Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
Practical Organic Chemistry
MCQ (Single Correct Answer)
1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The activation energy for a reaction is $9.0 \mathrm{~K} \mathrm{cal} \mathrm{mol}^{-1}$. The increase in the rate constant when its temperature is increased from 298 K to 308 K is

A
$10 \%$
B
$100 \%$
C
$50 \%$
D
$63 \%$
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

$A(g) \longrightarrow B(g)$ is a first order reaction. The initial concentration of $A$ is $0.2 \mathrm{~mol} \mathrm{~L}^{-1}$. After 10 minutes the concentration of $B$ is found to be $0.18 \mathrm{~mol} \mathrm{~L}^{-1}$. The rate constant (in $\min ^{-1}$ ) for the reaction is

A
$0.2303 \mathrm{~min}^{-1}$
B
$2.303 \mathrm{~min}^{-1}$
C
$0.693 \mathrm{~min}^{-1}$
D
$0.01 \mathrm{~min}^{-1}$
3
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

Which is correct about zero order reaction?

A
Rate of reaction is dependent of concentration
B
Unit of rate constant is concentration$${ }^{-1}$$ time$$^{-}$$
C
The plot of concentration of reactant versus time is linear with negative slope and non-zero intercept.
D
The plot of concentration of reactant versus time is linear with positive slope and non-zero intercept.
4
VITEEE 2023
MCQ (Single Correct Answer)
+1
-0

Arrhenius equation may not be represented as

A
$$\ln \frac{A}{k}=\frac{E_a}{R T}$$
B
$$k=A e^{-E a / R T}$$
C
$$\log A=\log k+\frac{E_a}{2.303 R T}$$
D
$$\log k-\left(\frac{E_{\mathrm{a}}}{R T}\right)=A$$
Questions Asked from MCQ (Single Correct Answer)
VITEEE Subjects
Aptitude
English