Complete combustion of 0.858 g of compound X gives 2.63 g of CO₂ and 1.28 g of H₂O. The lowest molecular mass X can have [Kerala MEE 2000]

Question: Complete combustion of 0.858 g of compound X gives 2.63 g of CO₂ and 1.28 g of H₂O. The lowest molecular mass X can have [Kerala MEE 2000]

(a) 43 g

(b) 86 g

(c) 129 g

(d) 172 g

Correct Answer: (a) 43 g

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