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Which of the following order is correct ...

Which of the following order is correct regarding stability
(I) `CH_3 - CH = C = CH-CH_3` (II)` CH_3 - CH = CH -CH = CH_2`
(III)` CH_2 = CH - CH_2 - CH =CH_2 `

A

I = II = III

B

`I lt II lt III`

C

`III = II gt I`

D

`I gt II gt III`

Text Solution

Verified by Experts

The correct Answer is:
D
`I gt II gt III`
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AAKASH SERIES-ELECTRONIC EFFECTS AND REACTION INTERMEDIATES-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN)) (Straight Objective Type Questions)
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  2. Select the most stable intermediate.

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  3. These are three canonical structures of napthalene. Examine them and f...

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  4. CH(2)=underset((I))(CH)-CH=CH-CH(3) is more stable than CH(3)-underset...

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  5. In which of the following molecules pi- electron density in ring is ma...

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  6. In which of the following molecules pi- electron density in ring is mi...

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  7. Which of the following compound is non aromatic?

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  8. Among the following molecules, the correct order of C - C bond length ...

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  9. C(1)-C(2) bond is shortest in

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  10. Which of the following has the longest C - O bond ?

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  11. Among these compounds, the correct order of C - N bond lengths is

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  12. {:("(I) "CH(3)O-CH=CH-NO(2), "(II) "CH(2)=CH-NO(2)), ("(III) "CH(2)=CH...

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  13. Select the least acidic compound.

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  14. Write correct order of acidic strength of following compounds

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  15. Arrange the given phenols in their decreasing order of acidity S...

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  16. Which one of the following is the most acidic?

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  17. Which one of the following phenols will show the highest acidity?

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  18. Which of the following is the weakest acid?

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  19. The correct pKa order of the following acids is

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  20. Which of the following compound is having the highest P^(ka) value

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