Assertion (A): Carbon shares its valence electrons with other atoms of carbon or with atoms of other elements. Reason (R): The shared electrons belong to the outermost shells of both the atoms and lead to both atoms attaining the noble gas configuration. ( 1 1 1 1 1 ZnO, Na2O, CO2 ZnO+C—→Zn + CO Pb(NO3)2 + KI→ PbI2 + KNO3 - ( 1 1 1 1 1 3 3 1 1 2
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.