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Question
Q111) A compound contains atoms of three elements in A,B and C. If oxidation number of A is +2, B is +5 and that of C is -2, the possible formula of the compound is




SOLUTION

total oxidation number should become zero
for option (a)
A=3×(+2)=+6
B==2 × (+5)=+10
C=2×4×(-2)=-16
Total of above is zero; option (a) is correct
Answer: (a)