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The cylindrical shape of alkynes is due ...

The cylindrical shape of alkynes is due to

A

Two sigma C-C and one `pie` C-C bonds

B

One sigma C-C and two `pie` C-C bonds

C

Three sigma C-C bonds

D

Three `pie` C-C bonds

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AAKASH INSTITUTE ENGLISH-HYDROCARBONS-Assignment(Section - C) (Previous Years Questions)
  1. Which of the following is used as an anti-knocking material ?

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  2. Which of the following reactions would give a good yield of hydrocarbo...

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  3. The cylindrical shape of alkynes is due to

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  4. In the commercial gasolines, the type of hydrocarbons which are more d...

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  5. The most stable conformation of Butane is

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  6. Which of the following statements is not compatible with arenes?

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  7. When acetylene is passed through dil. H(2)SO(4) in the presence of HgS...

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  8. In Friedel-Crafts acylation, besides AlCl(3), the other reactants are

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  9. Gammaexane is

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  10. In Friedal craft reaction Toluene can be prepared by:

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  11. 2-butene shows geometrical isomerism due to:

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  12. Dihedral angle in staggerred form of ethane is

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  13. Which alkene on ozonolysis gives CH(3)CH(2)CHO and CH(3)underset(O)und...

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  14. Products of the following reaction : CH(3)C-=C CH(2)CH(3) underset(...

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  15. Which of the compounds with molecular formula C(5)H(10) yields aceton...

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  16. Anti-Markownikoff's addition of HBr is not observed in

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  17. Given I and II are

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  18. Which of the following conformers for ethylene glycol is most stable ?

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  19. Reaction of HBr with propene in the presence of peroxide gives :-

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  20. Which one of the following is a free-radical substitution reaction :

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