Question
Chemistry Question on p -Block Elements
Phosphine is prepared by the action of
A
P and H2SO4
B
P and NaOH
C
P and H2S
D
P and HNO3
Answer
P and NaOH
Explanation
Solution
White PhosphorusP4 +Causic soda3NaOH +3H2O→ PhosphinePH3 +Sod. hypophosphite3NaH2PO2