Covalent Bonding in Different Atoms

Q. Identify the correct pair of compounds with the number of single bonds present in it.

1. Two
2. Four
3. 
4. 
5. Three
6. 

Q. The total number of electrons shared between the atoms of a hydrogen chloride molecule is .

1. 3
2. 1
3. 2
4. 4

Q. Choose the odd one out from the following.

1. Magnesium chloride
2. Sodium chloride
3. Hydrogen chloride
4. Potassium chloride

Q. In an hydrogen chloride molecule, hydrogen and chlorine atoms are held by a double bond.

1. True
2. False

Q. Which of the following compound is formed by covalent bonding?

1. Sodium chloride
2. Potassium chloride
3. Water
4. Magnesium oxide

Q.

How many electron pairs are shared between carbon and hydrogen atoms in ${\text{CH}}_4$?

1. two
2. four
3. six
4. eight

Q. The total number of single bonds in ${\text{H}}_2\text{O}$ molecule is/are:

1. one

2. two

3. three

4. four

Q. The following compounds are non-polar except _______.

1. $N_2$
2. $C{l}_2$
3. $O_2$
4. $N{H}_3$

Q. How many electron pairs are shared between carbon and hydrogen atoms in methane?

1. Eight
2. Two
3. Four
4. Six

Q. How many double bonds are there in a water molecule?