Some Basic Concepts Of Chemistry Question 166

Question: 7.5 grams of a gas occupy 5.8 litres of volume at STP the gas is

Options:

A) $ NO $

B) $ N _2O $

C) $ CO $

D) $ CO _2 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ \because $ 5.8L of gas has mass $ =7.5gm $

$ \therefore $ 22.4L " " " = $ \frac{7.5}{5.8}\times 22.4=28.96 $

So molecular weight = 29 So, molecular formula of compound is NO



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