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 $
