Assertion: The alkali metals can form ionic hydrides which contain the hydride ion H -. Reason :The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.

Question

Assertion: The alkali metals can form ionic hydrides which contain the hydride ion H -. Reason :The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode. (A) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. (B) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. (C) If the Assertion is correct but Reason is incorrect. (D) If the Assertion is incorrect and Reason is correct.

Tardigrade Admin · Accepted Answer

Correct answer is (a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

Q. Assertion : The alkali metals can form ionic hydrides which contain the hydride ion H−. Reason :The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If the Assertion is incorrect and Reason is correct.

Correct answer is (a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

Q. Assertion : The alkali metals can form ionic hydrides which contain the hydride ion $H^{-}$ .
Reason :The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.