Arrange the following in increasing base strength ominus OH A- I-I I - I I I-I VB- II I-I I I-I VD- None of these

The correct option is B lt; lt; Always remember, → Nucleophiles act as Lewis' bases. Nucleophilicity versus basicity ⇒ If the n ...

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Standard XII

Chemistry

Oxidation States of Lanthanides

Arrange the f...

Question

Arrange the following in increasing base strength

$C H_{3} O H I ⊖ C H_{3} C O_{2} I ⊖ C H_{3} O I I ⊖ C H_{3} O I I I ⊖ O H I V$

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None of these

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Solution

The correct option is B
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Always remember,

$\to$ Nucleophiles act as Lewis' bases.

Nucleophilicity versus basicity

$\Rightarrow$ If the nucleophilic atoms are from the same period of the periodic table, strength as anucleophile parallels

strength as a base, For example:

$H_{2} O$ < $N H_{3}$

Increasing base strength

Increasing nucleophile strength

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Arrange the following: $C H_{3} C H_{2} C H_{2} C l (I), C H_{3} C H_{2} C H C l C H_{3} (I I) {(C H_{3})}_{2} C H C H_{2} C l (I I I) a n d {(C H_{3})}_{3} C - C l (I V)$ in order of decreasing tendency towards $S N^{2}$ reaction

Q. Arrange the following oxides in the decreasing orders of their basic strength.

I . T l_{2} O

I I . A l_{2} O_{3}

I I I . T l_{2} O_{3}

I V . G a_{2} O_{3}

Q. Arrange the following oxides in the decreasing order of their acidic strengths.

I . Z n O

I I . K_{2} O

I I I . P_{2} O_{5}

I V . M g O

Arrange the following alcohols in order of increasing ease of dehydration
$C H_{3} C H_{2} O H$ $C_{6} H_{5} C H_{2} O H$
I II

$C l_{3} C C H_{2} O H$ $F_{3} C C H_{2} O H$
III IV

In the following molecules:
$B F_{3}, B C l_{3}, B B r_{3}, B I_{3} I, I I, I I I, I V$
The correct order of Lewis acidic strength will be:

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Arrange the following in increasing base strength CH3OHI ⊖CH3CO2I ⊖CH3OII ⊖CH3OIII ⊖OHIV

Arrange the following in increasing base strength

$C H_{3} O H I ⊖ C H_{3} C O_{2} I ⊖ C H_{3} O I I ⊖ C H_{3} O I I I ⊖ O H I V$