The substance used as a smoke screen in
warfare is
A.
$$SiC{l_4}$$
B.
$$P{H_3}$$
C.
$$PC{l_5}$$
D.
$${\text{acetylene}}$$
Answer :
$$SiC{l_4}$$
Solution :
Silicon chloride is easily hydrolysed to give white fumes, so it is used as a smoke screen in warfare.
$$SiC{l_4} + 4{H_2}O \to Si{\left( {OH} \right)_4} + 4HCl$$
Releted MCQ Question on Inorganic Chemistry >> P - Block Elements
Releted Question 1
The reddish brown coloured gas formed when nitric oxide is oxidised by air is