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CHXII04:CHEMICAL KINETICS

320180 During the kinetic study of the reaction $2 A + B \to C + D$ following results were obtained.
On the basis of above data which one is correct ?
supporting img

1

r = k [A]^{2} {[B]}^{2}

2

r = k [A] [B]^{2}

3

r = k [A]^{2} [B]

4

r = k [A] [B]

Explanation:

$r = K [A]^{m} {[B]}^{n}$

KCET - 2021

CHXII04:CHEMICAL KINETICS

320181 Assertion :
Rate of reaction can be expressed as rate of change in partial pressure of the gaseous reactants or product
Reason :
Partial pressure of a gas is equal to its concentration.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXII04:CHEMICAL KINETICS

320182 For a chemical reaction $A + B \to$ Product, the order is 1 with respect to A and B .
supporting img

What are the values of x and y ?

1 80 and 2

2 40 and 4

3 80 and 4

4 160 and 4

Explanation:

$r = k [A]^{1} [B]^{1}$
$0.1 = k \times 20 \times 0.5$ (1)
$0.4 = k \times x \times 0.5$ (2)
and $0.8 = k \times 40 \times y$ (3)
eq.(2) $\div$ eq (1), $x = 20 \times 4 = 80$
eq.(3) $\div$ eq (1), $8 = 4 y$ or, $y = 2$

JEE - 2023

CHXII04:CHEMICAL KINETICS

320183 On increasing the pressure three fold, the rate of reaction of $2 H_{2} S + O_{2} \to$ products, would increase

1 3 times

2 9 times

3 12 times

4 27 times

Explanation:

$2 H_{2} S + O_{2} \to$ products
Rate ${= p}_{H_{2} s}^{2} \cdot p_{O_{2}}$
$= {[3 p_{H_{2} S}]}^{2} (3 p_{2}) = 27 [p_{H_{2} S}] (p_{O_{2}})$

CHXII04:CHEMICAL KINETICS

320180 During the kinetic study of the reaction $2 A + B \to C + D$ following results were obtained.
On the basis of above data which one is correct ?
supporting img

1

r = k [A]^{2} {[B]}^{2}

2

r = k [A] [B]^{2}

3

r = k [A]^{2} [B]

4

r = k [A] [B]

Explanation:

$r = K [A]^{m} {[B]}^{n}$

KCET - 2021

CHXII04:CHEMICAL KINETICS

320181 Assertion :
Rate of reaction can be expressed as rate of change in partial pressure of the gaseous reactants or product
Reason :
Partial pressure of a gas is equal to its concentration.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXII04:CHEMICAL KINETICS

320182 For a chemical reaction $A + B \to$ Product, the order is 1 with respect to A and B .
supporting img

What are the values of x and y ?

1 80 and 2

2 40 and 4

3 80 and 4

4 160 and 4

Explanation:

$r = k [A]^{1} [B]^{1}$
$0.1 = k \times 20 \times 0.5$ (1)
$0.4 = k \times x \times 0.5$ (2)
and $0.8 = k \times 40 \times y$ (3)
eq.(2) $\div$ eq (1), $x = 20 \times 4 = 80$
eq.(3) $\div$ eq (1), $8 = 4 y$ or, $y = 2$

JEE - 2023

CHXII04:CHEMICAL KINETICS

320183 On increasing the pressure three fold, the rate of reaction of $2 H_{2} S + O_{2} \to$ products, would increase

1 3 times

2 9 times

3 12 times

4 27 times

Explanation:

$2 H_{2} S + O_{2} \to$ products
Rate ${= p}_{H_{2} s}^{2} \cdot p_{O_{2}}$
$= {[3 p_{H_{2} S}]}^{2} (3 p_{2}) = 27 [p_{H_{2} S}] (p_{O_{2}})$

CHXII04:CHEMICAL KINETICS

320180 During the kinetic study of the reaction $2 A + B \to C + D$ following results were obtained.
On the basis of above data which one is correct ?
supporting img

1

r = k [A]^{2} {[B]}^{2}

2

r = k [A] [B]^{2}

3

r = k [A]^{2} [B]

4

r = k [A] [B]

Explanation:

$r = K [A]^{m} {[B]}^{n}$

KCET - 2021

CHXII04:CHEMICAL KINETICS

320181 Assertion :
Rate of reaction can be expressed as rate of change in partial pressure of the gaseous reactants or product
Reason :
Partial pressure of a gas is equal to its concentration.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXII04:CHEMICAL KINETICS

320182 For a chemical reaction $A + B \to$ Product, the order is 1 with respect to A and B .
supporting img

What are the values of x and y ?

1 80 and 2

2 40 and 4

3 80 and 4

4 160 and 4

Explanation:

$r = k [A]^{1} [B]^{1}$
$0.1 = k \times 20 \times 0.5$ (1)
$0.4 = k \times x \times 0.5$ (2)
and $0.8 = k \times 40 \times y$ (3)
eq.(2) $\div$ eq (1), $x = 20 \times 4 = 80$
eq.(3) $\div$ eq (1), $8 = 4 y$ or, $y = 2$

JEE - 2023

CHXII04:CHEMICAL KINETICS

320183 On increasing the pressure three fold, the rate of reaction of $2 H_{2} S + O_{2} \to$ products, would increase

1 3 times

2 9 times

3 12 times

4 27 times

Explanation:

$2 H_{2} S + O_{2} \to$ products
Rate ${= p}_{H_{2} s}^{2} \cdot p_{O_{2}}$
$= {[3 p_{H_{2} S}]}^{2} (3 p_{2}) = 27 [p_{H_{2} S}] (p_{O_{2}})$

CHXII04:CHEMICAL KINETICS

320180 During the kinetic study of the reaction $2 A + B \to C + D$ following results were obtained.
On the basis of above data which one is correct ?
supporting img

1

r = k [A]^{2} {[B]}^{2}

2

r = k [A] [B]^{2}

3

r = k [A]^{2} [B]

4

r = k [A] [B]

Explanation:

$r = K [A]^{m} {[B]}^{n}$

KCET - 2021

CHXII04:CHEMICAL KINETICS

320181 Assertion :
Rate of reaction can be expressed as rate of change in partial pressure of the gaseous reactants or product
Reason :
Partial pressure of a gas is equal to its concentration.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXII04:CHEMICAL KINETICS

320182 For a chemical reaction $A + B \to$ Product, the order is 1 with respect to A and B .
supporting img

What are the values of x and y ?

1 80 and 2

2 40 and 4

3 80 and 4

4 160 and 4

Explanation:

$r = k [A]^{1} [B]^{1}$
$0.1 = k \times 20 \times 0.5$ (1)
$0.4 = k \times x \times 0.5$ (2)
and $0.8 = k \times 40 \times y$ (3)
eq.(2) $\div$ eq (1), $x = 20 \times 4 = 80$
eq.(3) $\div$ eq (1), $8 = 4 y$ or, $y = 2$

JEE - 2023

CHXII04:CHEMICAL KINETICS

320183 On increasing the pressure three fold, the rate of reaction of $2 H_{2} S + O_{2} \to$ products, would increase

1 3 times

2 9 times

3 12 times

4 27 times

Explanation:

$2 H_{2} S + O_{2} \to$ products
Rate ${= p}_{H_{2} s}^{2} \cdot p_{O_{2}}$
$= {[3 p_{H_{2} S}]}^{2} (3 p_{2}) = 27 [p_{H_{2} S}] (p_{O_{2}})$

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