Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 12

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Identify the correct match.

( $i$ ) ${XeF}_{2}$ (a) Central atom has ${sp}^{3}$ hybridisation and bent geometry.

( $ii$ ) $N_{3}^{-}$ (b) Central atom has ${sp}^{3} d^{2}$ hybridisation and octahedral.

( $iii$ ) ${PCl}_{5} (s)$ anion (c) Central atom has $sp$ hybridisation and linear geometry.

( $iv$ ) $I_{2} {Cl}_{6} (ℓ)$ cation (d) Central atom has ${sp}^{3} d$ hybridisation and linear geometry.

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Important Questions on Chemical Bonding and Molecular Structure

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 13

In which of the following molecules/species are all following characteristics are found:

(a) Tetrahedral hybridisation

(b) Hybridisation can be considered to have taken place with the help of empty orbital(s).

(c) All bond lengths are identical, i.e., all $A - B$ bond lengths are identical.

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 14

In a change from

{PCl}_{3} \to {PCl}_{5}

the bybrid state of changes from :

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 15

Correct statement regarding this reaction:

${BF}_{3} + {NH}_{3} ⟶ [F_{3} B \leftarrow {NH}_{3}]$

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 16

The hybridisation of central atoms in

N_{3}^{-}

,

NOCl

and

N_{2} O

are, respectively:

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 17

The bond angle in

H_{2} O

is nearly

105 °

whereas bond angle in

H_{2} S

is nearly

92 °

. This is because:

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 18

The shape of

O_{2} F_{2}

is similar to:

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 19

The structure of

{ICℓ}_{2}^{+}

would be:

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 2>Q 20

Which of the following statement is false for trisilylamine?