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The number of pi-bonds present in propyn...

The number of `pi-`bonds present in propyne is:

A

2

B

3

C

1

D

4

Text Solution

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The correct Answer is:
A
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MBD PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES-QUESTION TYPE
  1. IUPAC name of (C2H5)2CHCH2OH is:

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  2. The IUPAC name of the compound, CH2=C(CH3)-CH2-C-=CH is:

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  3. The number of pi-bonds present in propyne is:

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  4. The molecular formula of a saturated compound is C2H4Br2. This formula...

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  5. The isomerism exhibited by n-butyl alcohol and isobutyl alcohol is:

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  6. Addition of Br2 on trans-butene-2 gives:

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  7. Compound having same molecular formula but different properties are ca...

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  8. The IUPAC name of the compound having the formula Cl3C. CHO is:

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  9. Meso tartaric acid is optically inactive due to the presence of:

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  10. The arrangement of decreasing order of stability of 'CH3', 'C2H5', '(C...

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  11. In ethylene angle CCH is:

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  12. Which of the following compounds can exist in optically active form ?

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  13. The stability of 2,3-dimethyl but-2-ene is more than 2-butene. This ca...

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  14. Who pointed out the concept of hyper conjugation ?

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  15. For all practical purposes, influence of inductive effect is neglected...

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  16. Sometimes the behaviour of a compound is explained by assuming that it...

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  17. Carbanions initiate:

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  18. Select the most reactive cycloalkane:

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  19. The homolytic fission of a hydrocarbon results in the formation of:

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  20. Hybridisation involves:

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