Q-4. (b) Complete the Lewis structure by adding multiple bonds, electron pairs, and formal charges at appropriate locations. Determine the hybridization, molecular
geometry and bond angle for each central atom in the molecule. (10 marks)
H
Н
CB-
Н
H
Н
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O

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Element before carbon on the periodic table

Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction