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Assertion (A): Alkali metals can form io...

Assertion (A): Alkali metals can form ionic hydrides which contain hydride ion, H.
Reason (R ): The alkali metals have low EN. Their hydrides conduct electricity, when fused and liberate hydrogen at the anode.

A

Statement-I is True, Statement-II is True and Statement-II is a correct explanation for statement-I

B

Statement-I is True, Statement-II is True and Statement-II is NOT a correct explanation for Statement-I

C

Statement-I is True, Statement-II is False

D

Statement-I is False, Statement-II is True

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Assertion (A): Alkali metals form ionic hydrides which contain hydride ion. Reason (R ): The alkali metals have low EN. Their hydrides conduct electricity, when fused and liberate hydrogen at the anode.

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

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Assertion (A) : Alkali metals form ionic hydrides. Reason (R) : Alkali metals lose their valence electron which is accepted by hydrogen to form hydride ion.

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Assertion (A): Alkali metals are strong reducing agents. Reason (R ): They have only one electron to be lost form their valence shells.

Assertion (A): Caesium metal when dissolved in liquid amtmonia forms a blue-coloured solution. Reason(R ): The blue solution is a good conductor of electricity.

Except for lithium, alkali metals form their hydrides at what temperature.

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Assertion (A): s- block elements can form ionic hydrides. Which on electrolysis in fused state give H_(2) gas at cathode. Reason (R) : s-block elements have low IE and low EN as compared to p-block elements.

VMC MODULES ENGLISH-13-14 HYDROGEN & S-BLOCK ELEMENT-JEE Advanced Archive
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