MCQEasy1 mark
Select the correct option for each of the following questions.
If the imperial formula of a compound is CH and its vapour density is 13, then its molecular formula will be: (At. Wt. C=12, H=1)
Topic: Mole concept, gas volumes and stoichiometry
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(b) C₂H₂.
Explanation
Empirical mass CH = 13; molecular mass = 2×VD = 26; n=2.
In words
C₂H₂.
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