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What si the correct order of decreasing ...

What si the correct order of decreasing stability of the following carbocations.
`underset(I.)(CH_(3)-overset(o+)(C)H-CH_(3))" "underset(II.)(CH_(3)-overset(o+)(C)H-OCH_(3))`
`underset(III.)(CH_(3)-overset(o+)(C)H-CH_(2)-OCH_(3))`

Text Solution

Verified by Experts

(i) HCl (aq) - Acid (Arrhenius conecpt and Bronsted - Lowry concept)
(ii) `NH_(3)(g) `-Base (Bronsted concept and Lewis concept)
(iii) `Na_(2)CO_(3)(aq)`- Base (Bronsted concept)
(iv) `CH_(3)CO OH(aq)`-Acid (Arrhenius concept and Bronsted concept)
(v) `CO_(2)(g)`-Acid (Bronsted concept and Lewis concept)
(vi) `BF_(3)`-Acid (Lewis concept)
(vii) `Ag^(+)`- Acid (Lewis concept)
(viii) `CN^(-)`- Base (Lewis concept)
(ix) `H_(2)O`- Both acid and base, i.e., amphoteric (Bronsted concept)
(x) `H_(2)SO_(4)`- Both acid and base, i.e., amphoteric (Bronsted concept)
(xi) `CHO_(3)^(-)`- Both acid and base, i.e., amphoteric (Bronsted concept)
(xii) `SiF_(4) ` - Acid (Lewis concept), as silicon can expand its octet .
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The order of stability of the following carbocations underset((I))(CH_(2)=overset(+)(C)H-CH_(2)) , underset((II))(CH_(3)-CH_(2)-overset(+)(C )H_(2))

The order of stability of the following carbocations: underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset("II")(CH_(3)-CH_(2)-overset(o+)CH_(2))" , "underset("III")(C_(6)H_(5)-overset(o+)CH_(2))

Knowledge Check

  • What is the correct order of decreasing stability of the following cations ? underset(I)(CH_(3)-overset(o+)(C)H-CH_(3)) " " underset(II.)(CH_(3)-overset(o+)(C)H-OCH_(3)) underset(III.)(CH_(3)-overset(o+)(C)H-CH_(2)-OCH_(3))

    A
    `II gt I gt III`
    B
    `II gt III gt I`
    C
    `III gt I gt II`
    D
    `I gt II gt III`

  • What is the correct order of decreasing stability of the following cations? underset(I)(CH_(3)-overset(+)(C)H-CH_(3))" "underset(II)(CH_(3)-overset(+)(C)H-OCH_(3)) underset(III)(CH_(3)-overset(+)(C)H-CH_(2)-OCH_(3))

    A
    IIgtIgtIII
    B
    IIgtIIIgtI
    C
    IIIgtIgtII
    D
    IgtIIgtIII

  • The decreasing order of the stability of the ions : underset((I))(CH_(3)=overset(+)(C)H-CH_(3))" "underset((II))(CH_(3)-overset(+)(C)H-OCH_(3))" "underset((III))(CH_(3)-overset(+)(C)H-COCH_(3)^(-))

    A
    `IgtIIgtIII`
    B
    `IIIgtIIgtI`
    C
    `IIgtIIIgtI`
    D
    `IIgtIgtIII`

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    The decreasing order of the stability of the ions underset((I))underset()(CH_(3)-overset(+)CH-CH_(3)), underset((II))underset()(CH_(3)-overset(+)CH-OCH_(3)), , underset((III))underset()(CH_(3)-overset(+)CH-COCH_(3)),

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