Question
Question: In which of the following compounds does hydrogen have an oxidation state of – 1 ?...
In which of the following compounds does hydrogen have an oxidation state of – 1 ?
A
PH3
B
NH3
C
HCl
D
CaH2
Answer
CaH2
Explanation
Solution
In CaH2 H has oxidation state (–1) [+ 2 + 2x = 0, x = – 1]