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An organic reaction occurs by using reag...

An organic reaction occurs by using reagents called electrophiles and nucleophiles via the formation of some reactive intermediates called carbocations, carbanions, free radicals, carbenes, nitrenes, radical cations, and radical anions.
Which of the following contains nucleophiles only ?

A

`PH_3, ROH, CH_2= CH_2`

B

`SnF_4, BeF_2, NH_3`

C

`Cr^(3 +), overset (Ө) N H_2, H_2 O`

D

`: C Cl_2, I^(Ө), H^(Ө)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • An organic reaction occurs by using reagents called electrophiles and nucleophiles via the formation of some reactive intermediates called carbocations, carbanions, free radicals, carbenes, nitrenes, radical cations, and radical anions. Which of the following contains electrophiles only ?

    A
    `Br^(oplus), PH_3, H_2O`
    B
    `NO_2^(oplus), : CBr_2, SO_3`
    C
    `NH_3,H_2 O, A1 Br_3`
    D
    `A1C1_3, CH_2=CH_2,SO_3`

  • An organic reaction occurs by using reagents called electrophiles and nucleophiles via the formation of some reactive intermediates called carbocations, carbanions, free radicals, carbenes, nitrenes, radical cations, and radical anions. The most stable free radical is :

    A
    `PhCH_2 dot C H_2`
    B
    `Me dot CH_2`
    C
    `Me_2 dot CH`
    D
    `Ph dot C HMe`

  • An organic reaction occurs by using reagents called electrophiles and nucleophiles via the formation of some reactive intermediates called carbocations, carbanions, free radicals, carbenes, nitrenes, radical cations, and radical anions. The most stable carbanion is :

    A
    `PhCH_2 overset (Ө) CH_2`
    B
    `Ph overset (Ө) CH_2`
    C
    D
    • CENGAGE CHEMISTRY-GENERAL ORGANIC CHEMISTRY-Comprehension
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