Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.3

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Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

Important Questions on Organic Chemistry – Some Basic Principles and Techniques

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.3

Write bond-line formulas for: $Isopropyl alcohol, 2, 3 - Dimethylbutanal, Heptan - 4 - one$ .

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.4

Give the IUPAC name of the following compound:

https://lh4.googleusercontent.com/A6bVTB-r-Uj7-nDaIlQA7ILJkIrVaB7vdU9gadNwyYLZDBUH2hFrLXBMr98OFvG1N4AFuUvdgQH52eQ4SdUcDjHoONdKQIdH0Yxfn3Jxo3GuJxhhijt3utCkwjPAfeudn7ubwrdhqFC7AVob1g

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.4

Give the IUPAC name of the following compound:

https://lh5.googleusercontent.com/ydoq7gphSzQQH1WbZIbCrQj_l3onjmuEkmnX38UYAT84ub5XhBbCiPANOMievSE97lb1mmCO9vJTnjLet_u-MW3r7_EDLmW9MsQzJ4M_-ON6PgSJRwEo5pjmgV-JG3-cBNXm97rAiKAgoYVRQw

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.4

Give the IUPAC name of the following compound :

https://lh5.googleusercontent.com/Zn13gqxyHg3JtTaJqX6fqn3X7VHAQ7cQpgifmJWtZM99471xbBiX5sx1ZuqfBfILwKXSVFQLEzdThdwkFEfxjmvGgIurjE-W7AbT7iGc0ayIxyNprd-LIl3GpyHDSxRhusAa0SOT4dolHc5vzA

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.32

An organic compound contains

69 %

carbon and

4.8 %

hydrogen, the remainder being oxygen. Calculate the masses of carbon dioxide and water produced when

0.20 g

of this substance is subjected to complete combustion.

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.39

The best and latest technique for isolation, purification and separation of organic compounds is:

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.1

What are hybridisation states of each carbon atom in the following compounds?

{CH}_{2} = C = O, {CH}_{3} CH = {CH}_{2}, ({CH}_{3})_{2} CO, {CH}_{2} = CHCN, C_{6} H_{6}

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Chemistry Part II Textbook for Class XI>Chapter 5 - Organic Chemistry – Some Basic Principles and Techniques>EXERCISES>Q 12.2

Indicate the

σ and π

bonds in the following molecules:

C_{6} H_{6}, C_{6} H_{12}

(cyclic compound),

{CH}_{2} {Cl}_{2}, {CH}_{2} = C = {CH}_{2}, {CH}_{3} {NO}_{2}, {HCONHCH}_{3}