Question

Draw and explain the hybridization of BeF2 and C2H2​

Answer 1

Answer:

(i) The atomic number of beryllium is 4.The electronic configuration in ground state is 1s2 2s2 . When it is in excited state the configuration is 3s22s1,2p1 . 

(ii) In the excited beryllium atom '2s' and '2px ' orbitals intermix to give two equivalent 'sp' hybrid orbitals. (ground state) 

(iii) The half filled 2pz orbitals of two fluorine atoms overlap with 'sp' hybrid orbitals of beryllium in their axis to form two (sp – p) bonds.

 (iv) BeF2 molecule so formed has linear shape.

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