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Species containing carbon with three bon...

Species containing carbon with three bonds and an electron are called:

A

Carbenes

B

Carbonions

C

Carbonium ions

D

Free radicals

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The correct Answer is:
D
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MBD PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES-QUESTION TYPE
  1. The -I effect is shown by:

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  2. 2-methylpent-3-enoic acid shows:

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  3. Species containing carbon with three bonds and an electron are called:

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  4. The function of AlCl3 in Friedel-Craft's reaction is:

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  5. Which one of the following does not show resonance ?

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  6. The strain in bonds of cyclopropane is:

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  7. Which one of the following compound have zero dipole moment ?

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  8. Which of the following can act as an nucleophile ?

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  9. Benzaldoxime exists in how many forms :

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  10. Eclipsed and staggered forms of n-butane are called a pair of:

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  11. Which one of the following compounds is most polar ?

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  12. The least energetic conformation of cyclohexane is:

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  13. The fairly neutral character of CH3OH is changed to which of the follo...

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  14. During debromination of meso-dibromo-butane, the major compound formed...

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  15. The numberof possible enantiomeric pairs that can be produced during m...

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  16. The intermediate during the addition of HCl to propene is:

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  17. Which of the following has zero dipole moment ?

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  18. The ratio of sigma to pi bonds is benzene is :

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  19. A compound having n dissimilar asymmetric centres will have :

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  20. Attacking species in SE reactions for halogenation is:

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