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The number of acetylene molecules requir...

 The number of acetylene molecules required to form one molecule of benzene is

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
3 moles of acetylene when passed through red hot iron tube, 1 mole of benzene is formed.
`underset("Acetylene")(3C_(2)H_(2))overset("Red hot iron tube")underset("Polymerisation")tounderset("Benzene")(C_(6)H_(6))`
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SIA PUBLICATION-ORGANIC CHEMISTRY -I-MCQ
  1. Which of the following hydrocarbons has least carbon carbon bond lengt...

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  2. Which of the following reacts with water to give ethane?

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  3. The number of acetylene molecules required to form one molecule of ben...

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  4. The number of C-C sigma bonds present in 1-butyne is

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  5. Which of the following alkanes cannot be prepared by Wurtz reaction?

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  6. n-octane and n-nonane have

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  7. A solid organic compound X, on heating, directly converted into the va...

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  8. An organic compound having carbon and hydrogen, has 80% carbon. The em...

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  9. A gas decolourises Br(2) in CCI(4) and forms a precipitate with ammoni...

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  10. A mixture contains four solid organic compounds A,B,C,D. On heating, o...

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  11. The homologue of ethyne is

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  12. In Wurtz reaction, the reagent used is

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  13. Among the following compounds which have more than one type of hybridi...

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  14. Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electr...

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  15. Which of the following compounds does not form an ozonide?

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  16. The alkane that yields two isomeric monobromo derivatives is

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  17. The number of a bonds in the product formed by passing acetylene throu...

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  18. The molecular weight of an organic compound is 180. Its empirical form...

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  19. The number of isomeric structures possible for a molecule having molec...

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  20. Which one of the following compounds is most acidic?

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