White phosphorus on reaction with lime water gives calcium salt of an acid(A) along with a gas (X).
Which of the following statement is correct for gas (X) ?
(I) (A) on heating gives gas (X).
(II) (X) is more basic than ammonia.
(III) (X) is a poisonous gas and possess smell of rotten fish.
(IV) The solution of (X) in water decomposes in presence of light giving red phosphorus and `H_(2)`
Correct code is :

Options

A. I,II,III,IV
B. I,II,IV
C. I,III,IV
D. III,IV

Answer

B

Explanation

`n=(q_(2)+q_(1))/(q_(2))=(200-40)/(200)=0.8`