The correct answer is (C) :
moles relative ratio simplest ratio
C 52.2 = 52.2 / 12 = 4.35 → 8.7
H 4.9 = 4.9 / 1 = 4.9 → 9.8
Br 42.9 = 42.9 / 80 = 0.5 → 1
C8H9Br
A is optically active
B forms para bromo benzoic acid on reaction with KMnO4.
Let one focus of the hyperbola $ \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 $ be at $ (\sqrt{10}, 0) $, and the corresponding directrix be $ x = \frac{\sqrt{10}}{2} $. If $ e $ and $ l $ are the eccentricity and the latus rectum respectively, then $ 9(e^2 + l) $ is equal to:
The largest $ n \in \mathbb{N} $ such that $ 3^n $ divides 50! is:
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