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Hydration of ethyne to ethanal takes pla...

Hydration of ethyne to ethanal takes place through the formation of

A

`CH_(3)CH(OH)_(2)`

B

`CH_(2)=CHOH`

C

`CH_(2)=CHO`

D

`CH-=C^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("Acetylene")(H-C-=C-H)overset("dil. "H_(2)SO_(4))underset(Hg^(2+))rarrCH_(2)=CHOH`
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NARAYNA-HYDROCARBONS -EXERCISE - 2 (H.W) (PROPERTIES OF ALKENES)
  1. Which of the following compound has the lowest dipole moment

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  2. CH-=CHoverset(NaNH(2))to[A]overset(CH(3)Br)to[B]

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  3. Hydration of ethyne to ethanal takes place through the formation of

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  4. A compound on dehydrohalogenatio with alcoholic KOH gives alkyne but o...

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  5. CaC(2)overset("Hydrolysis")toAoverset(HgSO(4)+dil.H(2)SO(4))toB. B is

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  6. CaC(2)+H(2)OtoA+Boverset("1 mole "Na)toCoverset(C(2)H(5)I)toD. D is

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  7. underset(Cl)underset(|)(C)H(2)-underset(Cl)underset(|)(C)H(2)overset(A...

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  8. CH-=Choverset(HCl)toAoverset("Polymerisation")toB The polymer B is

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  9. H-C-=C-H+ 2NaNH(2)rarr Aoverset("2 mole")underset(CH(3)Cl)rarrB then...

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  10. When 2-pentyn is treated with dilute H(2)SO(4) and HgSO(4) the product...

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  11. The cyclic polymerisation of methyl acetylene produces

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  12. The compounds 1-butyne and 2-butyne can be distinguished by using

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  13. Which of the following orders regarding acidic strength is correct

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  14. Anunknown compound 'A' has a molecular formula of C(4)H(6) when 'A' is...

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  15. The reduction of 4 - octyne with H(2) in the presence of Pd //CaCo3 qu...

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  16. The hydrolysis of Mg(2)C(3) produces

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  17. Pure acetylene has sweet smell, where as impure gives garlic occur du...

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  18. The stronger base is

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  19. The colour of the precipitate formed when acetylene is passed through ...

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  20. What is the product when acetylene reacts with HCN

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