Some Basic Concepts Of Chemistry Question 115
Question: What will be the volume of $ CO _2 $ at NTP obtained on heating 10 grams of (90% pure) limestone
Options:
A) 22.4 litre
B) 2.016 litre
C) 2.24 litre
D) 20.16 litre
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ \underset{10gm}{\mathop{CaCO _3}},\to CaO+CO _2 $ 90% pure 9gm $ =\frac{9}{100} $ mole $ CaCO _3\equiv CO _2=0.09 $ mole At NTP Vol. $ CO _2=0.09\times 22.4=2.016L $ .
