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In the following reaction, A and B respe...

In the following reaction, A and B respectively.
are, `Aoverset(HBr)toC_(2)H_(5)Broverset(B)toA`

A

`C_(2)H_(4)`& alcoholic `KOH//Delta`

B

`C_(2)H_(4)Cl&` aqueous `KOH//Delta`

C

`C_(2)H_(5)OH` and aq `KOH//Delta`

D

`C_(2)H_(2)&Br_(2)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • In the following reaction, A and B respectively are, A overset(HBr)rarrC_(2)H_(5)Br overset(B)rarr A

    A
    `C_(2)H_(4)&" alcoholic "KOH`
    B
    `C_(2)H_(4)Cl&" aqueous "KOH`
    C
    `C_(2)H_(5)OH and "aq. "KOH`
    D
    `C_(2)H_(2)& Br_(2)`

  • In the following reaction A and B, respectively are Aoverset"HBr"to C_2H_5BroversetB to A

    A
    `C_2H_4, alc. KOH//Delta`
    B
    `C_2H_5Cl, aq KOH//Delta`
    C
    `CH_3OH, aq. KOH//Delta`
    D
    `C_2H_2, PBr_3`

  • Identify (A), (B) and (C) in the following reaction sequence. C_(5)H_(5)OHoverset((A))toC_(6)H_(6)overset ((B))toC_(6)H_(5)NO_(2)overset((C))to"Azobenzene"

    A
    `(A) = NaOH+ CaO,( B)= conc. H_(2)SO_(4)+ conc. HNO_(3), 60-70^(@)C, (C) - "glucose" + NaOH`
    B
    `(A) = "Zn power", (B)= conc. H_(2)SO_(4) + conc. HNO_(3), 100^(@) C, (C) = NH_(4)Cl +Zn`
    C
    `(A) = Zn , (B) = conc. H_(2)SO_(4)+ conc. HNO_(3), 60 -70^(@)C, (C) = Zn+ NaOH`
    D
    `(A) = NaOH + CaO, (B) = conc. HNO_(3) + conc. H_(2) SO_(4), "Reflux" 24 hrs. (C)= CH_(3)OH+Na`

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