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.



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