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Catalyst used in dimerisation of acetyle...

Catalyst used in dimerisation of acetylene to prepare chloroprene is

A

`HgSO_4 + H_2SO_4`

B

`Cu_2Cl_2`

C

`Cu_2Cl_2 + NH_4Cl`

D

`Cu_2Cl_2 + NH_4OH`

Text Solution

Verified by Experts

The correct Answer is:
C
`2CH -=CH overset((Cu_2Cl_2NH_4Cl))rarrCH-=C-CH-=CH_2overset(HCl)rarrCH_2 =C(Cl)-CH=CH_2`
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ERRORLESS-HYDROCARBONS-NCERT BASED QUESTION (ALKYNE)
  1. Acetylene adds on to HCN gives

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  2. What happens when a mixture of acetylene and hydrogen is passed over h...

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

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  4. Which of the following will be the final product when C2H2 reacts with...

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  5. When acetylene is treated with very dil. HCl in the presence of HgCl2,...

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  6. Excess of CH(3)COOH is reacted with CH-=CH in presence of Hg^(2+), the...

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  7. Which of these will not react with acetylene?

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  8. What is the product formed when acetylene reacts with hypochlorous aci...

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  9. CH-=CH underset(H2SO4)overset(HgSO4)to underset(H2O)overset(CH3MgBr)to...

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  10. Which pair does not represent a cyclic compound of the formula C(4)H(6...

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  11. Hydrocarbon C6H6 decolourise Br2 water and give ppt. with ammoniacal A...

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  12. Cyclic hydrocarbon molecules 'A' has all the carbon and hydrogen in a ...

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  13. Which of the following cycloalkane gives open chain compound, when rea...

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  14. A dibromo derivative of an alkane reacts with sodium metal to form an ...

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  15. The final product in the given reaction is

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  16. In the following reaction the major product obtained is

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  17. Which of the following compounds is the most stable

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  18. Identify the compound X in the following reaction

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  19. The angle strain in cyclobutane is:

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  20. The cyloalkane having the lowest heat of combusion per CH(2) group

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