JEE Main 2014 (Offline) | Basics of Organic Chemistry Question 199 | Chemistry | JEE Main - ExamSIDE.com

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1

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

+4

-1

For the estimation of nitrogen, 1.4 g of organic compound was digested by Kjeldahl method and the evolved ammonia was absorbed in 60 mL of M/10 sulphuric acid. The unreacted acid required 20 ml of M/10 sodium hydroxide for complete neutralization. The percentage of nitrogen in the compound is:

A

3%

B

5%

C

6%

D

10%

2

JEE Main 2013 (Offline)

MCQ (Single Correct Answer)

+4

-1

The order of stability of the following carbocations :

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 198 English

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 198 English

A

$${\rm I}{\rm I}{\rm I} > {\rm I}{\rm I} > {\rm I}$$

B

$${\rm I}{\rm I} > {\rm I}{\rm I}{\rm I} > {\rm I}$$

C

$${\rm I} > {\rm I}{\rm I} > {\rm I}{\rm I}{\rm I}$$

D

$${\rm I}{\rm I}{\rm I} > {\rm I} > {\rm I}{\rm I}$$

3

AIEEE 2011

MCQ (Single Correct Answer)

+4

-1

Identify the compound that exhibits tautomerism.

A

Lactic acid

B

2-Pentanone

C

Pheno

D

2- Butene

4

AIEEE 2010

MCQ (Single Correct Answer)

+4

-1

Out of the following, the alkene that exhibits optical isomerism is

A

3–methyl–2–pentene

B

4–methyl–1–pentene

C

3–methyl–1–pentene

D

2–methyl–2–pentene

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