f) Grade 017 11:55 PM @ 6/1010/24/2017 08:18 PM Print Calculator Perodic Table l

Question

f) Grade 017 11:55 PM @ 6/1010/24/2017 08:18 PM Print Calculator Perodic Table l 10 Map Roberts & Company Publishers presented by Sapling Learning ic Chemistry Consider the resonance structures for the carbonate ion. (a) How much negative charge is on each oxygen of the carbonate ion? (b) What is the bond order of each carbon-oxygen bond in the carbonate ion? O 0.33 O 0.50 O 0.67 O 1.00 O 1.33 O 1.50 O 1.67 O 2.00 O -0.33 O -0.50 O -0.67 O -167 -2.00 4.00 O Previous check Answer 0 Next ·I Ext rch f8 19 10

Explanation / Answer

Ans In CO3 2- , there are -2 overall charge and this -2 charge is localised among three oxygen atoms.

3 oxygen atoms contain -2 charge,

hence 1 oxygen atoms contain -2 / 3 = - 0. 67 charge will be each oxygen atoms.

And For bond order, ther are there are total of 4 bonds but the no. of surrounding atoms are 3.

hence bond order = 4 / 3 = 1.33

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