What is the lewis structure for bicarbonate?

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What is the lewis structure for bicarbonate?

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Answer 1 · 2016-05-21T08:39:46

$H - O - C (= O) O^{-}$ $H-O-C(=O)O^-$

Explanation:

There are $1 + 4 + 3 \times 6$ $1+4+3xx6$ valence electrons to distribute $+ 1$ $+1$ electrons for the negative charge; thus $24$ $24$ electrons or $12$ $12$ electron pairs.

Bonding electrons account for $10$ $10$ electrons; the remaining $14$ $14$ electrons are distributed around the oxygen centres, i.e. $7$ $7$ lone pairs. The formally negative oxygen atom has $3$ $3$ lone pairs. Of course, this negative charge can be delocalized over the the formally, doubly bound oxygen.

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What is the lewis structure for bicarbonate?

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