Aldehyde

Q.

Draw the structures of the following compounds.

3 - methyl butanal

p-nitro propiophenone

p- methyl benzaldehyde

4-methyl pent -3-en-one

4-chloro pentan-2-one

3-bromo-4-phenyl pentanoic acid

p, p' - dihydroxyl benzophenone

Hex-2-en-4-ynoic acid

Q. What are the prefix and suffix for -CHO?

1. carboxo, carbohydrate
2. formyl, al
3. oxo, al
4. carbohydro, al

Q. The correct IUPAC name for $C{H}_2=CHC{H}_{2}NHC{H}_3$ is

1. Allylethylamine
2. 2-amino-4-pentene
3. 4-amino-pent-1-ene
4. N-methylprop-2-en-1-amine

Q. Predict the product ‘B’ in the sequence of reaction CH CH $CH\equiv \underset{HgS{O}_4}{\overset{30\%H_{2}S{O}_4}{\to }}A\stackrel{NaOH}{\to }B$

1. 2-hydroxy butanal
2. sodium acetate
3. acetic acid
4. acetaldehyde

Q. Which of the following is a correct priority order of functional groups?

1. $-COOH,-S{O}_{3}H,-N{H}_2,-CON{H}_2$
2. $-CHO,-S{O}_{3}H,,-OH,-N{H}_2$
3. $-S{O}_{3}H,-COOH,-CHO,-OH$
4. $-S{O}_{3}H>-COOR>-OH>-COCl$

Q.

Identify the functional groups in the following compounds

(a)

(b)

(c)

Q. The correct IUPAC name for following compound is:

1. 4-ethyl-3-propyl-hex-1-ene
2. 3-ethyl-4-ethenyl-heptane
3. 3-ethyl-4-propyl-hex-5-ene
4. 3-(1-ethylpropyl)-hex-1-ene

Q. Which of the following is an example of $1^{\circ }$ amine?

1. Ethylene diamine
2. Dimethyl amine
3. Trimethyl amine
4. N-methyl aniline

Q. Butan-1-amine structure is shown as:

1. 
2. 
3. 
4. 

Q. The correct IUPAC nomenclature of the following molecule is:

1. 3-hydroxy-2, 5-dioxopentanal
2. 3-hydroxy-4-oxopentanal
3. 3-hydroxy-1, 4-dioxopentanal
4. 3-hydroxy-5-oxopentanone

Q. The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is

1. $-COOH,-S{O}_{3}H,-CON{H}_2,-CHO$
2. $-S{O}_{3}H,-COOH,-CON{H}_2,-CHO$
3. $-CHO,-COOH,-S{O}_{3}H,-CON{H}_2$
4. $-CON{H}_2,-CHO,-S{O}_{3}H,-COOH$

Q. Propanal on reaction with dilute sodium hydroxide forms:

1. $C{H}_{3}C{H}_{2}CH\left(OH\right)C{H}_{2}C{H}_{2}CHO$
2. $C{H}_{3}C{H}_{2}C{H}_{2}CH\left(OH\right)C{H}_{2}CHO$
3. $C{H}_{3}C{H}_{2}C{H}_{2}C{H}_{2}C{H}_{2}CHO$
4. $C{H}_{3}C{H}_{2}CH\left(OH\right)CH\left(C{H}_3\right)CHO$

Q. Salicylic acid on bromination gives:

1. $2,4,6-tribromo$ salicyclic acid
2. $2,4,6-tribromo$ benzoic acid
3. $2,4,6-tribromo$ phenol
4. $p-bromo$ salicylic acid

Q. How to name compounds in functional group

Q. Arrange the following in order of increasing acidity.
Propanoic acid, chloroethanoic acid, 3-bromo-propanoic acid and trichloroacetic acid

Q. Name the following alkyl groups:

Q. Name the following compound.

1. None of these
2. 3-methyl-4-formyl-but-2-ene
3. 2-methyl-but-3-en-1-al
4. 2-methyl-but-2-en-1-al

Q.
The correct IUPAC name of given compouns is:

1. 2-Methylbutanoic acid
2. 2-Ethylprop-2-enoic acid
3. 2-Carboxybutane
4. None of the above

Q. IUPAC NAME OF NC-CH2-CH2-COOH

Q. The correct IUPAC nomenclature of the following molecule is:

1. 3-hydroxy-2, 5-dioxopentanal
2. 3-hydroxy-4-oxopentanal
3. 3-hydroxy-1, 4-dioxopentanal
4. 3-hydroxy-5-oxopentanone