JEE Main Some Basic Principles of Organic Chemistry: Classification & Nomenclature

Q 11 :

Given below are two statements:

In the light of the above statements, choose the correct answer from the options given below. [2025]

Both statement I and statement II are true
Both statement I and statement II are false
Statement I is false but statement II is true
Statement I is true but statement II is false

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(1)

Q 12 :

Formation of ${Na}_{4} [Fe {(CN)}_{5} NOS]$ , a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of: [2025]

Sodium ion
Sulphate ion
Sulphide ion
Sulphite ion

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(3)

Q 13 :

Compounds that should not be used as primary standards in titrimetric analysis are: [2025]

A. ${Na}_{2} {Cr}_{2} O_{7}$

B. Oxalic acid

C. NaOH

D. ${FeSO}_{4} \cdot 6 H_{2} O$

E. Sodium tetraborate

Choose the most appropriate answer from the options given below:

B and D Only
D and E Only
C, D and E Only
A, C and D Only

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(4)

Q 14 :

Match the List-I with List-II [2025]

List-I List-II

(Reagent) (Functional group detected)

A. Sodium bicarbonate solution I. Double bond (unsaturation)

B. Neutral ferric chloride II. Carboxylic acid

C. Ceric ammonium nitrate III. Phenolic –OH

D. Alkaline ${KMnO}_{4}$ IV. Alcoholic –OH

Choose the correct answer from the options given below:

A-II, B-III, C-IV, D-I
A-III, B-II, C-IV, D-I
A-II, B-III, C-I, D-IV
A-II, B-IV, C-III, D-I

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(1)

Q 15 :

Match the LIST-I with LIST-II [2026]

List - I List - II

Chloro derivative Example

A. Vinyl chloride I. ${CH}_{2} = CH - {CH}_{2} Cl$

B. Benzyl chloride II. ${CH}_{3} - CH (Cl) {CH}_{3}$

C. Alkyl chloride III. ${CH}_{2} = CHCl$

D.

Allyl chloride

IV.

Choose the correct answer from the options given below:

A-I, B-II, C-IV, D-III
A-IV, B-I, C-III, D-II
A-III, B-IV, C-II, D-I
A-III, B-IV, C-I, D-II

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(3)

Common Name (Theory based)

Q 16 :

The IUPAC name of the following compound is : [2026]

n-propyl-1-bromo-4-methylhexanoate
2-bromo-5-methylhexylpropanoate
2-bromo-5-methylpropanoate
n-propyl-2-bromo-5-methylheptanoate

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(4)

Q 17 :

The IUPAC name for the following compound is:

2,5-dimethyl-5-carboxy-hex-3-enal
2,5-dimethyl-6-carboxy-hex-3-enal
2,5-dimethyl-6-oxo-hex-3-enoic acid
6-formyl-2-methyl-hex-3-enoic acid

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(3)

Conceptual

Q 18 :

The correct IUPAC nomenclature for the following compound is

2-methyl-5-oxo hexanoic acid
5-formyl-2-methyl hexanoic acid
2-Formyl-5-methyl hexan-6-oic acid
5-methyl-2-oxo hexan-6-oic acid

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(1)

2-methyl-5-oxo hexanoic acid

Q 19 :

In IUPAC nomenclature, the correct order of decreasing priority of functional group is: [2026]

$- {CONH}_{2}, > C = O, - CHO, - {NH}_{2}, - C \equiv C -$
$- {CONH}_{2}, - {COOCH}_{3}, - CHO, - {NH}_{2}, - OH$
$- {CONH}_{2}, - CHO, > C = O, - {NH}_{2}, - C \equiv C -$
$- {CONH}_{2}, - CHO, - CN, - {NH}_{2}, - C \equiv C -$

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The order of decreasing priority for some functional groups is: $- COOH$ , $- {SO}_{3} H$ , $- COOR$ ( $R = alkyl group$ ), $COCl$ , $- {CONH}_{2}$ , $- CN$ , $- HC = O$ , $> C = O$ , $- OH$ , $- {NH}_{2}$ , $> C = C <$ , $- C \equiv C -$

Q 20 :

Identify the correct IUPAC name of hydrocarbon ( $x$ ) containing three primary carbon atoms and with molar mass $72 {g mol}^{- 1}$ . [2026]

$1, 1 - Dimethylcyclopropane$
$2, 2 - Dimethylpropane$
$2 - Methylbutane$
$n - pentane$

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Compounds	Number of primary carbons	Molar mass
[IMAGE 150]	2	70
[IMAGE 151]	4	72
[IMAGE 152]	3	72
[IMAGE 153]	2	72

Topic Question Set

Q 11 :

Given below are two statements:

In the light of the above statements, choose the correct answer from the options given below. [2025]

(1)

Q 12 :

Formation of ${Na}_{4} [Fe {(CN)}_{5} NOS]$ , a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of: [2025]

(3)

Q 13 :

Compounds that should not be used as primary standards in titrimetric analysis are: [2025]

A. ${Na}_{2} {Cr}_{2} O_{7}$

B. Oxalic acid

C. NaOH

D. ${FeSO}_{4} \cdot 6 H_{2} O$

E. Sodium tetraborate

Choose the most appropriate answer from the options given below:

(4)

(1)

Q 16 :

The IUPAC name of the following compound is : [2026]

Q 17 :

The IUPAC name for the following compound is:

Q 18 :

The correct IUPAC nomenclature for the following compound is

Q 19 :

In IUPAC nomenclature, the correct order of decreasing priority of functional group is: [2026]

Q 20 :

Identify the correct IUPAC name of hydrocarbon ( $x$ ) containing three primary carbon atoms and with molar mass $72 {g mol}^{- 1}$ . [2026]

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	List-I		List-II
	(Reagent)		(Functional group detected)
A.	Sodium bicarbonate solution	I.	Double bond (unsaturation)
B.	Neutral ferric chloride	II.	Carboxylic acid
C.	Ceric ammonium nitrate	III.	Phenolic –OH
D.	Alkaline ${KMnO}_{4}$	IV.	Alcoholic –OH

Topic Question Set

Q 11 : Given below are two statements: In the light of the above statements, choose the correct answer from the options given below. [2025]

(1)

Q 12 : Formation of Na4[Fe(CN)5NOS], a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of: [2025]

(3)

Q 13 : Compounds that should not be used as primary standards in titrimetric analysis are: [2025] A. Na2Cr2O7 B. Oxalic acid C. NaOH D. FeSO4·6H2O E. Sodium tetraborate Choose the most appropriate answer from the options given below:

(4)

(1)

Q 15 : Match the LIST-I with LIST-II [2026] List - I List - II Chloro derivative Example A. Vinyl chloride I. CH2=CH–CH2Cl B. Benzyl chloride II. CH3–CH(Cl)CH3 C. Alkyl chloride III. CH2=CHCl D. Allyl chloride IV. Choose the correct answer from the options given below:

Q 16 : The IUPAC name of the following compound is : [2026]

Q 17 : The IUPAC name for the following compound is:

Q 18 : The correct IUPAC nomenclature for the following compound is

Q 19 : In IUPAC nomenclature, the correct order of decreasing priority of functional group is: [2026]

Q 20 : Identify the correct IUPAC name of hydrocarbon (x) containing three primary carbon atoms and with molar mass 72 g mol-1. [2026]

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Q 11 :

Given below are two statements:

In the light of the above statements, choose the correct answer from the options given below. [2025]

Q 12 :

Formation of ${Na}_{4} [Fe {(CN)}_{5} NOS]$ , a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of: [2025]

Q 13 :

Compounds that should not be used as primary standards in titrimetric analysis are: [2025]

A. ${Na}_{2} {Cr}_{2} O_{7}$

B. Oxalic acid

C. NaOH

D. ${FeSO}_{4} \cdot 6 H_{2} O$

E. Sodium tetraborate

Choose the most appropriate answer from the options given below:

Q 16 :

The IUPAC name of the following compound is : [2026]

Q 17 :

The IUPAC name for the following compound is:

Q 18 :

The correct IUPAC nomenclature for the following compound is

Q 19 :

In IUPAC nomenclature, the correct order of decreasing priority of functional group is: [2026]

Q 20 :

Identify the correct IUPAC name of hydrocarbon ( $x$ ) containing three primary carbon atoms and with molar mass $72 {g mol}^{- 1}$ . [2026]