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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IMPORTANT

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The number of stereoisomers possible for $1, 2$ -dimethyl cyclopropane is:

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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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 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

)

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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.

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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 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?

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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 87

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

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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 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 :

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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 1>Q 89

Using the provided information in the following paper chromatogram:

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The calculated $R_{f}$ value of $A is_____\times 10^{- 1}$ .

The number of stereoisomers possible for 1,2 -dimethyl cyclopropane is:

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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The number of stereoisomers possible for $1, 2$ -dimethyl cyclopropane is: