Question

If a metal ‘M’ forms an oxide ‘MO’, then what will be the formula of its nitride and bicarbonate.

Answer 1

Answer:

formula of nitride = M₃N₂

formula of bicarbonate = M(HCO₃)₂

Explanation:

here, If the metal forms oxide MO then its valency is 2.

∵ nitride valency is -3

so, by criss cross method

     M       N

     2        3

∴ formula = M₃N₂

now, valency of bicarbonate is -1

so, by criss cross method

      M       HCO₃

      2           1

∴ formula = M(HCO₃)₂

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