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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Sodium extract is heated with concentrated $H N O_{3}$ before testing for halogens because :

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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 - 10th April 2016>Q 117

The

N

which contribute least to the basicity of the compound 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 - 10th April 2015>Q 118

1.4 g of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in 60 mL of M/10

H_{2} S O_{4}

solution. The excess sulphuric acid required 20 mL of M/10 NaOH solution for neutralization. The percentage of nitrogen in the 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 - 10th April 2015>Q 119

The optically inactive compound from the following is:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 10th April 2015>Q 120

The correct order of basicity is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 1 September 2021 Shift 2>Q 121

The potassium ferrocyanide solution gives a Prussian blue colour, when added to :

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 24 June 2022 Shift 1>Q 122

0.166 g

sample of an organic compound was digested with conc.

H_{2} {SO}_{4}

and then distilled with

NaOH

. The ammonia gas evolved was passed through

50.0 mL

0.5 N H_{2} {SO}_{4}

. The used acid required

30.0 mL

0.25 N NaOH

for complete neutralization. The mass percentage of nitrogen in the organic compound 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 - 24 June 2022 Shift 1>Q 123

Number of electrophillic centres in the given 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 - 24 June 2022 Shift 2>Q 124

120 g

of an organic compound which contains only carbon and hydrogen on complete combustion gives

330 g

{CO}_{2}

and

270 g

of water. The percentage of carbon and hydrogen in the organic compound are respectively

Sodium extract is heated with concentrated HNO3 before testing for halogens because :

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Sodium extract is heated with concentrated $H N O_{3}$ before testing for halogens because :