Organic Chemistry Basics - Result Question 168
19. If two compounds have the same empirical formula but different molecular formulae, they must have
(1987, 1M)
(a) different percentage composition
(b) different molecular weight
(c) same velocity
(d) same vapour density
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Answer:
Correct Answer: 19. (b)
Solution:
Compounds with same empirical formula but different molecular formula have same percentage composition of elements but different molecular weight.