Chemical bonding HK5

Which of the following overlaps result in the strongest bond?

• s-p

• s-s

• p-p

• None

Calculate the formal charge on the sulfur atom in SO₄²⁻.

• +2

• +1

• 0

• -1

Answer explanation

What is the formal charge on the central atom in the phosphate ion (PO₄³⁻)?

a) +1

b) +2

c) +3

d) 0

• +1

• +2

• 0

• +3

What is the bond order of the carbonate ion (CO₃²⁻)?

a) 1

b) 1.33

c) 1.5

d) 2

• 1

• 1.5

• 1.33

• 2

Which of the following has the highest bond order?

• O₂

• Cl₂

• N₂

• F₂