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JEE Advanced levelSingle correct optionDifficulty 3 of 3pn014

The products of complete hydrolysis of , and in water are, respectively,

  1. A; ;
  2. B; ;
  3. C; ;
  4. D; ;

Answer: B

In the lone pair on N is attacked by water and the N-Cl bond breaks with Cl taking the +1 state, giving and hypochlorous acid: . (P stays +3). hydrolyses to the insoluble oxychloride, , with Bi remaining +3.
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