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Sulphur exist in different allotropic forms like $S_{2}, S_{6}$ and $S_{8}$ etc. If equal moles of these three forms are taken in separate containers, then the ratio of number of atoms present in them respectively is:

(A) $1: 3: 4$

(B) $1: 1: 1$

(C) $12: 4: 3$

(D) $4: 3: 1$

Solution —

 S2 S6 S8 Mole n n n Molecule n × NA n × NA n × N​​​​​A ​​​​​​ Atoms n × NA ×2 n × NA × 6 n × NA × 8

Therefore, Ratio of atoms of S = 2 : 6 : 8 = 1 : 3 : 4

So, The correct option of this question is (A)

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