A chalcogen combines directly with hydrogen with great difficulty to form a hydride. This chalcogen also burns in air to form a solid polymeric dioxide and has got the highest electrical resistance amongst metals. The chalcogen is
A. O
B. S
C. Te
D. Se
A. O
B. S
C. Te
D. Se
Correct Answer – C
Out of these four chalcogens, Se and Te reacts with hydrogen directly with great difficulty. Since Te has got the highest electrical resistance. Hence the metal is Te.