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Per NCERT §9.5.2, how should the subscripts in an ionic compound formula be SIMPLIFIED?
AAlways use the original numbers
BMultiply by 2
CBy dividing by their highest common factor — to get the simplest whole-number ratio of ions
DSubscripts are never simplified
Answer & Solution
Correct answer: C. By dividing by their highest common factor — to get the simplest whole-number ratio of ions
Per NCERT §9.5.2 (iv), simplify the ratio: e.g. cross-over giving 2:4 reduces to 1:2.
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