MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following statements, in homogeneous reactions, the:

I. Reactants found in the same physical state.

II. Reaction proceeds in forward direction when concentration of reactants is more than products.

III. Reaction between ethanol and acetic acid in the presence of sulphuric acid is an example of slow reaction.

Which of the above statements are correct?

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Important Questions on Chemistry

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Statement I: The reactions with the greater activation energy will be faster.

Statement II: The reaction with the smaller activation energy will be faster.

EASY
UPSC CAPF AC Paper - I
IMPORTANT
Which of the following represents the rate constant for the reaction in which activation energy is zero?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Statement I: Generally, catalyst increases, the rate of reaction in forward direction.

Statement II: Catalyst decreases the activation energy of the reactant.

EASY
UPSC CAPF AC Paper - I
IMPORTANT

Consider the following statements.

I. In some reactions, reactants react rapidly in the presence of sunlight.

II. Neutralisation reaction is an example of irreversible reaction.

Which of the above statements is/are true?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
In the presence of a catalyst, what happens to the chemical equilibrium?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
The gas used in refrigerator is:
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
A spontaneous change is one in which there is:
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Consider the following statements.

I. The substances in their aqueous solutions are good conductor of electricity is known as electrolytes.

II. HCl, NaOH, NaCl are electrolytes.

Which of the above statements is/are correct?