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wika HCN

wika HCN

Apr 12, 2010I have a question that asks "place the following in order of increasing A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule" It then gives HCN H2O and H3O+ to place in the order. Why wouldn't HCN and H2O be equal? Are they not both linear? It is multiple choice and that is not an option so I know it is wrong.

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