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Which of the following reactions is an e...

Which of the following reactions is an example of nucleophilic substitution reaction?

A

`RX+MgtoRMgX`

B

`RX+KOHtoROH+KX`

C

`2RX+2NatoR-R+2NaX`

D

`RX+H_(2)toRH+HX`

Text Solution

Verified by Experts

The correct Answer is:
B
`KOHtoK^(+)+OH^(-)`
`RX+OH^(-)toR-OH+X^(-)`
Nucleophilse are either negatively charged or lone pair of electrons learning species
e.g., `OH^(-),ddot(N)H_(3)`, etc.
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Knowledge Check

  • Which of the following reaction is not an example of electrophilic substitution ?

    A
    `C_(6)H_(6)+ ^(+)NO_(2)to C_(6)H_(5) NO_(2)+H^(+)`
    B
    `C_(6)H_(6)+ CH_(3)Cloverset(AlCl_(3)) C_(6)H_(5) - CH_(3) + HCl`
    C
    `C_(6)H_(5)+ CH_(3) Cl_(2)overset( "UV light")to C_(6)H_(6)Cl_(6)`
    D

  • Which of the following reactant will not favour nucleophilic substitution reaction ?

    A
    B
    PH-Br
    C
    `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-Br`
    D
    All of these

  • Which one of the following reaction is an example of free radical substitution reaction?

    A
    B
    C
    D

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