Assertion (A) Formaldehyde is a planar molecule.
Reason (R) It contains `sp^(2)` hybridised carbon atom.
A. If both (A) and (R) are correct and (R) is the corect explanation of (A)
B. If both (A) and (R) are correct but (R) is not correct explanation of (A)
C. If (A) is correct but (R) is incorrect.
D. If (A) is incorrect but (R) is correct