Give the increasing order of $p K_{a}$ value of the following compounds?

(I) < (I I I) < (I I)

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(I) < (I I) < (I I I)

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(I I) < (I I I) < (I)

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(I I I) < (I I) < (I)

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Solution

The correct option is A $(I) < (I I I) < (I I)$
$(I) C_{9} H_{10} {- H}^{\oplus} - -- \to {C_{9} H}_{9}^{\cdot \cdot ⊖}$ (Aromatic)
Acidic character: $(I) > (I I I) > (I I)$
$p K_{a}$ order: $(I) < (I I I) < (I I)$

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Give the increasing order of pKa value of the following compounds?

The correct option is A (I)<(III)<(II)(I)C9H10−H⊕−−−→C9H⋅⋅⊖9 (Aromatic)Acidic character: (I)>(III)>(II)pKa order: (I)<(III)<(II)

Give the increasing order of $p K_{a}$ value of the following compounds?

The correct option is A $(I) < (I I I) < (I I)$
$(I) C_{9} H_{10} {- H}^{\oplus} - -- \to {C_{9} H}_{9}^{\cdot \cdot ⊖}$ (Aromatic)
Acidic character: $(I) > (I I I) > (I I)$
$p K_{a}$ order: $(I) < (I I I) < (I I)$