Given below are two statements: Statement I: Sulphanilic acid gives esterification test for carboxyl group. Statement II: Sulphanilic acid gives red colour in Lassigne’s test for extra element detection. In the light of the above statements, choose the most appropriate answer from the options given below:

Statement I is incorrect but Statement II is correct.

Statement I is correct but Statement II is incorrect.

Both Statement I and Statement II are incorrect

Both Statement I and Statement II are correct

Match items of column I and II Column I (Mixture of compounds) Column II (Separation Technique) A. H 2 O / CH 2 Cl 2 i. Crystallization B. ii. Differential solvent extraction C. Kerosene/Naphthalene iii. Column chromatography D. C 6 H 12 O 6 / NaCl iv. Fractional Distillation

A - ( ii ) , B - ( iii ) , C - ( iv ) , D - ( i )

A - ( iii ) , B - ( iv ) , C - ( ii ) , D - ( i )

A - ( i ) , B - ( iii ) , C - ( ii ) , D - ( iv )

A - ( ii ) , B - ( iv ) , C - ( i ) , D - ( iii )

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The number of ${sp}^{3}$ hybridised carbons in an acyclic neutral compound with molecular formula $C_{4} H_{5} N$ is

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 25 July 2022 Shift 2>Q 150

Arrange the following in decreasing acidic strength.

Question Image

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 25 July 2022 Shift 2>Q 151

The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance

A

and substance

B

from the base line are

3.25 cm . 2.08 cm

and

1.05 cm

. respectively. The ratio of

R_{f}

values of

A

B

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 26 July 2022 Shift 1>Q 152

Which technique among the following, is most appropriate in separation of a mixture of

100 mg

p

-nitrophenol and picric acid?

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 26 July 2022 Shift 1>Q 153

Which of the following compounds is not aromatic?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 26 July 2022 Shift 2>Q 154

The correct decreasing order of priority of functional groups in naming an organic compound as per IUPAC system of nomenclature is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 26 July 2022 Shift 2>Q 155

Which of the following is not an example of benzenoid compound?

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 26 July 2022 Shift 2>Q 156

Total number of isomers (including stereoisomers) obtain on monochlorination of methylcyclohexane is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 27 July 2022 Shift 1>Q 157

In Carius method of estimation of halogen.

0.45 g

of an organic compound gave

0.36 g

AgBr

. Find out the percentage of bromine in the compound.
(Molar masses :

AgBr = 188 g {mol}^{- 1} : Br = 80 g {mol}^{- 1}

)

The number of sp3 hybridised carbons in an acyclic neutral compound with molecular formula C4H5N is

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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The number of ${sp}^{3}$ hybridised carbons in an acyclic neutral compound with molecular formula $C_{4} H_{5} N$ is