Problem: Order these compounds in order of decreasing carbon-carbon bond length.a) H2CCH2 > H3CCH3 > HCCHb) H3CCH3 > H2CCH2 > HCCHc) HCCH > H2CCH2 > HC3CH3

FREE Expert Solution

Recall: ↑ bond order, ↑ bond energy, ↓ bond length


Drawing the Lewis structures of each:

H3CCH3 : C-C bond order: 1

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Problem Details

Order these compounds in order of decreasing carbon-carbon bond length.

a) H2CCH2 > H3CCH3 > HCCH

b) H3CCH3 > H2CCH2 > HCCH

c) HCCH > H2CCH2 > HC3CH3

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