JEE Advance - Chemistry (1994 - No. 11)
Statement (S) The alkali metals can form ionic hydrides which contain the hydride ion H-.
Explanation (E) The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.
Explanation (E) The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.
Both S and E are true and E is the correct explanation of S
Both S and E are true but E is not the correct explanation of S
S is true but E is false
S is false but E is true