Some Basic Concepts Of Chemistry Question 291

Question: A compound (80 g) on analysis gave C = 24 g, H = 4 g, O = 32 g. Its empirical formula is [CPMT 1981]

Options:

A) $ C _2H _2O _2 $

B) $ C _2H _2O $

C) $ CH _2O _2 $

D) $ CH _2O $

Show Answer

Answer:

Correct Answer: D

Solution:

$ C=24gm $ , $ H=4gm $ , $ O=32gm $

So, Molecular formula $ =C _2H _4O _2 $

So, Empirical formula $ =CH _2O $

(Simplest formula).



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