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 )

HARD

JEE Main

IMPORTANT

Earn 100

Among the following structures, which will show the most stable enamine formation?

(Where $Me$ is $- {CH}_{3}$ )

19.23% studentsanswered this correctly

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 27 June 2022 Shift 1>Q 134

Which of the following is structure of a separating funnel?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 27 June 2022 Shift 2>Q 137

0.25 g

of an organic compound containing chlorine gave

0.40 g

of silver chloride in Carius estimation. The percentage of chlorine present in the compound is [in nearest integer]
(Given: Molar mass of

Ag

108 g {mol}^{- 1}

and that of

Cl

35.5 g {mol}^{- 1}

)

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 28 June 2022 Shift 1>Q 139

Which of the following structures are aromatic in nature?

Question Image

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 28 June 2022 Shift 1>Q 141

In the estimation of bromine,

0.5 g

of an organic compound gave

0.40 g

of silver bromide. The percentage of bromine in the given compound is______

%

(nearest integer)
(Relative atomic masses of

Ag

and

Br

are

108 u

and

80 u

, respectively).

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 29 June 2022 Shift 1>Q 143

Given below are two statements.

Statement I : Phenols are weakly acidic.

Statement II : Therefore they are freely soluble in $NaOH$ solution and are weaker acids than alcohols and water.

Choose the most appropriate option

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 29 June 2022 Shift 1>Q 144

Kjeldahl's method was used for the estimation of nitrogen in an organic compound. The ammonia evolved from

0.55 g

of the compound neutralised

12.5 mL

1 M H_{2} {SO}_{4}

solution. The percentage of nitrogen in the compound is (Nearest integer)

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 29 June 2022 Shift 2>Q 146

Which of the following carbocations is most stable:

HARD

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 1>Q 148

While estimating the nitrogen present in an organic compound by Kjeldahl's method, the ammonia evolved from

0.25 g

of the compound neutralized

2.5 mL

2 {MH}_{2} {SO}_{4}

. The percentage of nitrogen present in organic compound is _____ .

Among the following structures, which will show the most stable enamine formation? (Where Me is -CH3)

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

Learn and Prepare for any exam you want !

Among the following structures, which will show the most stable enamine formation?

(Where $Me$ is $- {CH}_{3}$ )