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Properties of Ionic and Covalent Bonds

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Which compound has high melting point?

a)

Ionic

b)

Covalent

2.

Which substance soluble in organic solvent?

a)

Covalent

b)

Ionic

3.

Which of the following can conduct electricity in solid state?

a)

metals

b)

covalent compound

c)

ionic compound

4.

Which compound can conduct electricity in molten and aqueous state?

a)

Ionic compound

b)

Covalent compound

5.

Ions cannot move freely because they are tied by strong

............................

a)

electrostatic force

b)

Van der Waals

6.

Molecules in covalent compounds cannot conduct electricity because they are .....................

a)

charged

b)

neutral

c)

cannot move

7.

When dissolved in water, water molecules help to overcome electrostatic attraction force between ions and break down the lattice structure of the solid compound. As a result, ions can move freely in water.

a)

True

b)

False

8.

Organic solvents can overcome electrostatic forces between ions in a solid ionic compound. So, ionic compounds are soluble in organic solvent

a)

True

b)

False

9.

Why ionic compounds are not volatile? Because they ...................

a)

have high melting and boiling points

b)

have low melting and boiling points

10.

Giant molecules have a ................ structure and exist as .....................

a)

large, solid

b)

small, liquid

11.

The chemical bond that exist in giant molecules

a)

strong covalent bond

b)

strong covalent and Van der Waals

c)

electrostatic force

12.

Example of giant molecule

a)

carbon dioxide

b)

Silicon dioxide

13.

Example of simple molecule

a)

Carbon dioxide

b)

Silicon dioxide