Question

Which of these is/are positively charged ligand(s)?

• A. $NO$
• B. $N{O}^{+}$
• C. $H_{2}O$
• D. None of the above

Answer 1

The correct option is B $N{O}^{+}$

The ions or molecules which surround a metal ion or metal atom are called ligands. They are attached to central metal atom or central metal ion by co-ordinate bond.
Based on the charges ligands can be classified as positively charged, negatively charged or neutral ligands.
Examples of positively charged ligands:
$N{O}^{+},N{O}_2^{+},N{H}_2-\stackrel{+}{N}{H}_3$