MCQs of Chemical Kinetics

Showing 61 to 70 out of 228 Questions

61.

In equation E_a = N_A . ε* than what is ε* ?

62.

For reaction

X + 2 Y \to

Product, the reaction rate =

6.1 \times 10^{- 2} \times [X] {[Y]}^{2}

. If

[X]

= 0.37 M and

[Y]

= 1.26 M, the reaction rate = _____ .

63.

In zero order reaction for [R]_t → t graph what is value of intercept ?

64.

Which step is represented for rate ?

65.

Which of the given statement is correct for the following reaction:

$N_{2 (g)} + 3 H_{2 (g)} \to 2 {NH}_{3 (g)}$

(a)	$- \frac{d [N_{2}]}{d t} = + \frac{1}{2} \frac{d [N H_{3}]}{d t} = - \frac{1}{3} \frac{d [H_{2}]}{d t}$
(b)	When 28 g N₂ is consumed, $28 \times 3 = 84$ g H₂ is consumed.
(c)	When 28 g N₂ is consumed, $28 \times 2 = 56$ g NH₃ is consumed.
(d)	0.1 mole N₂ combines with 0.3 mole H₂ completely to produce 0.4 mole NH₃.

66.

Rate constant is

K = p . {ze}^{- \frac{E}{RT}}

than which factor is decrease than reaction is decreasing ?

67.

Which reactant is react fast in same condition ?

68.

How can we decrease activation energy of reaction ?

(a)	Increases of temperature
(b)	Increases of concentration of reactant
(c)	Uses of catalyst
(d)	A & C both

69.

How many temperature is increase for rate is double ?

70.

Which type of reaction of HCL and NaOH ?

Showing 61 to 70 out of 228 Questions