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Two elements A and B have similar chemical properties. They don't form solid hydrogen carbonates but react with nitrogen to form nitrides.

Chemistry

Last Post by nikhil04 5 years ago

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17/09/2020 11:36 am

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aditi07

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Two elements A and B have similar chemical properties. They don't form solid hydrogen carbonates but react with nitrogen to form nitrides. A and B, respectively, are :

(1) Li and Mg

(2) Na and Ca

(3) Na and Rb

(4) Cs and Ba

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17/09/2020 11:41 am

nikhil04

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Correct answer: (1) Li and Mg

Explanation:

Li and Mg do not form solid bicarbonate. But react with N₂ to give nitrides.

6Li + ΔN₂ → 2Li₃N

3Mg + N₂ + Δ → Mg₃N₂

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Two elements A and B have similar chemical properties. They don't form solid hydrogen carbonates but react with nitrogen to form nitrides.

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