NaH is an example of:
- (A)electron rich hydride
- (B)metallic hydride
- (C)saline hydride✓ Correct
- (D)molecular hydride
Answer: (C)
Solution
Sodium is strongly electropositive, so on combining with hydrogen it surrenders its electron and hydrogen is present as the hydride ion . An ionic, salt-like hydride of this sort formed by an -block metal is called a saline hydride, and is a textbook example.
JEE Main · 2019 · 11 Jan 2019 · Shift 1 · Single correct option