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Grade: 12

                        

The half life period of a first order reaction is 20 minutes. The time required for the concentration of the reactant to change from 0.16M to 0.2M is: (1)80 min (2)60 min (3)40 min (4)20 min

2 years ago

Answers : (1)

Harsh
16 Points
							Option (2)Concenteration is reduced to one eighth of the initial value so time required will be 3t1/2 =60mins
						
2 years ago
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