Crystalline Forms

Q.

Differentiate between the crystalline form of carbon and the non-crystalline form of carbon.

Q.

Name three different forms of carbon.

Q. The crystalline forms of carbon have:

1. sharp melting point
2. definite geometrical shape
3. low boiling point
4. regular arrangement of atoms

Q. Identify the crystalline allotropes of carbon.

1. Diamond
2. Graphite
3. Fullerene
4. Coal

Q.

What is meant by saying that diamond and graphite are alloptropic form of carbon. Salt solution ( salt mixed in water) is true solution. What is meant by this statement and what are true solutions.

Q. Diamond has a _______ structure, whereas graphite has a ________ structure.

1. hexagonal layered, octahedron
2. tetrahedral, square pyramidal
3. tetrahedral, hexagonal layered
4. hexagonal layered, pentagonal

Q. The particles present in diamond are

Q. 3 hydro carbon a, b, c have melting point 183 degree Celsius -138 degree Celsius 95.3 degree Celsius. Respectively. Which one has minimum no. Of carbon atom molecules

Q.

Differentiate between crystalline and amorphous forms of carbon.

Q. Assertion: Diamond and graphite have the same physical properties.

Reason: Both of them are made from the same element.

1. Both assertion and reason are true and the reason is the correct explanation for the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation for the assertion.
3. The assertion is true but the reason is false.
4. The assertion is false but the reason is true.

Q.

Differentiate between -

Diamond and Graphite

Q.

Differentiate between the crystalline form of carbon and the non-crystalline form of carbon.

Q. The points to be considered while writing the IUPAC names are:

1. Number of carbon atoms
2. Unsaturation
3. Valency of the heteroatom
4. Functional group

Q.

Which of the following is the crystalline form of carbon?

1. Lamp black

2. Sugar

3. Gas carbon

4. Fullerene

Q. Which of the following are the crystalline forms of carbon?

1. Diamond
2. Graphite
3. Coke
4. Fullerene