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  • An organic compound contains C, H and S. The minimum molecular weight of the compound containing 8% sulphur is : (atomic weight of S = 32 amu)Option: 1</s

An organic compound contains C, H and S. The minimum molecular weight of the compound containing 8% sulphur is :
(atomic weight of S = 32 amu)

Option: 1

200 g mol−1


Option: 2

400 g mol−1


Option: 3

600 g mol−1


Option: 4

300 g mol−1


Answers (1)

best_answer

As we have learnt,

For minimum molar mass, there must be atleast one atom of Sulphur in the molecule.

Now, 8g of S is present in 100g of compound.
Thus, 32g of S will be present in = (32 x 100) / 8
                                               = 400g

Therefore, minimum molecular weight of compound = 400gmol−1

Therefore, Option(2) is correct

Posted by

shivangi.bhatnagar

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