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  2. Question
  3. Chemistry
  4. A compound contains atoms of three elements A, B and C. If the oxidation number of A is + 2, B is +5 and that of C is - 2, the possible formula of the compound is

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Q. A compound contains atoms of three elements $A, B$ and $C$. If the oxidation number of $A$ is $+ 2, B$ is $+5$ and that of $C$ is $- 2$, the possible formula of the compound is

AIPMTAIPMT 2000Some Basic Concepts of Chemistry

Solution:

In $A_3(BC_4)_2 3 x$ oxidation number of $A + 2$ [oxidation number of $ B + 4 x$ oxidation number of $C$ ] = 0
$ \, \, \, \, \, \, \, \, \, 3 x (+2) + 2 [5 + 4 x (-2)] = 0$
$ \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, 6 + 2 [-31] = 0 $