Some Basic Concepts Of Chemistry Question 23
Question: The amount of zinc required to produce 224 mL of $ H _2 $ at STP on treatment with dil. $ H _2SO _4 $ will be
Options:
A) 6.5 g
B) 0.65 g
C) 65 g
D) 0.065g
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ Zn+H _2SO _4\xrightarrow{{}}ZnSO _4+H _2 $ 65 g Zn gives 1 mole of $ H _2=22400mL $ of $ H _2=224mL $ of $ H _2 $ will be obtained from 0.65 g Zn.
