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Preparation of alkyl halides in laborato...

Preparation of alkyl halides in laboratory is least preferred by:

A

Halide exchange

B

direct halogenation of alkanes

C

Treatment of alcohols

D

Addition of hydrogen halides to alkenes

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The correct Answer is:
B
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MBD PUBLICATION-HALOALKANES AND HALOARENES-QUESTION BANK
  1. Which of the following do not form Grignard reagent :

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  2. Dehydrohalogenation in haloalkanes produces:

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  3. Preparation of alkyl halides in laboratory is least preferred by:

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  4. The reagent used for dehalogenation of 1, 2-dibromoethane is:

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  5. The C-Mg bond in CH3CH2MgBr is :

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  6. 1,2- dibromoethane is added to prevent deposition of lead metal in :

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  7. Methylene chloride on hydrolysis yields:

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  8. An alkyl halide reacts with equivalent amount of NH3 give:

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  9. The structural formula of the compound which yields ethylene upon reac...

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  10. Methyl magnesium iodide on treatment with D2O furnishes a hydrocarbon,...

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  11. Correct order of reactivity for halides

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  12. The reaction, CH3Br+OH^-rarr CH3OH+Br obeys the mechanism:

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  13. The reaction:

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  14. The greater the ionic character of the carbon metal bond:

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  15. The molecular formula of the chlorinated acetone formed in the disti...

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  16. The halide which does not give a precipitate with AgNO3 is:

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  17. Which of the following statements is true:towards reactivity towards S...

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  18. The halogen atom is least reactive in:

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  19. The reaction described, below is (CH3)3CBr + KOH rarr(CH3)3COH + KBr

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  20. When vinyl chloride is passed through alcoholic KOH solution:

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