Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Lithium salts are hydrated.

Reason (R) : Lithium has higher polarizing power than other alkali metal group members.

In the light of the above statements, choose the most appropriate answer from the options given below:

Option 1 - Both (A) and (R) are correct and (R) is the correct explanation of (A).

Option 2 - (A) is correct but (R) is not correct.

Option 3 - (A) is not correct but (R) is correct.

Option 4 - Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).

2 Views|Posted 6 months ago

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Vishal Baghel | Contributor-Level 10

6 months ago

Correct Option - 4

Detailed Solution:

Lithium salts are extensively hydrated due to high hydration enthalpy of Li⁺

$L i^{+} > N a^{+} > K^{+} > R b^{+} > C s^{+}$ (order of polarizing power)

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Chemistry Ncert Solutions Class 11th 2023

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