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When acetylene is passed into dilute sul...

When acetylene is passed into dilute sulphuric acid
containing `Hg^"2+"` ions, the product formed is

A

Acetone

B

Acetic acid

C

Acetaldehyde

D

Formaldehyde

Text Solution

Verified by Experts

The correct Answer is:
C
`underset("Acetylene")(CH-=CH) overset(40% H_2SO_4)underset(1% HgSO_4) rarr underset("(Enol)")underset("Vinyl alcohol")(CH_2=CH-OH)overset("rearrangment")underset("tatutomerism")rarrunderset("Acetaldehyde")(CH_3-CHO)`
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ERRORLESS-HYDROCARBONS-NCERT BASED QUESTION (ALKYNE)
  1. If acetylene is passed through an electric arc in the atmosphere of ni...

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

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

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  4. Acetylene adds on to HCN gives

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

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

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

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

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

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  10. Which of these will not react with acetylene?

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

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

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

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

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

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

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

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  18. The final product in the given reaction is

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  19. In the following reaction the major product obtained is

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  20. Which of the following compounds is the most stable

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