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The reagent (s) for the following conver...

The reagent (s) for the following conversion:
`overset(?)rarr HC -= CH` is/are-

A

alcoholic `KOH`

B

alcoholic `KOH` followed by `NaNH_(2)`

C

aqueous `KOH` followed by `NaNH_(2)`

D

`Zn//CH_(3)OH`

Text Solution

Verified by Experts

The correct Answer is:
B
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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-5(B)
  1. The number of stereoisomers obtained by bromination of trans-2-butene ...

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  2. The number of structural isomers for C6H(14) is

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  3. The reagent (s) for the following conversion: overset(?)rarr HC -= ...

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  4. In the following carbocation, H//CH3 that is most likely to migrate to...

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  5. The synthesis of 3-octyne is achieved by adding a bromoalkane into a m...

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  6. Amongst the given options, the compounds in which all the atoms are in...

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  7. In allene (C(3)H(4)), the type(s) of hybridization of the carbon atoms...

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  8. If two moles of Isopropyl chloride reacts with Na presence of dry ethe...

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  9. Isomers of hexane , based on their branching can be divided into three...

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  10. Complete the following reactions: (i) CH(3)-overset(CH(3))overset(|)...

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  11. Identify the major product in the following reactions : C(6)H(5)-CH(...

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  12. Give the structures of (A),(B) and (C)(explanation is not required ). ...

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  13. Draw the stereochemical structures of the products in the following re...

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  14. Write down the structure of the stereoisomers formed when cis-2-butene...

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  15. An organic compound E (C5 H8) on hydrogenation gives compound F (C5 H(...

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  16. Give the structure of the major organic products obtained from 3-ethyl...

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  17. An alkyl halide (X)of the folmula C(6)H(13)Cl on treatment with potass...

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  18. A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...

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  19. Identify the compound (A), (B), and (C). Compound (A) (C(8)H(12))ove...

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  20. Compound (A) C(6)H(12) gives a positive test with bromine in carbon te...

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