Saturated and Unsaturated Compounds

Q.

How many chiral carbon atoms are there in the open-chain form of glucose?

Q.

The general formula of Saturated hydrocarbons is $C_n{H}_{2n}$.

1. True

2. False

Q.

What is the C Double bond called?

Q.

Are hydrocarbon vapours heavier than air?

Q.

What are hydrocarbons give one example?

Q.

Question 48
(a) What are hydrocarbons? Give examples.
(b) Give the structural difference between saturated and unsaturated hydrocarbons with two examples of each.
(c) What is a functional group? Give examples of four different functional groups.

Q. Identify saturated hydrocarbon from the following options.

1. 

2. 

3. 

4. 

Q. (a) What are hydrocarbons? Give examples.
(b) Give the structural difference between saturated and unsaturated hydrocarbons with two examples of each.
(c) What is a functional group? Give examples of four different functional groups.

Q. When a saturated hydrocarbon burns with oxygen it gives a _______ flame.

1. crimson
2. blue
3. yellow
4. bright red

Q. (a) What are hydrocarbons? Give examples.
(b) Give the structural difference between saturated and unsaturated hydrocarbons with two examples of each.
(c) What is a functional group? Give examples of four different functional groups.

Q. Which of the following reaction will occur during the substitution reaction of methane with chlorine to form carbon tetrachloride?

1. $C{H}_4\left(g\right)+C{l}_2\left(g\right)\to C{H}_{2}C{l}_2\left(g\right)+HCl\left(g\right)$
2. $C{H}_{3}Cl\left(g\right)+C{l}_2\left(g\right)\to C{H}_{2}C{l}_2\left(g\right)+HCl\left(g\right)$
3. $C{H}_{2}C{l}_2\left(g\right)+C{l}_2\left(g\right)\to CHC{l}_3\left(g\right)+HCl\left(g\right)$
4. $CHC{l}_3\left(g\right)+C{l}_2\left(g\right)\to CC{l}_4\left(g\right)+HCl\left(g\right)$

Q. Define combustion reaction. How is combustion of saturated hydrocarbons different from that of unsaturated hydrocarbons?
[2 Marks]

Q.

75 (i) What are Hydrocarbons

Q. Which structure represents an unsaturated hydrocarbon?
a.

b.

c.

d.

1. a, c
2. b, c
3. All of the above
4. a, b

Q. The main constituent of natural gas is:

1. methane
2. propane
3. ethane
4. butane

Q. The general formula for alkynes is:

1. ${\text{C}}_{\text{n}}{\text{H}}_{2\text{n}+2}$
2. ${\text{C}}_{\text{n}}{\text{H}}_{\text{n}}$
3. ${\text{C}}_{\text{n}}{\text{H}}_{2\text{n}}$
4. ${\text{C}}_{\text{n}}{\text{H}}_{2\text{n}-2}$

Q. Saturated hydrocarbon contain
only single bonds whereas
unsaturated hydrocarbons contain
only double bonds.

1. True
2. False

Q. The hydrocarbons having double or triple bond in their structure are unsaturated hydrocarbons.

1. True
2. False

Q. Methane is a saturated hydrocarbon while ethene and ethyne are unsaturated hydrocarbons.

1. \N
2. \N

Q. Assertion :Natural gas contains methane as a major component. Reason: Methane is the most volatile hydrocarbon.

1. If both assertion and reason are CORRECT and reason is the CORRECT explanation of the assertion.
2. If both assertion and reason are CORRECT, but reason is NOT THE CORRECT explanation of the assertion.
3. If assertion is CORRECT, but reason is INCORRECT.
4. If assertion is INCORRECT, but reason is CORRECT.

Q. Ethene $(H_{2}C=C{H}_2)$ is an unsaturated hydrocarbon.

1. True
2. False

Q.

The suffix used for saturated hydrocarbons is:

1. -ane

2. -ene

3. -yne

4. -ol

Q. Identify the unsaturated hydrocarbons.

1. Propyne
2. Butene
3. Ethene
4. Pentene
5. Hexyne
6. Methane
7. Heptane
8. Octane

Q. (a) What are hydrocarbons? Give examples.
(b) Give the structural difference between saturated and unsaturated hydrocarbons with two examples of each.
(c) What is a functional group? Give examples of four different functional groups.

Q. Saturated hydrocarbons contain only single bonds between the carbon atoms in them.

1. True
2. False

Q. Which of the following are unsaturated hydrocarbons?

1. Propane
2. Butene
3. Propyne
4. Ethane

Q. What are saturated and unsaturated hydrocarbons? [2 Marks]

Q. __________ is the most stable compound amongst the following.

1. But-2-ene
2. But-1-yne
3. But-1-ene
4. Butane