AIEEE 2003 | Chemical Kinetics and Nuclear Chemistry Question 162 | Chemistry

The rate law for a reaction between the substances A and B is given by Rate = k[A]ⁿ [B]^m On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as

(m + n)

(n - m)

2^{( n - m)}

$${1 \over {{2^{(m + n)}}}}$$

AIEEE 2003

MCQ (Single Correct Answer)

-1

For the reaction system:

2NO(g) + O₂(g) $$\to$$ 2NO₂(g) volume is suddenly reduce to half its value by increasing the pressure on it. If the reaction is of first order with respect to O₂ and second order with respect to NO, the rate of reaction will

diminish to one-eighth of its initial value

increase to eight times of its initial value

increase to four times of its initial value

diminish to one-fourth of its initial value

AIEEE 2003

MCQ (Single Correct Answer)

-1

The radionucleide $${}_{90}^{234}Th$$ undergoes two successive $$\beta$$ -decays followed by one $$\alpha$$-decay. The atomic number and the mass number respectively of the resulting radionucleide are

94 and 230

90 and 230

92 and 230

92 and 234

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