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GUJCET 2018 Chemistry Solved Paper

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Question : 10

Total: 40

At 27º C temperature, time required for 75% completion of a first order reaction is 20 seconds. What will be its rate constant?

0.693sec–1mole–1‌lt
0.0693sec–1
0.693sec–1
0.0693sec–1mole–1‌lt

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