Home
Class 12
CHEMISTRY
Assertion: Some salts are sparingly solu...

Assertion: Some salts are sparingly soluble at room temperature.
Reason : The entropy increases on dissolving the salts.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion :- Water in liquid state is more stable than ice at room temperature. Reason :- Water in liquid from has higher entropy than ice.

Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature. Reason (R ) : Entropy of the system increases with increase in temperature.

Assertion :- When a rubber band is stretched entropy increases. Reason :- During expansion entropy increases.

Assertion (A): pH of water increases with an increase in temperature. Reason (R) : K_(w) or water increases with increase in temperature.

An alkaline earth metal gives a salt with chlorine which is sparingly soluble in water at room tempreture but fairly soluble in boiling water. It also forms a sulphate whose mixture with a sulphate of a transition metal is called 'lithopone' and is used as white pigment. the alkaline earth metal is

Assertion : Rate of reaction increases with increase in temperature. Reason : Number of effective collisions increases with increase in temperature.

Assertion : The solubility of most salts in water increases with rise of temperature. Reason : For most of the ionic compounds, Delta_("sol")H^(@) is positive and the dissociation process is endothermic.

Assertion: CsI is sparingly soluble in water Reason: Hydration energy Cs^(+) and I^(-) ions are higher than lattice energy.

Assertion: CsI is sparingly soluble in water Reason: Hydration energy Cs^(+) and I^(-) ions are higher than lattice energy.

Assertion : In an isolated system the entropy increases. Reason : The processes in an isolated system are adiabatic.