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Chemistry-

General

Easy

Question

The hybridization scheme for the central atom includes a $d$ -orbital contribution in

$I_{3}^{-}$
$P C l_{3}$
$N O_{3}^{-}$
$H_{2} S e$

The correct answer is: $I subscript 3 end subscript superscript minus end superscript$

$I subscript 3 end subscript left parenthesis I subscript 2 end subscript leftwards arrow I to the power of minus end exponent right parenthesis s p to the power of 3 end exponent d$
$P C l subscript 3 end subscript s p to the power of 3 end exponent$ (one lone pair on P)
$N O subscript 3 end subscript superscript minus end superscript s p to the power of 2 end exponent$
$H subscript 2 end subscript S e s p to the power of 3 end exponent$ (two lone pairs on Se)

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Which species has the maximum number of lone pair of electrons on the central atom?

Which species has the maximum number of lone pair of electrons on the central atom?

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The nitrogen atoms in $N H subscript 3 end subscript comma blank N H subscript 2 end subscript superscript minus end superscript$ and $N H subscript 4 end subscript superscript plus end superscript$ are all surrounded by eight electrons. When these species are arranged in increasing of $H minus N minus H$ bond angle, correct order is

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Consider the following species
I: $S subscript 4 end subscript O subscript 6 end subscript superscript 2 minus end superscript$ ;
II: $S subscript 3 end subscript O subscript 9 end subscript semicolon$
III: $S subscript 2 end subscript O subscript 5 end subscript superscript 2 minus end superscript semicolon$
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I: $S subscript 4 end subscript O subscript 6 end subscript superscript 2 minus end superscript$ ;
II: $S subscript 3 end subscript O subscript 9 end subscript semicolon$
III: $S subscript 2 end subscript O subscript 5 end subscript superscript 2 minus end superscript semicolon$
IV: $P subscript 3 end subscript O subscript 9 end subscript superscript 3 minus end superscript$ Which of the above species have same number of $X minus O minus X$ linkage ( $X equals P$ or S)?

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Which of the following will be most acidic?

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The abstraction of proton will be fastest, in which carbon in the following compound,

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Identify the final product (Z) in the following sequence of reactions.

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X and Y are

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, is

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