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

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

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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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

of

{CO}_{2}

and

1.08 g

of

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 $A is_____\times 10^{- 1}$ .

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 24 Feb 2021 Shift 2>Q 90

The formula of a gaseous hydrocarbon which requires 6 times of its own volume of

O_{2}

for complete oxidation and produces

4

times its own volume of

{CO}_{2}

is

C_{x} H_{y} .

The value of

y

is ________.

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 22 July 2021 Shift 1>Q 91

Which purification technique is used for high boiling organic liquid compound (decomposes near its boiling point) ?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 22 July 2021 Shift 1>Q 92

Which of the following molecules does not show stereo isomerism ?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 22 July 2021 Shift 1>Q 93

The number of acyclic structural isomers (including geometrical isomers) for pentene are

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 22 - Organic Chemistry- Some Basic Principles and Techniques>JEE Main - 20 July 2021 Shift 2>Q 94

Which one of the following pairs of isomers is an example of metamerism?