MCQ
If $R = K{[NO]^2}[{O_2}],$ rate constant may be increased by
- ✓Increasing temperature
- BDecreasing temperature
- CIncreasing concentration of ${O_2}$
- DIncreasing concentration of $NO$
✓
Answer
Correct option: A.
Increasing temperature
a
According to Arrhenius Rate Equation:
According to Arrhenius Rate Equation:
$k = Ae E ^{- E _a / RT }$
Rate Constant only depends on Pre-Exponential Factor, Activation Energy, Ideal Gas Constant, Temperature.
On Increasing Temperature, Rate Constant can be increased.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Relation between $(A)$ and $(B)$ is
→When $Z$ is doubled in an atom, which of the following statements are consistent with Bohr's theory?
→Two reactions $R_1$ and $R_2$ have identical pre-exponential factors. Activation energy of $R_1$ exceeds that of $R_2$ by $10\, kJ\,mol^{-1}.$ If $k_1$ and $k_2$ are rate constants for reactions $R_1$ and $R_2$ respectively at $300 \,K,$ then $\ln (k_2/k_1)$ is equal to :
→$(R=8.314\,J\, mol^{-1}\,K^{-1})$
The volume of $HCl$, containing $73\,g\,L ^{-1}$, required to completely neutralise $NaOH$ obtained by reacting $0.69\,g$ of metallic sodium with water, is $........mL$. (Nearest Integer) (Given : molar Masses of $Na , Cl , O , H$ are $23$, $35.5,16$ and $1\,g\,mol ^{-1}$ respectively)
→The conjugate acid of a strong base is a
On analysis, a certain compound was found to contain iodine and oxygen in the ratio of $254\,\,gm$ of iodine and $80\,\,gm$ of oxygen. The atomic mass of iodine is $127$ and that of oxygen is $16.$ Which of the following is the formula of the compound
→$\mathrm{CO}_{2}$ gas is bubbled through water during a soft drink manufacturing process at $298\, \mathrm{~K}$. If $\mathrm{CO}_{2}$ exerts a partial pressure of $0.835$ bar then $x \,\mathrm{~m} \,\mathrm{~mol}$ of $\mathrm{CO}_{2}$ would dissolve in $0.9\,\mathrm{~L}$ of water. The value of $x$ is $.....$ (Nearest integer)
→(Henry's law constant for $\mathrm{CO}_{2}$ at $298\, \mathrm{~K}$ is $1.67 \times 10^{3}$ $bar$)
Positive charge in an atom is :
Of the following iso-electronic ions, the one which has the lowest ionisation potential is
Hydrolysis of which compound will give carbolic acid?