Basic strength ofi H 3 C H 2 ii H 2 C - C H iii CH - C is in the orderA- iii- ii - IB- i - iii - iiC- i - ii - iiiD- ii - i - iii

The correct option is C i gt; ii gt; iii Acidic strength follows the order CH ≡ CH gt;CH_2=CH_2 gt;CH_3 CH_3 Therefore, basic character follows the re ...

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Standard XII

Chemistry

Valence Bond Theory

Basic strengt...

Question

Basic strength of

(i) $H_{3} ¯ C H_{2}$ (ii) $H_{2} C = ¯ C H$ (iii) CH ≡ $¯ C$ is in the order

iii> ii > I

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i> iii > ii

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i> ii > iii

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ii >i> iii

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Solution

The correct option is C
i> ii > iii

Acidic strength follows the order

$C H \equiv C H > C H_{2} = C H_{2} > C H_{3} - C H_{3}$

Therefore, basic character follows the reverse order

$C H_{3} - ¯ C H_{2} > C H_{2} = ¯ C H > C H \equiv ¯ C$

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Basic strength of (i) H3¯CH2 (ii) H2C=¯CH (iii) CH ≡ ¯C is in the order

The correct option is C i> ii > iii Acidic strength follows the order CH≡CH>CH2=CH2>CH3−CH3 Therefore, basic character follows the reverse order CH3−¯CH2>CH2=¯CH>CH≡¯C

Basic strength of

(i) $H_{3} ¯ C H_{2}$ (ii) $H_{2} C = ¯ C H$ (iii) CH ≡ $¯ C$ is in the order

The correct option is C
i> ii > iii

Acidic strength follows the order

$C H \equiv C H > C H_{2} = C H_{2} > C H_{3} - C H_{3}$

Therefore, basic character follows the reverse order

$C H_{3} - ¯ C H_{2} > C H_{2} = ¯ C H > C H \equiv ¯ C$