Question
Which of the following is obtained when dihydrogen reacts with the alkali metals at high temperature?
MHT CET
Chemistry
Hydrogen
2026
MHT CET 2026 (11 April Shift 1)
MHT CET Chemistry Question (2026) — Solution
Options
- A. Alkoxides
- B. Metal hydrides
- C. Peroxides
- D. Metal nitrites
Answer
B. Metal hydrides
Step-by-step solution
Alkali metals react with dihydrogen at high temperatures to form the corresponding metal hydrides. 2M + H_2 2M^ + H^ - where M represents an alkali metal (Li, Na, K, Rb, Cs). These hydrides are ionic (salt-like) in nature. Answer: Metal hydrides
Related: Chemistry — Hydrogen · All PYQ Banks