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Which reagent will be used for the above...


Which reagent will be used for the above conversion?

A

Na/Liq. `NH_3`

B

`H_2Pd-CaCO_3`

C

`Li,Ph-NH_2`

D

`H_2, Pt `

Text Solution

Verified by Experts

The correct Answer is:
B
Reduction of alkynes to alkenes is carried out with `H_2`, `Pd-CaCO_3`.
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AAKASH SERIES-HYDROCARBONS-ADDITIONAL PRACTICE SHEET ( LEVEL-I (LECTURE SHEET (MAIN) (STRAIGHT OBJECTIVE TYPE QUESTIONS)))
  1. The major product of the following reaction is:

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  3. Which reagent will be used for the above conversion?

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  4. : A and B respectively are :

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  5. Which compound will yield 5-keto -2-methyl hexanal upon treatment with...

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  7. Arrange the fallowing alkenes in increasing order of their enthalpy of...

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  8. Which reagent is best to perform the following transformation?

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  9. Ethane is subjected to combustion processes. During the combustion the...

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  10. CH3 - CH2 - CH2 - CH3 underset(Delta)overset(AlCl3)to CH3 - underset(C...

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  11. Pure methane can be prepared by:

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  12. Arrange the compounds I, II, and III in decreasing order of their heat...

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  13. The correct order of heats of combustion of above compound is :

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  14. An alkane with mol.mass = 86 on bromination gives only two monobromo d...

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  15. CH3-CH2-CH3 underset(Delta)overset(CH2N2)to underset("(major)")(A) Pro...

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  16. Which of the following alkanes will give single product on methylene i...

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  17. Order of the bond strength of C – H bonds involving sp, sp^(2) and sp^...

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  18. Among the structures given, select the enantiomers

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  19. The number of geometrical isomers of A can be

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  20. In the given reaction (x) underset("2)"H2O //Zn)overset("1)"O3)to unde...

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