Question

At a certain temperature, bromine and nitric oxide react to form nitrosyl bromide:
Br2(g) + 2 NO(g) 2 NOBr(g). When 0.010 mol Br2 is mixed with 0.025 mol NO and 0.015 mol NOBr in a 2.50 L flask, the concentration of NOBr decreases. Which statement below is true?
A) Kc < 36
B) Kc > 36
C) Kc < 90
D) Kc > 90

Answer

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