Question

In this question, an Assertion (A) is followed by a corresponding Reason (R). Choose the appropriate option.

Assertion (A): In $CsCl$ crystal, the coordination number of $C{s}^{\oplus }$ ion is 8.

Reason (R): $C{l}^{\ominus }$ ions in $CsCl$ adopt bcc type of packing.

• A. Both (A) and (R) are correct, and (R) is the correct explanation of (A).
• B. Both (A) and (R) are correct, but (R) is not the correct explanation of (A).
• C. (A) is correct, but (R) is incorrect.
• D. (A) is incorrect, but (R) is correct.

Answer 1

The correct option is A

Both (A) and (R) are correct, and (R) is the correct explanation of (A).

Both the assertion and the reason are correct. The reason (R) correctly explains the assertion (A).