Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 1>Q 117

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How many lone pairs of electrons are there in the given compound?

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 1>Q 118

Among the following, the total number of compounds which give positive Lassaigne's test for nitrogen is/are_____

$i$	${NH}_{2} OH$
$ii$	$H_{2} N - {NH}_{2}$
$iii$	$H_{2} N - CO - {NH}_{2}$
$iv$	$H_{2} N - C_{6} H_{4} - COOH$
$v$	$H_{2} N - CS - {NH}_{2}$
$vi$	$H_{2} N - C_{6} H_{4} - {SO}_{3} H$

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 1>Q 119

Among the following compounds, how many compounds are more acidic in nature as compared to benzoic acid?
$p -$ methoxybenzoic acid, ethanol, $p -$ nitrobenzoic acid, phenol, sulphuric acid, picric acid, $p -$ chlorobenzoic acid.

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 1>Q 120

If the number of

σ

and

π

bonds in vinyl acetate are

x

and

y

, respectively. What is the sum of

x + y

?

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 2>Q 1

Among the given compounds identify the pair of geometrical isomers:-

Question Image

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 2>Q 2

Which of the following compounds does not have geometrical isomers:

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 2>Q 3

Which of the following compound can show geometrical isomerism:

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 2>Q 4

Which of the following will show cis-trans isomerism :-

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Chemistry Crash Course JEE Main>Chapter 17 - Organic Chemistry- Some Basic Principles and Techniques>Level 2>Q 5

Which of the following isomerism is not shown by the compounds having molecular formula

C_{4} H_{10} O

?