Nomenclature of Straight Chain Hydrocarbon

Q. The correct set of lowest locant for the given compound is .

1. 2, 3, 5
2. 2, 4, 5
3. 2, 5, 4

Q.

The unsaturated hydrocarbon undergoes:

1. a substitution reaction

2. an oxidation reaction

3. an addition reaction

4. none of the above

Q. Calculate the number of hydrogens present in an alkane, containing 15 carbons atoms.

Q.

Describe the representation of an element and a compound using a chemical formula.

Q.

Write IUPAC name of $\mathrm{HCHO}$ , ${\mathrm{CH}}_3\mathrm{CHO}$ and ${\mathrm{CH}}_3{\mathrm{COCH}}_3$.

Q.

The element which shows the property of catenation is:

1. Iodine
2. Neon
3. Sodium
4. Carbon

Q.

The chemical formula represents one molecule of the compound.

1. True
2. False

Q.

If the molecular formula of an organic compound is ${\mathrm{C}}_{10}{\mathrm{H}}_{18}$, it is:

1. Alkane

2. Alkene

3. Alkyne

4. Not a hydrocarbon

Q.

Write the chemical formula of Nitrogen dioxide.

Q.
The parent chain in the given compound has carbon atoms.

1. six
2. eight
3. nine

Q.

The molecular formula of the given compound is

1. $C_5{H}_{12}$

2. $C_5{H}_{10}$

3. $C_4{H}_{10}$

4. $C_6{H}_{10}$

Q.

The main constituent of natural gas is:

1. Methane

2. Ethane

3. Propane

4. Butane

Q.

A compound X consists of 4.8% carbon and 95.2% bromine by mass.If the vapour density of the compound is 252, what is the molecular formula of the compound?

1. C₂Br₆

2. C₆Br₂

3. C₂Br

4. C₂Br₅

5. C₄Br₂

Q.

An example of carbon containing organic compound is :

1. Water

2. Carbon monoxide

3. Sugar

4. Calcium oxide

Q.

The IUPAC name of the given compound is

1. Nonane

2. Hexane

3. Heptane

4. Octane

Q.

The chemical formula represents one molecule of the compound.

1. True
2. False

Q.

What do you understand by the term chemical formula?

Q.

According to Huckel's rule, the number of π electrons to be taken while determining aromaticity in case of

1. 6 and 4

2. 6 and 8

3. 8 and 8

4. 8 and 4

Q. Give IUPAC name :

1. Bicyclo [2, 1, 0] pentane
2. 1, 2- cyclopropyl cyclobutane
3. 1, 2 -cyclobutyl cyclopropane
4. 1, 2- Methylene cyclobutane

Q.

Select the organic compound(s) with correct molecular formula.

1. Pentane has molecular formula $C_5{H}_{10}$

2. Hexane has molecular formula $C_6{H}_{14}$

3. Nonane has molecular formula $C_9{H}_{18}$

4. Butane has molecular formula $C_4{H}_{10}$

Q.

The compound having eight carbons is known as:

1. Pentane

2. Octane

3. Heptane

4. Hexane

Q.

IUPAC name of $C{H}_3(C{H}_2{)}_{3}C{H}_3$ is

1. Hexane

2. Propane

3. Butane

4. Pentane

Q.

A hydrocarbon chain having molecular formula $C_7{H}_{16}$ is numbered in four different ways. Which option is correctly representing the numbering of carbon atoms?

1. 

2. 

3. 

4. 

Q. What is a homologous series? Explain with an example.

[2 Mark]

Q.

The root word used for 8 carbons in parent chain is

1. Eth

2. Oct

3. Meth

4. Non

Q.

The number of carbon atoms in hexane are

1. 4

2. 7

3. 3

4. 6