Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-4>Q 277

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Which of the following reaction mechanism does not involve carbocation as an intermediate?

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-4>Q 278

Compound

P

on treatment with

{CH}_{2} N_{2}

(diazomethane) produces compound

Q

. Compound

Q

on reaction with

HI

produces two alkyl iodides

R

and

S

. Alkyl iodide

S

with higher number of carbon atoms on reaction with

KCN

followed by hydrolysis gives

3

-methylbutanoic acid. The compound

P

is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-4>Q 279

How many optically active molecules are possible with structural formula

{CH}_{2} OHCHOHCHOHCHOHCHOHC

HO

?

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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-4>Q 280

Glucose and fructose are:

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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-4>Q 281

$L$ -Fucose with the following planar representation is a sugar component of the detorminants of the $A, B, O$ blood group typing

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The open chain structure of $L$ -Fucose can be represented as

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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-4>Q 282

D-Glucose and D-mannose are: