Functional Group

Q. What is the structural formula of 3-ethyl-4-(1-methylpropyl)-2, 2-dimethyloctane ?

Q.

The IUPAC name of ethyl isopropyl ketone is

1. $2-\mathrm{methyl}-3-\mathrm{pentanone}$

2. $4-\mathrm{methyl}-3-\mathrm{pentanone}$

3. $4,4-\mathrm{dimethyl}-3-\mathrm{butanone}$

4. $1,1-\mathrm{dimethyl}-2-\mathrm{butanone}$

Q. what are the isomers of acetone

Q.

The two Compounds shown in the figure below are

1. Diastereomers

2. Enantiomers

3. Epimers

4. Regiomers

Q. Name the correct suffix used for Sulphonic acid ?

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

Q. The volume of 0.05N Na2CO3, solution required to neutralise 200ml of 0.02M H2SO4solution is1) 80ml3) 160ml2) 140ml4) 240ml

Q.

In the following compound the no of primary carbon atoms are:

1. 3

2. 4

3. 5

4. 6

Q.

Alkyl radical stability increases as we proceed from:

1. Ethyl free radical<Methyl free radical< Isopropyl free radical

2. Isopropyl free radical< Methyl free radical<Ethyl free radical

3. Methyl free radical<Ethyl free radical< Isopropyl free radical

4. Ethyl free radical< Isopropyl free radical<Methyl free radical

Q. What is the name of given organic compound ?

1. Cyclobutanesulphonic acid
   
2. Cyclobutanecarboxylic acid
3. sulphonic acid-1-cyclobutane
4. Cyclobutane-1-carboxylic acid

Q.

The molecular formula of diphenyl methane,

How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom

1. 8

2. 7

3. 6

4. 4

Q. Two litres of NH3 at 273 K and 1 atm pressure neutralised 134 cm3 of a solution of sulphuric acid.The normality of the acid is(1) 1.37 N(3) 0.93 N(2) 0.67 N(4) 1.12 N

Q.

Identify and name the functional group present in the following compound: ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}={\mathrm{CH}}_2$

Q. Arrange the following in increasing order of acidic strength Na2O, Cl2O. NO2, N2O, P2O5

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. 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. 31. Which of the following sodium compound / compounds are formed when an organic compound containing both nitrogen and sulphur are fused with sodium? 1. Cyanide and sulphide 2. Thiocyanate 3. Sulphite and cyanide 4. Nitrate and sulphide

Q. The functional group $-COOR$ and $-COX$ (X=F, Cl, Br, I) respectively represent :

1. Carboxylic acid, Ester
2. Ester, Carboxylic acid
3. Acid halide, Carboxylic acid
4. Ester, Acid halide

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

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

Q. Formula for ISO cyanide

Q. If internal energy of ortho hydrogen is greater than para hydrogen then how ortho hydrogen is more stable than para hydrogen?

Q. How to convert fisher formula to newman formula

Q. The functional group $(-N{H}_2,-N{R}_2,-NHR)$ represent :

1. Amide
2. Amine
3. Isonitrile
4. Nitrile

Q.

Inter-molecular hydrogen bonding is expected in $HF,C{H}_4,C{H}_{3}OH,N_2{O}_4$

1. In all except one

2. in two of the given

3. In all

4. in none

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. 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 correct nomenclature of the folowing compound?

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

Q. Which of the following is the correct structure of Ethanenitrile?

1. 
2. 
3. 
4. 

Q. The correct IUPAC name of the given compound is
$I-\underset{\underset{F}{|}}{C}=\underset{\underset{Cl}{|}}{C}-C\equiv C-OC{H}_3$

1. $\text{3-Chloro-1-fluoro-1-iodo-4-methoxybut-1-en-3-yne}$
2. $\text{4-Methoxy-2-chloro-1-fluoro-1-en-2-yne}$
3. $\text{3-Chloro-4-fluoro-4-iodo-1-methoxybut-1-en-2-yne}$
4. $\text{2-Chloro-1-fluoro-1-iodo-4-methoxybut-1-en-3-yne}$

Q. How many Ketone is/are possible for molecular formula C4H8O?

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

1. 
2. 
3. 
4.