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Free Online Mock Chemistry Multiple Choice Test on Alkyl and Arylhalides
Sub Category : Alkyl and Arylhalides Test : 10 Time Left :
1) The order of reactivity of various alkyl halides towards SN1 reaction is(1) 3degree greater than 2degree greater than 1 (2) 1degree greater than 2degree greater than 3 (3) 3degree = 2degree = 1degree (4) 1degree greater than 3degree greater than 2degree
  1 2 3 4
 
2)Alkyl halides can be converted to ethers through
(1) Frankland reaction (2) Williamson synthesis (3) Fittig reaction (4) Grignard reaction
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3) Which of the following groups is ortho-para directing as well as deactivating, when attached to benzene ring?(1) – NO2 (2) –OH (3) OCH3 (4) –Cl
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4) The order of reactivity of various alkyl halides towards nucleophilic substitution follows the order:(1) R—I greater than R—Br greater than R—Cl greater than R—F (2) R—F greater than R—Cl greater than R—Br greater than R—I (3) R—Cl greater than R—Br greater than R—I greater than R—F (4) R—Br greater than R—I greater than R—Cl greater than R—F
1 2 3 4
 
5) The above reaction results in 98% racemization. The reaction mainly follows(1) SN1 mechanism (2) SN2 mechanism (3) E1 mechanism (4) E2 mechanism
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