Statement 1 : The alkali metals can form ionic hydrides which contain the hydride ion $H^{-}$
Statement 2 : The alkali metals have low electronegativity, can form ionic hydrides, conduct electricity when fused and liberate hydrogen at the anode

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Statement -1 is true, statement -2 is true; statement -2 is the correct explanation for statement -1.

Statement -1 is true, statement -2 is true; statement -2 is NOT the correct explanation for statement -1.

Statement -1 is true, statement -2 is false.

Statement -1 is false, Statement -2 is true.

answer is A.

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Detailed Solution

Alkali metal hydrides are ionic hydrides due to more difference in electronegativity. So their fused hydrides can conduct electricity due to movement if ions in liquid state.

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