Nomenclature of Halogens, Ethers and Carboxylic Acids

Q. The IUPAC name of the compound $Cl-C{H}_2-C{H}_2-C{H}_2-C{H}_2-OH$ is

1. 3-chlorobutanal
2. chlorobutan-4-ol
3. 4-chlorobutan-1-ol
4. chlorobutanal

Q.

What is the formula for the homologous series of alcohols that can be formed with alkanes?

1. $C_n{H}_{2n+2}O$

2. $C_n{H}_{2n-1}O$

3. $C_n{H}_{2n+4}O$

4. $C_n{H}_{2n-3}O$

Q.

What is a benzylic carbon atom?

Q.

What is the general formula of the homologous series of alcohols?

Q.

What happens when HCl is in the gaseous state?

1. HCl dissociates in the gaseous state.

2. HCl is ionized in the gaseous state.

3. HCl is unionized in the gaseous state.

4. None of these

Q. Name the alkyl radical and the functional group of the following organic compounds: [4 MARKS]
(i) $C{H}_{3}OH$ (ii) $C_2{H}_{5}OH$ (iii) $C_3{H}_{7}CHO$ (iv) $C_4{H}_{9}COOH$

Q. Identify the functional groups in the following: [3 MARKS]
(i) $C{H}_{3}OH$
(ii) $HCHO$
(iii) $C{H}_{3}COOH$.

Q. The IUPAC name of the compound $Cl-C{H}_2-C{H}_2-C{H}_2-C{H}_2-OH$ is

1. 3-chlorobutanal
2. chlorobutan-4-ol
3. 4-chlorobutan-1-ol
4. chlorobutanal

Q. A hydrocarbon has five carbon atoms in a chain and the last carbon atom is attached to a chlorine atom. The name of this compound is.

1. 1-chloropentane
2. 5-chloropentene
3. 5-chloropentane

Q.

What is the name of the above compound?

1. Butanol

2. Propanal

3. Butaldehyde

4. Butanal

Q. Identify the homologous series among the following:
1. $HCOOH$
2. $C{H}_{3}COOH$
3. $C_2{H}_6$
4. $C_2{H}_{5}COOH$
5. Propanone

1. 1, 2 and 5 are homologous series
2. 1, 3 and 4 belong to the same homologous series
3. 1, 2 and 4 belong to the same homologous series
4. 1, 2 and 5 belong to the same homologous series

Q.

Choose electrophiles from the given ions.

1. Methanol

2. Benzene

3. Copper nitrate

4. Silver chloride

Q. Which among the following molecules are example(s) of molecule formed by catenation property?

1. $C{H}_2=CH-C{H}_3$
2. $C{H}_3-C{H}_2-C{H}_3$
3. $H-O-H$
4. $O=C=O$

Q.

An organic compound A has molecular formula ${\text{C}}_2{\text{H}}_4{\text{O}}_2$and is acidic in nature. On heating with alcohol and conc. sulphuric acid, vapours with pleasant or fruity smell are given out. What is this chemical compound A and what is the chemical equation involved in the reaction? [3 MARKS]

Q. Match the functional groups with their general notation.

1. $-OH$
2. $-C=O$
3. $-CHO$
4. $-COOH$

Q. A hydrocarbon with 5 carbons and a double bond between the $2^{nd}$ and the $3^{rd}$ carbons, can be named as ___.

1. Pentene
2. Pent-1-ene
3. Pent-2-ene
4. Pent-3-ene

Q. Identify the homologous series among the following:
1. $HCOOH$
2. $C{H}_{3}COOH$
3. $C_2{H}_6$
4. $C_2{H}_{5}COOH$
5. Propanone

1. 1, 2 and 5 are homologous series
2. 1, 3 and 4 belong to the same homologous series
3. 1, 2 and 4 belong to the same homologous series
4. 1, 2 and 5 belong to the same homologous series

Q.

What is the general formula of the homologous series of alcohols?

Q. ___

is a group of organic chemical compounds, usually listed in order of increasing size, that have a similar structure.

Q. A hydrocarbon has five carbon atoms in a chain and the last carbon atom is attached to a chlorine atom. The name of this compound is.

1. 1-chloropentane
2. 5-chloropentene
3. 5-chloropentane

Q. What is the next higher homologue of methanol $\left(C{H}_{3}OH\right)$?

Q.

What is the name of the above compound?

1. Butanol

2. Butanal

3. Butaldehyde

4. Propanal

Q. A homologous series is a family of hydrocarbons with different chemical properties that share the same general formula.

1. True
2. False

Q. Which of the following compounds is an example of homologous series of alcohols?

1. $C{H}_{3}OH$
2. $C{H}_{3}C{H}_{2}C{H}_{2}OH$
3. All of the above
4. $C{H}_{3}C{H}_{2}OH$

Q. Match the functional groups with their general notation.

1. $-COOH$
2. $-C=O$
3. $-OH$
4. $-CHO$

Q. The chemical formula of formic acid is

1. $HCOOH$
2. $C{H}_{3}COOH$
3. $C{H}_{3}C{H}_{2}COOH$

Q. Assertion: The functional group present in alcohols is -OH.
Reason: It is the same group present in water, hence water and alcohol have similar properties.

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

Q.

Choose electrophiles from the given ions.

1. Methanol

2. Benzene

3. Copper nitrate

4. Silver chloride

Q.

What is the IUPAC name of formaldehyde?

1. Methanoic acid

2. Methanal

3. Methane-aldehyde

4. Methylaldehyde

Q. The IUPAC name of CH3−CH2−O−CH2−CH3 is

1. ethoxyethane
2. diethoxy ether
3. but-2-one
4. but-3-one