Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 136

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Chlorination of butane takes place as,

Consider the following relative reactivity of $C - H$ bonds for chlorination.

Degree of $C - H$ $1 ° C - H$ $2 ° C - H$ $3 ° C - H$

Relative reactivity for chlorination $(RR)$ $1$ $3$ $5$

Percentage yield of $2$ - chlorobutane will be:

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 137

Chlorination of propane is carried out in the presence of sunilght. The

%

yield of major and minor alkyl halides will be:

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 138

Arrange-the following alkenes in decreasing order of reactivity towards electrophilic addition:

( $i$ ) Question Image

( $ii$ ) ${CH}_{3} - CH = {CH}_{2}$
( $iii$ ) ${CH}_{2} = CH - Cl$
( $iv$ ) ${CH}_{2} = CH - {CH}_{2} - Cl$

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 139

In the given reaction, Question Image

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then

X

will be:

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 140

Which of the following cases have correct direction of I effect?

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 141

Which of the following is the strongest -

I

group:

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 142

Which is correct order of

+

I

effect.

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 143

Which of the following statement is not true about the resonance contributing structures to a resonance hybrid

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 2>Q 144

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