1.

Two reactions proceed at 25^(@)C at the same rate. The temperature coefficient of the rate of first reaction is 2 and that of second reaction is 2.5. The ratio of rates of these reactions at 95^(@)C is

Answer»

5.6
9.85
4.768
70

Solution :`{:(T,R_(1),R_(2)),(25^(@)C,R,R),(35^(@)C,2R,2.5R),(45^(@)C,2^(2)R,(2.5)^(2)R),(":",":",":"),(95^(@)C,2^(7)R,(2.5)^(7)R):}`
`THEREFORE(R_2)/(R_1)=((2.5)^7)/(2^7)=4.768`


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