Hydrogen And Its Compounds Question 57
Question: In which of the compounds does hydrogen have an oxidation state of -1
Options:
A) $ CH_4 $
B) $ NH_3 $
C) HCl
D) $ CaH_2 $
Show Answer
Answer:
Correct Answer: D
Solution:
$ \overset{+2}{\mathop{Ca}}\overset{x}{\mathop{H_2}} $ i.e., $ 2+2x=0 $ , $ x=-1 $
$ 2x=-2 $ or $ x=\frac{-2}{2}=-1 $