A) \[MC{{O}_{3}}\]
B) \[{{M}_{2}}{{\left( C{{O}_{3}} \right)}_{3}}\]
C) \[{{M}_{2}}C{{O}_{3}}\]
D) \[M{{\left( C{{O}_{3}} \right)}_{2}}\]
Correct Answer: B
Solution :
As the molecular formula of chloride of a metal M is \[MC{{l}_{3}}\], it is trivalent so formula of its carbonate will be \[{{M}_{2}}{{(C{{O}_{3}})}_{3}}\].
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