NEET Test Series from KOTA - 10 Papers In MS WORD
WhatsApp Here
GENERAL ORGANIC CHEMISTRY
231842
The IUPAC name of the following compound is
1 3-bromo-5-methylcyclopentane carboxylic acid
2 3-bromo-5-methylcyclopentanoic acid
3 5-bromo-3-methylcyclopentanoic acid
4 4-bromo-2- methylcyclopentane carboxylic acid
Explanation:
The IUPAC name of compound is - 4-Bromo-2-methylcyclopentane carboxylic acid
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231843
The IUPAC name of the following compounds is
1 2-nitro-4-hydroxymethyl-5-amino benzaldehyde
2 3-amino-4-hydroxymethyl-1-5nitrobenzaldehyde
3 5-amino-4-hydroxymethyl-2nitrobenzaldehyde
4 4-amino-2-formyl-5-hydroxymethylnitrobenzene
Explanation:
IUPAC name of the compound is given on the basis of Lowest Sum Rule. 5-amino-4-hydroxy methyl-2-nitrobenzaldehyde If numbering is done from Nitro group side first then it follow lowest sum rule $2+4+5=11$ if numbering is done from opposite side of $\mathrm{NO}_{2}$ group then it does not follow lowest sum rule $3+4+6=13$
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231844
The IUPAC name of the following compound is
1 4,4-dimethyl-3-hydroxybutanoic acid
2 2-methyl-3-hydroxypentan-5-oic acid
3 3-hydroxy-4-methylpentanoic acid
4 4-methyl-3-hydroxypentanoic acid
Explanation:
The IUPAC name of compound is - 3-Hydroxy-4-methylpentanoic acid In this compound $\mathrm{COOH}$ is $2^{\circ}$ suffix and $\mathrm{OH}$ is $2^{\circ}$ prefix.
JEE Main 2019
GENERAL ORGANIC CHEMISTRY
231845
The correct IUPAC name of the following compound is
1 2-methyl-5-nitro-1-chlorobenzene
2 3-chloro-1-methyl-1-nitrobenzene
3 2-chloro-1-methyl-4-nitrobenzene
4 5-chloro-4-methyl-1-1-nitrobenzene
Explanation:
The IUPAC name of compound is - 2-Chloro-1-methyl,4-nitrobenzene
231842
The IUPAC name of the following compound is
1 3-bromo-5-methylcyclopentane carboxylic acid
2 3-bromo-5-methylcyclopentanoic acid
3 5-bromo-3-methylcyclopentanoic acid
4 4-bromo-2- methylcyclopentane carboxylic acid
Explanation:
The IUPAC name of compound is - 4-Bromo-2-methylcyclopentane carboxylic acid
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231843
The IUPAC name of the following compounds is
1 2-nitro-4-hydroxymethyl-5-amino benzaldehyde
2 3-amino-4-hydroxymethyl-1-5nitrobenzaldehyde
3 5-amino-4-hydroxymethyl-2nitrobenzaldehyde
4 4-amino-2-formyl-5-hydroxymethylnitrobenzene
Explanation:
IUPAC name of the compound is given on the basis of Lowest Sum Rule. 5-amino-4-hydroxy methyl-2-nitrobenzaldehyde If numbering is done from Nitro group side first then it follow lowest sum rule $2+4+5=11$ if numbering is done from opposite side of $\mathrm{NO}_{2}$ group then it does not follow lowest sum rule $3+4+6=13$
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231844
The IUPAC name of the following compound is
1 4,4-dimethyl-3-hydroxybutanoic acid
2 2-methyl-3-hydroxypentan-5-oic acid
3 3-hydroxy-4-methylpentanoic acid
4 4-methyl-3-hydroxypentanoic acid
Explanation:
The IUPAC name of compound is - 3-Hydroxy-4-methylpentanoic acid In this compound $\mathrm{COOH}$ is $2^{\circ}$ suffix and $\mathrm{OH}$ is $2^{\circ}$ prefix.
JEE Main 2019
GENERAL ORGANIC CHEMISTRY
231845
The correct IUPAC name of the following compound is
1 2-methyl-5-nitro-1-chlorobenzene
2 3-chloro-1-methyl-1-nitrobenzene
3 2-chloro-1-methyl-4-nitrobenzene
4 5-chloro-4-methyl-1-1-nitrobenzene
Explanation:
The IUPAC name of compound is - 2-Chloro-1-methyl,4-nitrobenzene
231842
The IUPAC name of the following compound is
1 3-bromo-5-methylcyclopentane carboxylic acid
2 3-bromo-5-methylcyclopentanoic acid
3 5-bromo-3-methylcyclopentanoic acid
4 4-bromo-2- methylcyclopentane carboxylic acid
Explanation:
The IUPAC name of compound is - 4-Bromo-2-methylcyclopentane carboxylic acid
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231843
The IUPAC name of the following compounds is
1 2-nitro-4-hydroxymethyl-5-amino benzaldehyde
2 3-amino-4-hydroxymethyl-1-5nitrobenzaldehyde
3 5-amino-4-hydroxymethyl-2nitrobenzaldehyde
4 4-amino-2-formyl-5-hydroxymethylnitrobenzene
Explanation:
IUPAC name of the compound is given on the basis of Lowest Sum Rule. 5-amino-4-hydroxy methyl-2-nitrobenzaldehyde If numbering is done from Nitro group side first then it follow lowest sum rule $2+4+5=11$ if numbering is done from opposite side of $\mathrm{NO}_{2}$ group then it does not follow lowest sum rule $3+4+6=13$
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231844
The IUPAC name of the following compound is
1 4,4-dimethyl-3-hydroxybutanoic acid
2 2-methyl-3-hydroxypentan-5-oic acid
3 3-hydroxy-4-methylpentanoic acid
4 4-methyl-3-hydroxypentanoic acid
Explanation:
The IUPAC name of compound is - 3-Hydroxy-4-methylpentanoic acid In this compound $\mathrm{COOH}$ is $2^{\circ}$ suffix and $\mathrm{OH}$ is $2^{\circ}$ prefix.
JEE Main 2019
GENERAL ORGANIC CHEMISTRY
231845
The correct IUPAC name of the following compound is
1 2-methyl-5-nitro-1-chlorobenzene
2 3-chloro-1-methyl-1-nitrobenzene
3 2-chloro-1-methyl-4-nitrobenzene
4 5-chloro-4-methyl-1-1-nitrobenzene
Explanation:
The IUPAC name of compound is - 2-Chloro-1-methyl,4-nitrobenzene
231842
The IUPAC name of the following compound is
1 3-bromo-5-methylcyclopentane carboxylic acid
2 3-bromo-5-methylcyclopentanoic acid
3 5-bromo-3-methylcyclopentanoic acid
4 4-bromo-2- methylcyclopentane carboxylic acid
Explanation:
The IUPAC name of compound is - 4-Bromo-2-methylcyclopentane carboxylic acid
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231843
The IUPAC name of the following compounds is
1 2-nitro-4-hydroxymethyl-5-amino benzaldehyde
2 3-amino-4-hydroxymethyl-1-5nitrobenzaldehyde
3 5-amino-4-hydroxymethyl-2nitrobenzaldehyde
4 4-amino-2-formyl-5-hydroxymethylnitrobenzene
Explanation:
IUPAC name of the compound is given on the basis of Lowest Sum Rule. 5-amino-4-hydroxy methyl-2-nitrobenzaldehyde If numbering is done from Nitro group side first then it follow lowest sum rule $2+4+5=11$ if numbering is done from opposite side of $\mathrm{NO}_{2}$ group then it does not follow lowest sum rule $3+4+6=13$
JEE Main 2020
GENERAL ORGANIC CHEMISTRY
231844
The IUPAC name of the following compound is
1 4,4-dimethyl-3-hydroxybutanoic acid
2 2-methyl-3-hydroxypentan-5-oic acid
3 3-hydroxy-4-methylpentanoic acid
4 4-methyl-3-hydroxypentanoic acid
Explanation:
The IUPAC name of compound is - 3-Hydroxy-4-methylpentanoic acid In this compound $\mathrm{COOH}$ is $2^{\circ}$ suffix and $\mathrm{OH}$ is $2^{\circ}$ prefix.
JEE Main 2019
GENERAL ORGANIC CHEMISTRY
231845
The correct IUPAC name of the following compound is
1 2-methyl-5-nitro-1-chlorobenzene
2 3-chloro-1-methyl-1-nitrobenzene
3 2-chloro-1-methyl-4-nitrobenzene
4 5-chloro-4-methyl-1-1-nitrobenzene
Explanation:
The IUPAC name of compound is - 2-Chloro-1-methyl,4-nitrobenzene
