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In which of the following pairs of resonating structures, first resonating structure is more stable than second resonating structure ?

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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-2>Q 70
In which of the following compounds, the delocalisation of electrons and shifting of electron in the same direction ?
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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 71
Which of the following groups cannot participate in resonance with benzene:
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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 72
Which of the following is/are correct:
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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 73
Which of the following is/are correct statement:
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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 74
The correct orders for bond length are:
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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 75

The correct heat of hydrogenation order is

p1,3- Pentadiene

q 1, 3-Butadiene

r 2,3- dimethyl -1,3-butadiene

s Propadiene

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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 79
Select the most stable intermediates:
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Alpha Question Bank for Engineering: Chemistry>Chapter 23 - Organic Chemistry- Some Basic Principles and Techniques>Exercise-2>Q 81
The most stable carbocation is: