A) Methanal
B) Phenol
C) Ethanol
D) Methanol
Correct Answer: C
Solution :
Ethanol, on reaction with bleaching powder, gives chloroform (trichloromethane). \[CaOC{{l}_{2}}+{{H}_{2}}O\xrightarrow{{}}Ca{{(OH)}_{2}}+C{{l}_{2}}\] \[{{C}_{2}}{{H}_{2}}OH+C{{l}_{2}}\xrightarrow{{}}C{{H}_{3}}CHO+2HCl\] \[C{{H}_{3}}CHO+3C{{l}_{2}}\xrightarrow{{}}CC{{l}_{3}}\,.\,CHO+3HCl\] \[2CC{{l}_{3}}\,.\,CHO+\overset{Chloral}{\mathop{Ca{{(OH)}_{2}}\xrightarrow{{}}2CHC{{l}_{3}}}}\,\] \[\overset{Chlorofrom}{\mathop{+\,\,{{(HCOO)}_{2}}Ca}}\,\]
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