AIIMS MBBS Entrance Test 2019 Chemistry Paper with Answer & Solutions 26 May First Shift Part 6

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Q-76:

Assertion: Some salts are sparingly soluble at room temperature.

Reason: The entropy increases on dissolving the salts.

Answer: (2)

Q-77: What is the activation energy for a reaction if its rate constant doubles when the temperature is raised from ?

Options:

(1)

(2)

(3)

(4)

Answer: (2)

Solution:

Q-78: When dimethyl amine is dissolve in solution then the percentage dissociation of dimethyl amine is:

Options:

(1)

(2)

(3)

(4)

Answer: (3)

Solution:

Q-79:

Assertion: A spherical water drops become flat on flatter surface.

Reason: It become flat due to gravity.

Answer: (1)

Q-80: A chemical reaction: is acting as limiting reagent then choose the correct option. The limiting reagent is:

Options:

(1)

(2)

(3)

(4)

Answer: (3)

Q-81: Which of the following can react with

Options:

(1)

(2)

(3)

(4)

Answer: (1)