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

(i) 3 double bonds; 9 single bonds

(ii) 6 double bonds; 6 single bonds

(iii) 3 double bonds; 12 single bonds

(iv) Zero double bonds; 12 single bonds

 

Correct Answer: (ii) 6 double bonds; 6 single bonds

Explanation: In a cyclotrimetaphosphoric acid molecule, 6 double bonds and 6 single bonds are present.