Q. P_{4}+3NaOH+3H_{2}O⟶A+3NaH_{2}PO_{2} here A is
A) NH_{3}
B) PH_{3}
C) H_{3}PO_{4}
D) H_{3}PO_{3}
Explanation
(b)
This is the laboratory method of preparing phosphine gas.
P_{4}+3NaOH+3H_{2}O⟶ PH_{3}+3NaH_{2}PO_{2}
phosphine
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.