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 )

EASY

JEE Main

IMPORTANT

Earn 100

Which of the following is a FALSE statement?

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 26 August 2021 Shift 2>Q 81

The number of stereoisomers possible for

1, 2

-dimethyl cyclopropane is:

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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 - 26 August 2021 Shift 2>Q 82

In the sulphur estimation,

0.471 g

of an organic compound gave

1.44 g

of barium sulfate. The percentage of sulphur in the compound is. (Nearest integer) (Atomic Mass of

Ba = 137 u

)

EASY

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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 2021 Shift 2>Q 83

Which among the following is the strongest acid?

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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 2021 Shift 2>Q 84

0.8 g

of an organic compound was analysed by Kjeldahl's method for the estimation of nitrogen. If the percentage of nitrogen in the compound was found to be

42 %

, then.......

mL

1 M

H_{2} {SO}_{4}

would have been neutralized by the ammonia evolved during the analysis.

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 25 July 2021 Shift 1>Q 85

Which one among the following resonating structures is not correct?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 25 Feb 2021 Shift 2>Q 86

Which of the following compound is added to the sodium extract before addition of silver nitrate for testing of halogens?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 25 Feb 2021 Shift 2>Q 87

The correct order of acid character of the following compounds is :

Question Image

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 25 Feb 2021 Shift 1>Q 88

Complete combustion of

1.80 g

of an oxygen containing compound

(C_{x} H_{y} O_{z})

gave

2.64 g

{CO}_{2}

and

1.08 g

H_{2} O .

The percentage of oxygen in the organic compound is :

Which of the following is a FALSE statement?

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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