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Acetylenic hydrocarbons are acidic becau...

Acetylenic hydrocarbons are acidic because

A

sigma electron density of C-H bond in acetylene is nearer to carbon which has `50%` s-character.

B

accetylene has only one hydrogen on each carbon

C

acetylene contains least number of hydrogen among the possible hydrocarbons having two carbons

D

acetylene resembles acetic acid.

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The correct Answer is:
A
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OP TANDON-UNSATURATED HYDROCARBONS-OBJECTIVE QUESTIONS
  1. Acetylene when passed through cuprous chloride in presence of ammonium...

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  2. Which of the following alkylnes is most acidic?

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  3. Acetylenic hydrocarbons are acidic because

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

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

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

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  7. Ozonolysis product of cyclobutene is:

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

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

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

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  11. Upon ozonolysis, molecule of a hydrcarbon produces of ethanal and one ...

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  12. A single compound of the structure. is obtained from ozonolysis o...

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  13. Two organic compound X and Y on analysis gave the same percentage comp...

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  14. What are the starting materials to get 2-methylpropene as the major pr...

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  15. Ozonolysis of the following compound

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  16. Cyclopentene on treatment with alkaline KMnO(4) gives

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  17. A hydrocarbon of formula C(6)H(10), absorbs only one molecule of H(2) ...

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  18. Diels-Alder reaction is used to synthesis a ring of:

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  19. Terminal (alpha, omega) dihalides on heating with zinc or sodium forms...

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  20. Given : The enthalpy of the hydrogenation of these compounds will...

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