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With which of the given pairs CO2 resembles:
(1) HgCl2, C2H2
(2) HgCl2, SnCl4
(3) C2H2, NO2
(4) N2O and NO2
Ans: HgCl2, C2H2
The number of unpaired electrons in carbon atom in excited state is: (1) One (2) Two (3) Three (4) Four Ans: Four
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