Functional Groups – BSEB PYQ Based Practice
Instruction: Identify the functional group present in each compound. Write the name of the functional group.
-
\(\mathrm{CH_3-CH_2-OH}\)
-
\(\mathrm{CH_3-CHO}\)
-
\(\mathrm{CH_3-CO-CH_3}\)
-
\(\mathrm{CH_3-COOH}\)
-
\(\mathrm{CH_3-CH_2-CH_2-OH}\)
-
\(\mathrm{CH_3-CH_2-CHO}\)
-
\(\mathrm{CH_3-CH_2-CO-CH_3}\)
-
\(\mathrm{CH_3-CH_2-COOH}\)
-
\(\mathrm{CH_3-OH}\)
-
\(\mathrm{H-CHO}\)
-
\(\mathrm{H-COOH}\)
-
\(\mathrm{CH_3-CH(OH)-CH_3}\)
-
\(\mathrm{CH_3-CH_2-CH_2-CHO}\)
-
\(\mathrm{CH_3-CH_2-CO-CH_2-CH_3}\)
-
\(\mathrm{CH_3-CH_2-CH_2-COOH}\)
-
\(\mathrm{CH_3-CH_2-CH_2-CH_2-OH}\)
-
\(\mathrm{CH_3-CH(CH_3)-CHO}\)
-
\(\mathrm{CH_3-CH(CH_3)-COOH}\)
-
\(\mathrm{CH_3-CO-CH(CH_3)-CH_3}\)
-
\(\mathrm{CH_3-CH(OH)-CH_2-CH_3}\)
- Alcohol / Hydroxyl group (–OH)
- Aldehyde / Aldehydic group (–CHO)
- Ketone / Ketonic carbonyl group (>C=O)
- Carboxylic acid / Carboxyl group (–COOH)
- Alcohol / Hydroxyl group (–OH)
- Aldehyde / Aldehydic group (–CHO)
- Ketone / Ketonic carbonyl group (>C=O)
- Carboxylic acid / Carboxyl group (–COOH)
- Alcohol / Hydroxyl group (–OH)
- Aldehyde / Aldehydic group (–CHO)
- Carboxylic acid / Carboxyl group (–COOH)
- Alcohol / Hydroxyl group (–OH)
- Aldehyde / Aldehydic group (–CHO)
- Ketone / Ketonic carbonyl group (>C=O)
- Carboxylic acid / Carboxyl group (–COOH)
- Alcohol / Hydroxyl group (–OH)
- Aldehyde / Aldehydic group (–CHO)
- Carboxylic acid / Carboxyl group (–COOH)
- Ketone / Ketonic carbonyl group (>C=O)
- Alcohol / Hydroxyl group (–OH)
Functional Group – PYQ Style Questions
-
The functional group present in ethanol is:
\[ \mathrm{CH_3-CH_2-OH} \] -
The functional group present in propanal is:
\[ \mathrm{CH_3-CH_2-CHO} \] -
The functional group present in butanone is:
\[ \mathrm{CH_3-CO-CH_2-CH_3} \] -
The functional group present in ethanoic acid is:
\[ \mathrm{CH_3-COOH} \] - Identify the functional group: \[ \mathrm{-OH} \]
- Identify the functional group: \[ \mathrm{-CHO} \]
- Identify the functional group: \[ \mathrm{>C=O} \]
- Identify the functional group: \[ \mathrm{-COOH} \]
- Which functional group is present in methanal? \[ \mathrm{HCHO} \]
- Which functional group is present in propanone? \[ \mathrm{CH_3COCH_3} \]
- Which functional group is present in propanol? \[ \mathrm{C_3H_7OH} \]
- Which functional group is present in propanoic acid? \[ \mathrm{CH_3CH_2COOH} \]
- Hydroxyl / Alcohol (–OH)
- Aldehyde (–CHO)
- Ketone (>C=O)
- Carboxylic acid (–COOH)
- Hydroxyl / Alcohol
- Aldehyde
- Ketone / Carbonyl
- Carboxyl / Carboxylic acid
- Aldehyde
- Ketone
- Alcohol
- Carboxylic acid
Write the Functional Group Formula
Instruction: Write the structural formula of the functional group asked in each question.
- Write the functional group of alcohols.
- Write the functional group of aldehydes.
- Write the functional group of ketones.
- Write the functional group of carboxylic acids.
- Write the structural formula of the hydroxyl group.
- Write the structural formula of the aldehydic group.
- Write the structural formula of the ketonic group.
- Write the structural formula of the carboxyl group.
- \(\mathrm{-OH}\)
- \(\mathrm{-CHO}\)
- \(\mathrm{>C=O}\)
- \(\mathrm{-COOH}\)
- \(\mathrm{-OH}\)
- \(\mathrm{-CHO}\)
- \(\mathrm{>C=O}\)
- \(\mathrm{-COOH}\)

Comments