1.

For the first order reaction : H_(2)O_(2)(aq)rarrH_(2)O(l)+(1)/(2)O_(2)(g). the half life of reaction is 30 min. If the volume of O_(@)(g) collected at a certain pressure and temperature is 100 ml after a long time from the start of reaction, then what was the volume of O_(2)(g) collected at the same pressure and temperature, after 60 min from the start of reaction?

Answer»

25 ML
75 ml
50 ml
`12.5` ml

Answer :B


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