1.

Assertion (A) : B_(2) O_(3) has trigonal planar structure. Reason (R) : The ratio of radius of cation and anion (r_(c^(+)))/(r_(A^(-)))=0.155-0.225plays an important role in determining the structure and B_(2) O_(3) has coordination number as 3 and has trigonal planar structure.

Answer»

Both A and R are CORRECT and R is the correct EXPLANATION of A.
Both A and R are correct but R is not the correct explanation of A
A is correct but R is WRONG
A is wrong but R is correct

Solution :Both A and R are correct and R is the correct explanation of A.


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