Chemistry · Group 13 to Group 18 Elements

Compound ,(B) \) and \) will be respectively:

\( \boldsymbol{A}+\boldsymbol{H}_{2} \boldsymbol{O} \rightarrow \boldsymbol{B}+\boldsymbol{H} \boldsymbol{C l} \) \( \boldsymbol{B}+\boldsymbol{H}_{2} \boldsymbol{O} \rightarrow \boldsymbol{C}+\boldsymbol{H} \boldsymbol{C l} \) Compound \( (A),(B) \) and \( (C) \) will be respectively:

  • A. \( P C l_{5}, P O C l_{3}, H_{3} P O_{3} \)
  • B. \( P C l_{5}, P O C l_{3}, H_{3} P O_{4} \)
  • C. \( \operatorname{sOCl}_{2}, \operatorname{POCl}_{3}, H_{3} P O_{3} \)
  • D. \( P C l_{3}, P O C l_{3}, H_{3} P O_{4} \)

Step-by-step solution

The reactions describe the stepwise hydrolysis of phosphorus pentachloride. First, PCl5 reacts with water to form POCl3 and HCl. Then, POCl3 further hydrolyzes to H3PO4 and HCl. Thus, A = PCl5, B = POCl3, C = H3PO4.
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