Chemistry-Balancing Redox Reactions
NEET Chemistry Balancing Redox Reactions MCQ Question
Type: MCQ-numerical-Medium-Class 11
In the reaction 2Na(s) + H2(g) → 2NaH(s), what is the change in oxidation state of hydrogen?
A
0 to -1
B
0 to +1
C
-1 to 0
D
+1 to 0
Correct Answer
Option A
Detailed Explanation
In the given redox reaction, hydrogen is reduced as its oxidation state changes from 0 in H2 to -1 in NaH, as hydrogen gains an electron.
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