Question

In the reaction
X + Y + Z ----- products
The time taken for 75% consumption of Y is 1.5 times of that required for its 50% consumption. When simultaneously concentration of both X and Z are doubled, rate of reaction becomes four times. The time taken for 50% consumption of Z becomes half if initial amount of Z is doubled. Overall order of reaction is:

Answer 1

Answer:

Correct option is

D

1

Overall order reaction can be decided by the data given t

75%

=2t

50%

.

It is a first-order reaction with respect to P.

From graph [Q] is linearly decreasing with time, i.e. order of reaction with respect to Q is zero and the rate expression is r=k[P]

1

[Q]

0

.

Hence, (D) is correct.

Explanation:

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