Some Basic Concepts Of Chemistry Question 101

Question: One litre of a gas at STP weight 1.16 g it can possible be

Options:

A) $ C _2H _2 $

B) $ CO $

C) $ O _2 $

D) $ CH _4 $

Show Answer

Answer:

Correct Answer: A

Solution:

[a] $ \because $ 1L of gas at S.T.P. weight 1.16g

$ \therefore $ 22.4 L of gas at S.T.P. weight $ =22.4\times 1.16 $

$ =25.984\approx 26 $ This molecular weight indicates that given compound is $ C _2H _2 $ .



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