ The structure of the product ${S}$ is

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In the reaction ${C_6}{H_5}CHO + {C_6}{H_5}N{H_2} \to $${C_6}{H_5}N = HC{C_6}{H_5} + {H_2}O,$ the compound ${C_6}{H_5}N = CH{C_6}{H_5}$ is known as