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Haloalkanes and...

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  • Question 1
    4 / -1

     

    Only One Option Correct Type

    Direction (Q. Nos. 1-7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

    Q. When (S)-2-bromopentane is brominated, several 2,3-dibromopentane are formed, which of the following is not formed?

     

  • Question 2
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    The yield of alkyl bromide obtained as a result of heating the dry silver salt of carboxylic acid with bromine in CCI4 is

  • Question 3
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    Which is incorrect about Hunsdiecker's reaction?

  • Question 4
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    The major product of the following reaction is 

  • Question 5
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    Racemic mixture is obtained due to the halogenation of

  • Question 6
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    The reaction of SOCI2 on alkanols to form alkyl chlorides gives good yields because

  • Question 7
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    Addition of bromine on propene in the presence of brine yields a mixture of

  • Question 8
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    One or More than One Options Correct Type

    Direction (Q. Nos. 8-12) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

    Q. Which of the following reagents can bring about free radical chlorination of propane?

  • Question 9
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    In which of the following reaction(s), the major product is a primary alkyl bromide?

  • Question 10
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    Consider the following reaction,

    Q. 

    The expected product(s) is/are

  • Question 11
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    Consider the following reaction,

    Q.

    When a pure enantiomer of X is taken in the above reaction, correct completion regarding the reaction is/are

  • Question 12
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    Choose the correct statement(s) from the following regarding free radical chlorination and bromination reaction of alkane.

  • Question 13
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    Comprehension Type

    Direction (Q. Nos. 13-15) This section contains a paragraph, describing theory, experiments, data, etc.
    Three questions related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

    Passage

    An alcohol (R — OH) can be converted into alkyl chloride by the treatm ent with HCI. Reaction involves protonation of alcohol followed by the formation of carbocation intermediate. Carbocation intermediate in the final step undergo nucleophilic attack by Cl- ion as :

    Q. 

    Which of the following alcohol reacts most easily?

  • Question 14
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    An alcohol (R — OH) can be converted into alkyl chloride by the treatm ent with HCI. Reaction involves protonation of alcohol followed by the formation of carbocation intermediate. Carbocation intermediate in the final step undergo nucleophilic attack by Cl- ion as :

    Q. 

    Which of the following can catalyse the above reaction? 

  • Question 15
    4 / -1

    An alcohol (R — OH) can be converted into alkyl chloride by the treatm ent with HCI. Reaction involves protonation of alcohol followed by the formation of carbocation intermediate. Carbocation intermediate in the final step undergo nucleophilic attack by Cl- ion as :

    Q. 

    What is the correct order of reactivty of the followings with HCl? 

     

          

     

        

  • Question 16
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    One Integer Value Correct Type

    Direction (Q, Nos. 16-19) This section contains 4 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

    Q. 

    If 2,4-dimethyl pentane is subjected to free radical chlorination reaction, how many different monochlorinated products would be formed?

  • Question 17
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    On free radical chlorination reaction of butane, how many different, optically active, dichloroalkanes would be formed ?

  • Question 18
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    If 1, 3-butadiene is treated with excess of bromine in CCI4 , how many different tetrabromides would be formed?

  • Question 19
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    Consider the following reaction,

    Q. 

    How many different monobromo derivatives would be produced?

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