Tetravalency and Catenation

Q.

Assertion: Graphite is chemically more reactive than diamond.

Reason: Diamond is very hard but graphite is soft.

1. if the assertion as well as reason are correct and the reason is correct explanation of assertion.

2. if the assertion as well as reason are correct, but reason is not the correct explanation of assertion.

3. If the assertion is correct but reason is not

4. If the reason is correct but assertion is wrong

Q.

Which allotrope of the non-metal Carbon conducts electricity?

Q.

Which of the following is the correct representation of carbon tetrachloride($CC{l}_4$)?

1. 

2. 

3. 

4. 

Q. Which of the following properties aid catenation in carbon?

1. Small size
2. Allotropy
3. Tetravalency
4. Non-metallic nature of carbon

Q. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. What is this property of Carbon called?

1. Catenation
2. Allotropy
3. Covalent Bonding
4. Tetravalency

Q.

Why does Carbon form covalent bond?