ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 9

MEDIUM

11th ICSE

IMPORTANT

Earn 100

Name the alkyl groups derived from iso-butane.

Important Questions on Organic Chemistry : Some Basic Principles and Techniques

MEDIUM

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 10

Give the IUPAC name of the compound:

Question Image

HARD

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 11

In how many ways the cleavage of a covalent bond can take place ?

HARD

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 12

({CH}_{3})_{3} C^{+}

is more stable than

({CH}_{3})_{2} {CH}^{+}

.Explain why ?

HARD

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 13

What are free radicals? What is the stability order of the free radicals?

HARD

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 14

Select electrophiles from the following :

${NO}_{2}^{+}, C_{2} H_{5} O^{-}, {Cl}^{+}, {BF}_{3}, {HS}^{-}$

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 15

Classify the following groups as

+ I - effect or - I - effect groups . - {NO}_{2} (nitro), - COOH (carboxyl), {CH}_{3} - O^{-} (methoxy)

EASY

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 16

How will you separate a mixture of iodine and sodium chloride?

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11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 12 - Organic Chemistry : Some Basic Principles and Techniques>Chapter Practice>Q 17

How will you separate two miscible liquids which differ in their boiling points by

10 ° C

?