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To prepare 2-butyne from 2,2,3,3- tetrac...

To prepare 2-butyne from 2,2,3,3- tetrachlorobutane, use is made of:

A

Zinc

B

sodamide

C

alc. KOH

D

aq. Of KOH

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The correct Answer is:
A
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OP TANDON-UNSATURATED HYDROCARBONS-OBJECTIVE QUESTIONS
  1. When propene is treated with chlorine at 500^(@)C, allyl chlroide is f...

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  2. Mustard gas is:

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  3. To prepare 2-butyne from 2,2,3,3- tetrachlorobutane, use is made of:

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  4. Indicate the organic structure for the product expected when 2-methylp...

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

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  6. Catalyst used in the dimerization of acetylene to prepare chloroprene ...

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  7. Ammoniacal silver nitrate forms a white precipitate easily with:

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  8. Structural formula for lewisite is:

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  9. An olefin may be converted into alocohol by:

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  10. Propene is more reactive than ethene towards HBr because:

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  11. Acetylene when passed through cuprous chloride in presence of ammonium...

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  12. Which of the following alkylnes is most acidic?

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  13. Acetylenic hydrocarbons are acidic because

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  14. Sample of 2,3-dibromo-3-methylpentane is heated with zinc dust. The re...

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  15. Which of the following reactions will yield 2,2-dibromopropane ?

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  16. Propyne on ozone treatment followed by oxidative degradation gives:

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  17. Ozonolysis product of cyclobutene is:

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  18. An alkene (A) C(16)H(16) on ozonolysis gives only one product (B) C(8)...

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  19. A hydrocarbon 'A' (C(4)H(8)) on reaction HCl gives a compound 'B', (C(...

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  20. H(2)C=CH(2)+HOCl to ………….+ ……… to ethylene chlorohydrin. Fill in the...

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