Question

solve my above question​

Answer 1

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sodium reacts with hydrogen to form sodium hydride which is a crystalline ionic solid.

2Na + H2 ---------) 2NaH

it reacts with water to produce H2 gas

2NaH + 2H2O ----) 2NaOH +H2

Although N A + H - does not conduct electricity in the solid state but electrolysis of its melt give H2 gas at anode and Na at cathode.

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Answer 2

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Refer the attachment.