1.

The reaction : A rarr Bfollows first order kinetics . The time taken for 0.8 mol of A to produce 0.6 mol of B is 1 hour . What is the time taken for conversion of 0.9 mol of A to produce 0.675 molof B ?

Answer»

1 HOUR
0.5 hour
0.25 hour
2 hours

Solution :(A) The FRACTION of A reacted in each case is
same `i.e (0.6)/(0.8) = (3)/(4) ` and `(0.675)/(0.90) = (3)/(4)`
`:.` Time taken is same .


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