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Which of the following are environmentt...

Which of the following are environmenttally hazardous refrigecrants responsible for ozone depletion in the statosphere ?

A

methane

B

carbon dioxide

C

water

D

chlorofluorocarbons

Text Solution

Verified by Experts

The correct Answer is:
D
Chloroflurocarbons i.e., `C Cl_(2)F_(2)` deplete ozone layer.
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DINESH PUBLICATION-ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP CONTAINING HALOGENS -Revision Questions From Competitive Exams
  1. The reaction of an alkyl halide with RCOOAg produces

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  2. An alkyl chloride produces a single alkene on reaction with sodium eth...

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  3. Which of the following are environmenttally hazardous refrigecrants r...

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  4. In S(N^(1)) (substitution, nucleophilic, unimolecular) reaction, the r...

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  5. Unpleasant smell of carbylamine is obtained when chloroform and alcoho...

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  6. When primary amine reacts with chloroform in ethanolic KOH, then the p...

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  7. Grignard reagent is not prepared in aqueous medium but prepared in eth...

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  8. Mg reacts with RBr best in

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  9. The order of reactivity of alkyl halides towards elimination reaction ...

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  10. Most reactive halide towards S(N^(1)) reactions is

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  11. The set of compounds in which the reactivity of halogen atom in the as...

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  12. Reactivity order of halides of dehydrohalogenation is

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  13. Which of the following is a free radical substitution reaction?

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  14. When CHCI(3) is boiled with NaOH It gives .

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  15. Allyl chloride on dehydrochlorination gives

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  16. o-Toluic acid on reaction with Br(2) + Fe gives

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  17. Among the following the most reactive with alcoholic KOH is .

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  18. Which responds to + ve iodoform test ?

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  19. S(N)1 reaction is faster in

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  20. In which case formation of butane nitrile is possible ?

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