MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic Chemistryp-Block (group 13 and 14)Carbon and Its Compounds
Carbon shows a maximum covalency of four whereas other members can expand their covalence due to
A.absence of d-orbitals in carbon
B.ability of carbon to form pp - pp multiple bonds
C.small size of carbon✓ Correct
D.catenation of carbon.
Explanation
Absence of d-orbital therefore, it can accommodate only four pairs of electrons around it."Also correct the font in option (b). 126.. Dry ice is (a) solid NH3 (b) solid SO2 (c) solid CO2 (d) solid N2. Dry ice is solid 2 CO