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Statement-1 : In LiCl more covalent char...

Statement-1 : In LiCl more covalent character is present in LiF.
and
Statement-2 : Polarizability of `Br^(-)` is more than `Cl^(-)`

A

(A) Statement-1 is True , Statement-2 is True , Statement-2 is a correct explanation for Statement-1

B

(B) Statement-1 is True , Statement-2 is True , Statement-2 is NOT a correct explanation for Statement-1

C

(C) Statement-1 is True , Statement-2 is False

D

(D) Statement-1 is False , Statement-2 is True

Text Solution

AI Generated Solution

The correct Answer is:
To analyze the statements given in the question, we will break down the reasoning step by step. ### Step 1: Understanding Statement 1 **Statement 1:** In LiCl, more covalent character is present than in LiF. - To evaluate this statement, we need to consider the nature of the bonds formed in LiF and LiCl. - LiF consists of Li^+ and F^− ions, while LiCl consists of Li^+ and Cl^− ions. - According to Fajans' rules, the covalent character of an ionic bond increases with the size of the anion and the charge on the anion. - The size of Cl^− is larger than that of F^−. Therefore, Cl^− can polarize the Li^+ ion more effectively than F^− can polarize it. **Conclusion for Statement 1:** Since Cl^− is larger, LiCl has more covalent character than LiF. Thus, Statement 1 is **True**. ### Step 2: Understanding Statement 2 **Statement 2:** Polarizability of Br^− is more than Cl^−. - Polarizability refers to the ability of an anion's electron cloud to be distorted by an external electric field or by nearby cations. - Generally, larger anions have greater polarizability because their electron clouds are held less tightly by the nucleus and can be distorted more easily. - Comparing Br^− and Cl^−, Br^− is larger in size than Cl^−. Thus, Br^− will have a higher polarizability. **Conclusion for Statement 2:** Since Br^− is larger than Cl^−, it has more polarizability. Therefore, Statement 2 is **True**. ### Step 3: Relationship Between the Statements - Statement 2 provides an explanation for why LiCl has more covalent character than LiF. The larger size and higher polarizability of Cl^− compared to F^− contribute to the increased covalent character in LiCl. - Thus, Statement 2 correctly explains Statement 1. ### Final Conclusion Both statements are true, and Statement 2 correctly explains Statement 1. Therefore, the correct answer is that both statements are true, and Statement 2 is a correct explanation for Statement 1.
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