Some Basic Concepts Of Chemistry Question 266
Question: $ 12g $ of $ Mg $ (at. mass 24) will react completely with acid to give [MNR 1985]
Options:
A) One mole of $ H _2 $
B) 1/2 mole of $ H _2 $
C) 2/3 mole of $ O _2 $
D) Both 1/2 mol of $ H _2 $ and 1/2 mol of $ O _2 $
Show Answer
Answer:
Correct Answer: B
Solution:
$ M{g^{+2}}\equiv H _2 $
$ n=\frac{12gm}{24gm}=\frac{1}{2} $ mole of $ H _2 $
