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Q.

The decomposition of NH3 on platinum surface is zero order reaction. If rate constant (k) is 4.10–3 

Ms-1, how long will it take to reduce the initial concentration of NH3 from 0.1 M to 0.064 M.

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Detailed Solution

The time required can be calculated from the following:
t=[R]0−[R]tk=[0.1−0.064]4×10−3=9s
It will take 9s to reduce the initial concentration of NH3 from 0.1 M to 0.064 M.

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