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Which of the following reagents distingu...

Which of the following reagents distinguish ethylene from acetylene?

A

Alkaline `KMnO_4`

B

Bromine water

C

Ammoniacal cuprous chloride

D

`Conc. H_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Acetylene reacts with ammonical cuprous chloride to give brown ppt where as ethylene does not give this reaction.
`underset("Acetylene")(CH-=CH)+underset("Ammonical")(Cu_2Cl_2)rarrunderset("Red ppt")(C-=C-Cu).`
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ERRORLESS-HYDROCARBONS-NCERT BASED QUESTION (ALKYNE)
  1. A compound is treated with NaNH(2) to give sodium salt. Identify the c...

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  2. KMnO4 will oxidised acetylene to

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  3. Which of the following reagents distinguish ethylene from acetylene?

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  4. If acetylene is passed through an electric arc in the atmosphere of ni...

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  5. Acetylene is prepared industrially by passing electric discharge throu...

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  6. When acetylene is passed into dilute sulphuric acid containing Hg^"2+...

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  7. Acetylene adds on to HCN gives

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

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

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

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

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

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  13. Which of these will not react with acetylene?

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

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

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

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

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

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

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

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