Multiple Choice
Which compounds contain hydrogen in a negative oxidation state?
(I) H2S (II) PH4+ (III) LiAlH4 (IV) CH4 (V) CaH2
A) I, II and IV
B) II, III and IV
C) III and IV
D) III and V
E) none of these contain hydrogen in a negative oxidation state
Correct Answer:

Verified
Correct Answer:
Verified
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