p Block ElementshardMCQ SINGLE

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reasonp Block Elements Chemistry Question

Question

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : Boron is unable to form Reason (R) : Size of B is very small. In the light of the above statements, choose the correct answer from the options given below: 63- (A) Both (A) and (R) are true and (R) is the correct explanation of (A) (B) Both (A) and (R) are true but (R) is not the correct explanation of (A) (C) (A) is true but (R) is false (D) (A) is false but (R) is true

Answer: B) BOTH (A) AND (R) ARE TRUE BUT (R) IS NOT THE CORRECT EXPLANATION OF (A)

💡 Solution & Explanation

Boron is unable to form BF as expansion of octet is not possible for B. Both (A) and (R) are correct and (R) is not the correct explanation of (A).

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