White phosphorus reacts with calcium to give a certain compound. This compound on hydrolysis produces

Calcium when reacts with white phosphorus, it results in the synthesis of Ca3P2. This compound on hydrolysis produces phosphine or PH3. This reaction is known to take place at a temperature 40 50oC . The reaction is shown below- 4 3 2 40 50 3 2 2 2 3 6 2 6 3 ( ) 2 o C Ca P Ca P Ca P H O Ca OH PH -> -> Thus, the correct option is (b)