Functional Group

Q. The name of below compound according to IUPAC nomenclature system is:

1. 1, 4-Dichloro-2, 3-dibromobut-2-ene
2. Dichlorobromobutene
3. Dichlorobromobutane
4. 2, 3-Dibromo-1, 4-dichlorobut-2-ene

Q. The IUPAC name of the following structure is

1. N-N-methylpropylbutanamine
2. N-methyl-N-propylbutan-1-amine
3. N-butyl-N-propylmethan-1-amine
4. N-butyl-N-methylpropyl-1-amine

Q. Name the correct suffix used for aldehyde and alcohol respectively ?

1. -al and -ol
2. -ol and -al
3. -thiol and -thial
4. -one and -ane

Q. Identify the correct structure of 3-methylidenepenta-1, 4-diene.

1. 
2. 
3. 
4. 

Q. Which is the wrong IUPAC name of chlorocyclohexane-dione?

1. 3-Chloro-1, 4-cyclohexanedione
2. 2-Chloro-1, 3-cyclohexanedione
3. 4-Chloro-1, 3-cyclohexanedione
4. 5-Chloro-1, 3-cyclohexanedione

Q. Which of the following is a functional group?

1. -OH
2. -COOH
3. Double bond
4. Triple bond

Q. Name the correct suffix used for Sulphonic acid ?

1. oic acid
2. sulphonic acid
3. onic acid
4. oate acid

Q. The IUPAC name of the

1. 4 - Oxobenzoic acid
2. 4 - formyl benzoic acid
3. 4- Formylcyclohexane-1-carboxylic acid
4. None of these

Q. What is the correct IUPAC name of the compound given below?

1. $\text{4-(propoxycarbonyl)cyclohexanecarboxylic acid}$
2. $\text{4-(butoxycarbonyl)cyclohexanecarboxylic acid}$
   
3. $\text{6-(propoxyloxy)cyclohexanecarboxylic acid}$
4. $\text{4-(butanoyloxy)cyclohexanecarboxylic acid}$

Q. Choose functional group from among the following.

1. -Cl
2. -COOH
3. -Br
4. -Me

Q. In the IUPAC name of following compound, there is something wrong. Find the mistake.
N-Ethyl-6-oxo-5-propylheptanamide

1. Principal functional group is incorrectly chosen
2. Incorrect prefix for locant is used
3. Parent chain is incorrectly selected
4. Locants name is not written in order of priority recommended by IUPAC

Q. What is the name of the functional group present in the following compound?

1. Sulphonic acid
2. Carboxylate
3. Aldehyde
4. Ketone

Q. Alcohol and thiol functional groups are present in which of the following compounds?

1. 
2. 
3. 
4. 

Q. How many functional groups are present in this molecule?

1. 10
2. 11
3. 12
4. 13

Q. A ketone has molar mass 86. Which of the following cannot be IUPAC name of this ketone?

1. Pentan-2-one
2. Pentan-3-one
3. 3-Methylbutanone
4. 2-Methylbutan-2-one

Q. Which of the following compound is wrongly named ?

1. $C{H}_{3}C{H}_{2}C{H}_2\underset{\underset{Cl}{|}}{C}HCOOH$
   2-Chloropentanoic acid
2. $C{H}_{3}C\equiv C\underset{\underset{Cl}{|}}{C}HCOOH$
   2-Methylhex-3-enoic acid
3. $C{H}_{3}C{H}_{2}CH=CHCOC{H}_3$
   Hex-3-en-2-one
4. $C{H}_3-\underset{\underset{C{H}_3}{|}}{C}HC{H}_{2}C{H}_{2}CHO$
   4-Methylpentanal

Q. What is the correct IUPAC nomenclature of the following compound?

1. Propyl propanoate
2. Propyl butanoate
3. Butyl butanoate
4. 2-methyl butanoate

Q. What is the correct nomenclature of the folowing compound?

1. Ethyl 3-ethoxypropanoate
2. Methyl 3-ethoxypropanoate
3. Ethyl 3-methoxypropanoate
4. Methyl 3-methoxypropanoate

Q. What is the correct nomenclature of the following compound?

1. 2-chloropent-4-yne
2. 4-chloropent-2-yne
3. 1-chloropent-4-yne
4. 4-chloropent-1-yne

Q. A hydrocarbon has molecular formula $X\left(C_6{H}_6\right).$ Also, X has triple bonds as the only type of unsaturation, i.e., it has neither double bonds nor any ring structure. How many different IUPAC name can be assigned to X?

1. 5
2. 4
3. 3
4. 7