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The correct sequence of increasing covalent character is represented by:
(1) LiCl < NaCl < BeCl2
(2) BaCl2 < NaCl< LiCl
(3) NaCl < Licl < BeCl2
(4) BeCl < Licl < NaCl
Ans: NaCl < Licl < BeCl2
How many unpaired electrons are present in cobalt [Co] metal: (1) 2 (2) 3 (3) 4 (4) 7 Ans: 3
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