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The reagent 'X' used for the following ...

The reagent 'X' used for the following reaction is

A

Ni

B

Pd/C

C

`LiAlH_4`

D

`Na//liquid NH_3`

Text Solution

Verified by Experts

The correct Answer is:
B
Addition of `H_2` to alkynes in presence of Lindlar's catalyst `(H_2//Pd-BaSO_4)` or simply Pd/C gives cis-alkenes.
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PRADEEP-HYDROCARBONS-Competition Focus (JEE(main and advanced)/Medical Entrance) I. MULTIPLE CHOICE QUESTIONS
  1. The reagents to carry out the following conversion are

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  2. In the reaction H-C-=CH underset((2)CH3CH2Br)overset((1)NaNH2//liq.N...

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  3. The reagent 'X' used for the following reaction is

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  4. The trans-alkenes are formed by the reduction of alkynes with

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  5. 2-Hexyne gives trans -2- hexene on treatment with :

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  6. The isomerism of 2-butyne to 1-butyne can be achieved by treatment wit...

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  7. Identify X in the following sequence of reactions : CH3-undersetunde...

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  8. Catalyst used in dimerisation of acetylene to prepare chloroprene is

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  9. Which of the following reagents will be able to distinguish between 1-...

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  10. Propyne and propene can be distinguished by :

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  11. Ethylene can be separated from acetylene by passing the maxiture throu...

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  12. 1-Butyne reacts with cold alkaline KMnO(4) to produce

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  13. A compound X (C5H8) reacts with ammoniacal AgNO3 to give a white preci...

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  14. CH3-C-=C-CH3 underset((ii)H2O //Zn)overset((i)X)to CH3-undersetunderse...

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  15. CH-=CH overset(O3)to X overset(Zn//CH3OH)to Y, Y is

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  16. Identify a reagent from the following list which can easily distinguis...

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  17. The molecular formula of diphenylmethane , , is C(13)H(12), How m...

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  18. The hydrocarbon which does not decolourise alkaline KMnO4 solution and...

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  19. The correct statement is :

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  20. Which one of the following is an aromatic compound ?

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