The correct order of increasing bond length of
C-H, C-O, C-C and C=C is

1.   $C - C < C = C < C - O < C - H$

2.   $C - O < C - H < C - C < C = C$

3.   $C - H < C - O < C - C < C = C$

4.   $C - H < C = C < C - O < C - C$

Subtopic: Hybridisation & Structure of Carbon Compounds |

61%

From NCERT

AIPMT - 2011

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q31:

Considering the state of hybridization of carbon atoms, find out the molecules among the following which is linear.

1. ${CH}_{3} - C \equiv C - {CH}_{3}$

2. ${CH}_{2} = CH - {CH}_{2} - C \equiv CH$

3. ${CH}_{3} - {CH}_{2} - {CH}_{2} - {CH}_{3}$

4. ${CH}_{3} - CH = CH - {CH}_{3}$

Subtopic: Aliphatic Hydrocarbon- Physical Properties |

59%

From NCERT

AIPMT - 2011

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q32:

Which nomenclature is not according to IUPAC system?

1.

\underset{1 - bromo prop - 2 - ene}{Br - {CH}_{2} - CH = {CH}_{2}}

2.

3.

4.

Subtopic: Nomenclature |

61%

From NCERT

AIPMT - 2012

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q33:

The structure of isobutyl group in an organic compound is:

1.

2. CH₃–CH₂–CH₂–CH₂–

3.

4.

Subtopic: Nomenclature |

77%

From NCERT

AIPMT - 2013

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q34:

The radical,

is aromatic because it has:

1. 7 p-orbitals and 6 unpaired electrons
2. 7 p-orbitals and 7 unpaired electrons
3. 6 p-orbitals and 7 unpaired electrons
4. 6 p-orbitals and 6 unpaired electrons

Subtopic: Aromaticity & Polarity |

From NCERT

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q35:

The order of stability of the following tautomeric compounds is :

1. III > II > I
2. II > I > III
3. II > III > I
4. I > II > III

Subtopic: Isomers & Reaction Mechanism |

AIPMT - 2013

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

Q36:

The structure of 3-Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid among the following is :

1.

2.

3.

4.

Subtopic: Nomenclature |

89%

From NCERT

AIPMT - 2013

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q37:

In the Kjedahl’s method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75g of sample neutralized 10mL of 1M H₂SO₄. The percentage of nitrogen in the soil is:

1. 37.33

2. 45.33

3. 35.33

4. 43.33

Subtopic: Quantitative Analysis of Organic Compounds |

67%

From NCERT

AIPMT - 2014

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q38:

The enolic form of ethyl acetoacetate as below has

1. 18 sigma bonds and 2 pi-bonds
2. 16 sigma bonds and 1 pi-bond
3. 9 sigma bonds and 2 pi-bonds
4. 9 sigma bonds and 1 pi-bond

Subtopic: Structural Isomers |

77%

From NCERT

NEET - 2015

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Q39:

Which of the following is the most correct electron displacement for a nucleophilic reaction to take place?

1.
2.
3.
4.

Subtopic: Bond Cleavage & Isomerism |

67%

From NCERT

NEET - 2015

1

2

3

4

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

The correct order of increasing bond length of
C-H, C-O, C-C and C=C is

1.   $C - C < C = C < C - O < C - H$

2.   $C - O < C - H < C - C < C = C$

3.   $C - H < C - O < C - C < C = C$

4.   $C - H < C = C < C - O < C - C$

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

The correct order of increasing bond length of C-H, C-O, C-C and C=C is 1. C-C<C=C<C-O<C-H 2. C-O<C-H<C-C<C=C 3. C-H<C-O<C-C<C=C 4. C-H<C=C<C-O<C-C

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

The correct order of increasing bond length of
C-H, C-O, C-C and C=C is

1. $C - C < C = C < C - O < C - H$

2. $C - O < C - H < C - C < C = C$

3. $C - H < C - O < C - C < C = C$

4. $C - H < C = C < C - O < C - C$