Some Basic Concepts Of Chemistry Question 292

Question: The empirical formula of a compound is $ CH _2O. $ 0.0835 moles of the compound contains 1.0 g of hydrogen. Molecular formula of the compound is

Options:

A) $ C _2H _{12}O _6 $

B) $ C _5H _{10}O _5 $

C) $ C _4H _8O _8 $

D) $ C _3H _6O _3 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ \because $ 0.0835 mole of compound contains 1gm of hydrogen

$ \therefore $ 1gm mole of compound contain = $ \frac{1}{0.0835}=11.97 $

=12gm of hydrogen. 12 gm of $ H _2 $ is present in $ C _2H _{12}O _6 $



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