In which of the following compounds octet is complete and incomplete for all atoms :

Options

A. `{:(Al_(2)Cl_(6),Al_(2)(CH_(3))_(6),AlF_(3),"Dimer of "BeCl_(2),"Dimer of "BeH_(2)),(IC,IC,IC,C,C):}`
B. `{:(Al_(2)Cl_(6),Al_(2)(CH_(3))_(6),AlF_(3),"Dimer of "BeCl_(2),"Dimer of "BeH_(2)),(C,IC,IC,C,IC):}`
C. `{:(Al_(2)Cl_(6),Al_(2)(CH_(3))_(6),AlF_(3),"Dimer of "BeCl_(2),"Dimer of "BeH_(2)),(C,IC,C,IC,IC):}`
D. `{:(Al_(2)Cl_(6),Al_(2)(CH_(3))_(6),AlF_(3),"Dimer of "BeCl_(2),"Dimer of "BeH_(2)),(IC,C,IC,IC,IC):}`

Answer

C

Explanation

(i) (ii)
(iii) `underset("ionic compound")(AlF_(3)) to underset("octet complete")underset(2s^(2)2p^(2))(Al^(3+))+ underset("octet complete")underset(2s^(2)2p^(6))(2s^(2)2p^(6))` (iv) ``
(v) (incomplete)