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In the following sequence of reactions t...

In the following sequence of reactions the products D is
`C-=CH overset(HBr)toAoverset(HBr)toBoverset(alcKOH)toCoverset(NaNH_(2))toD`. D is

A

Ethanol

B

Ethyne

C

Ethanal

D

Ethene

Text Solution

Verified by Experts

The correct Answer is:
B
`CH-=Choverset(HBr)rarr CH_(2)=CHBroverset(HBr)rarrCH_(3)-CHBr_(2)overset("alcKOH")rarr CH_(2)=CHBr overset(NaNH_(2))rarr CH-=CH`
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NARAYNA-HYDROCARBONS -EXERCISE - 2 (H.W) (PROPERTIES OF ALKENES)
  1. Ozonolysis of an organic compound gives formaldehyde as one of the pro...

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  2. 3-Methyl-2-pentene on reaction with HOCl gives-

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  3. In the following sequence of reactions the products D is C-=CH overs...

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  4. 1-Butyne on reductive ozonolysis gives.

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  5. Which of the following compound has the lowest dipole moment

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

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

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

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

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

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

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

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

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

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  15. The cyclic polymerisation of methyl acetylene produces

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

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

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

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

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

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