In a cyclotrimetaphosphoric acid molecule,how | vedclass

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Question

(C) The chemical formula for cyclotrimetaphosphoric acid is $(HPO_3)_3$. Its structure consists of a six-membered ring containing alternating phosphor

Vedclass · Accepted Answer

$3$ double bonds; $12$ single bonds

Vedclass · Answer

(C) The chemical formula for cyclotrimetaphosphoric acid is $(HPO_3)_3$. Its structure consists of a six-membered ring containing alternating phosphorus and oxygen atoms $(P-O-P-O-P-O)$. Each phosphorus atom is bonded to one hydroxyl group $(-OH)$ and one terminal oxygen atom via a double bond $(P=O)$. Counting the bonds: $1$. There are $3$ $P=O$ double bonds. $2$. The single bonds are: $3$ $P-O$ bonds in the ring,$3$ $P-OH$ bonds,and $3$ $O-H$ bonds,totaling $3 + 3 + 3 = 9$ single bonds. Wait,let us re-examine the structure: - $3$ $P=O$ double bonds. - Ring bonds: $3$ $P-O$ and $3$ $P-O$ (total $6$ $P-O$ single bonds in the ring). - External bonds: $3$ $P-OH$ and $3$ $O-H$ (total $6$ single bonds). - Total single bonds = $6 + 6 = 12$. Thus,there are $3$ double bonds and $12$ single bonds.

In a cyclotrimetaphosphoric acid molecule,how many single and double bonds are present?

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