Question

23. Phosphine (PH2) decomposes to produce vapours of
phosphorus and H, gas. What will be the change in
volume when 100 mL of phosphine is decomposed?
4PH2(g) —P.(g) + 6H2(g)
(A) + 50 mL
(B) 500 mL
(C) + 75 mL
(D) - 500 ml​

Answer 1

(A) + 50 mL is the correct answer

Answer 2

Answer:

it's (C) +75 mL ¯\_(ಠ_ಠ)_/¯.