Question

what is the nature of the bond indicated? ionic metallic nonpolar covalent polar covalent

Explanation:

• Ionic bonds involve the transfer of electrons between atoms (usually a metal and a non - metal). In this case, the bond is between non - metals (C and O are non - metals), so it's not ionic.
• Metallic bonds occur in metals. Since we are dealing with non - metal atoms (C and O), it's not metallic.
• Non - polar covalent bonds form when the electronegativity difference between two atoms is very small (usually \( \Delta EN<0.5 \)). The electronegativity of C is \( 2.55 \) and of O is \( 3.44 \). The electronegativity difference \( \Delta EN=3.44 - 2.55=0.89>0.5 \). So it's not non - polar covalent.
• Polar covalent bonds form when there is an electronegativity difference (\( 0.5\leq\Delta EN < 1.7 \)) between two non - metal atoms. As calculated above, \( \Delta EN = 0.89 \) for the C - O bond. So it is a polar covalent bond.

Answer:

Polar Covalent