A) Calcium superphosphite
B) Calcium phosphide
C) Potassium phosphide
D) Calcium hypophosphide
Correct Answer: B
Solution :
\[C{{a}_{3}}{{P}_{2}}+6{{H}_{2}}O\,\to \,3Ca{{(OH)}_{2}}+2P{{H}_{3}}\] \[{{K}_{3}}P+3{{H}_{2}}O\,\to \,3KOH+P{{H}_{3}}\]
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