Q. Which phosphorus reacts with KOH solution to produce phosphine gas?
A) White phosphorus
B) Red phosphorus
C) Both a and b
D) None of these
Explanation
(a)
White phosphorous on heating with aqueous solution of KOH produce phosphine ($PH_{3})$gas
P_{4} + 3KOH + 3H_{2}O⟶ 3KH_{2}PO_{2} + PH_{3}
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.