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.
20 mL of sodium iodide solution gave 4.74 g silver iodide when treated with excess of silver nitrate solution. The molarity of the sodium iodide solution is _____ M. (Nearest Integer value) (Given : Na = 23, I = 127, Ag = 108, N = 14, O = 16 g mol$^{-1}$)
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