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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317624 The change in the optical rotation of freshly prepared solution of glucose is known as

1 Racemisation

2 Specific rotation

3 Mutarotation

4 Tautomerism

Explanation:

When either of the two forms of glocose is dissolved in water there is change in rotation till the equilibrium value of $+ {52.5}^{\circ}$ is reached. This is known as mutarotation
$α - D$ $\underset{+ 111 . 5^{o}}{(+)} Glucose ⇌ \underset{+ 52 . 5^{o}}{Equilibrium Mixture}$
$⇌ [β] - D - ( + ) \underset{+ 19 . 5^{o}}{Glucose}$

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317625 Which of the following alkanes is optically active?

1 2-Methylbutane

2 2,3-Dimethylbutane

3 2,3-Dimethylpentane

4 2-Methylpropane

MHTCET - 2021

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317574 Following compounds are respectively _____ geometrical isomers.
supporting img

1

P - c i s, Q - c i s, R - t r a n s

2

P - cis, Q - trans, R - trans

3

P - t r a n s, Q - c i s, R - c i s

4

P - c i s, Q - t r a n s, R - c i s

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317556 The alkene that exhibits geometrical isomerism is

1 2-Methyl propane

2 2-Butene

3 2-Methyl-2-butene

4 Propene

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317624 The change in the optical rotation of freshly prepared solution of glucose is known as

1 Racemisation

2 Specific rotation

3 Mutarotation

4 Tautomerism

Explanation:

When either of the two forms of glocose is dissolved in water there is change in rotation till the equilibrium value of $+ {52.5}^{\circ}$ is reached. This is known as mutarotation
$α - D$ $\underset{+ 111 . 5^{o}}{(+)} Glucose ⇌ \underset{+ 52 . 5^{o}}{Equilibrium Mixture}$
$⇌ [β] - D - ( + ) \underset{+ 19 . 5^{o}}{Glucose}$

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317625 Which of the following alkanes is optically active?

1 2-Methylbutane

2 2,3-Dimethylbutane

3 2,3-Dimethylpentane

4 2-Methylpropane

MHTCET - 2021

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317574 Following compounds are respectively _____ geometrical isomers.
supporting img

1

P - c i s, Q - c i s, R - t r a n s

2

P - cis, Q - trans, R - trans

3

P - t r a n s, Q - c i s, R - c i s

4

P - c i s, Q - t r a n s, R - c i s

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317556 The alkene that exhibits geometrical isomerism is

1 2-Methyl propane

2 2-Butene

3 2-Methyl-2-butene

4 Propene

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317624 The change in the optical rotation of freshly prepared solution of glucose is known as

1 Racemisation

2 Specific rotation

3 Mutarotation

4 Tautomerism

Explanation:

When either of the two forms of glocose is dissolved in water there is change in rotation till the equilibrium value of $+ {52.5}^{\circ}$ is reached. This is known as mutarotation
$α - D$ $\underset{+ 111 . 5^{o}}{(+)} Glucose ⇌ \underset{+ 52 . 5^{o}}{Equilibrium Mixture}$
$⇌ [β] - D - ( + ) \underset{+ 19 . 5^{o}}{Glucose}$

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317625 Which of the following alkanes is optically active?

1 2-Methylbutane

2 2,3-Dimethylbutane

3 2,3-Dimethylpentane

4 2-Methylpropane

MHTCET - 2021

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317574 Following compounds are respectively _____ geometrical isomers.
supporting img

1

P - c i s, Q - c i s, R - t r a n s

2

P - cis, Q - trans, R - trans

3

P - t r a n s, Q - c i s, R - c i s

4

P - c i s, Q - t r a n s, R - c i s

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317556 The alkene that exhibits geometrical isomerism is

1 2-Methyl propane

2 2-Butene

3 2-Methyl-2-butene

4 Propene

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317624 The change in the optical rotation of freshly prepared solution of glucose is known as

1 Racemisation

2 Specific rotation

3 Mutarotation

4 Tautomerism

Explanation:

When either of the two forms of glocose is dissolved in water there is change in rotation till the equilibrium value of $+ {52.5}^{\circ}$ is reached. This is known as mutarotation
$α - D$ $\underset{+ 111 . 5^{o}}{(+)} Glucose ⇌ \underset{+ 52 . 5^{o}}{Equilibrium Mixture}$
$⇌ [β] - D - ( + ) \underset{+ 19 . 5^{o}}{Glucose}$

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317625 Which of the following alkanes is optically active?

1 2-Methylbutane

2 2,3-Dimethylbutane

3 2,3-Dimethylpentane

4 2-Methylpropane

MHTCET - 2021

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317574 Following compounds are respectively _____ geometrical isomers.
supporting img

1

P - c i s, Q - c i s, R - t r a n s

2

P - cis, Q - trans, R - trans

3

P - t r a n s, Q - c i s, R - c i s

4

P - c i s, Q - t r a n s, R - c i s

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317556 The alkene that exhibits geometrical isomerism is

1 2-Methyl propane

2 2-Butene

3 2-Methyl-2-butene

4 Propene

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