Assertion (A) : Carbon forms covalent compounds buyt lead dorms ionic compounds
Reason (R) : crabon can les foure electrons to forem `C^(4+)` ion but lead connot .
A. If both (A) and (R) are correct and (R) is correct explanation of (A)
B. If both (A) and (R) are correct and (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