Electronegativity and its Applications

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Electronegativity and its Applications: Overview

This topic covers concepts, such as Electronegativity, Pauling's Scale of Electronegativity, Mulliken's Scale of Electronegativity, Factors Affecting Electronegativity, Variation of Electronegativity in Periodic Table, etc.

Important Questions on Electronegativity and its Applications

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The decreasing values of bond angles from   NH 3 ( 106° ) to   SbH 3 ( 101° ) down group-15 of the periodic table is due to –

 

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The formation of the oxide ion,   O 2 (g)  requires first an exothermic and then an endothermic step as shown below :

  O(g)+ e O (g);ΔH°=142kJmo l 1

  O (g)+ e O 2 (g);ΔH°=844kJmo l 1

This is because

 

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Most electronegativity element in the periodic table

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Which of the following forms the most stable gaseous negative ion?

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The highly metallic element will have the configuration of

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Among the following, element that has the highest electronegativity is

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Identify the correct option regarding the electronegativity EN of Sb in SbF3 and SbF5 molecule.

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What is the tendency of an atom to attract the bonding electrons towards itself called?

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Which of the following order is correct for the property mentioned in brackets?

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There are two statements, one labelled as Assertion A and the other as Reason R . Examine both the statements carefully and mark the correct choice.

Assertion A : The O-H bond angle in H2O is greater than S-H bond angle in H2S.

Reason R : Due to larger size of S, hydrogen bonding does not occur in H2S.

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Compare the stability of the following carbanions:

i. OH-  ii.SH-         iii.  Cl-

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Arrange F, Cl, O, N in the decreasing order of electronegativity

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Two elements A and B have electrons affinity as EAA and EAB and ionization potentials IA and IB . If A is more electronegative element than B. Then, there must be

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The Pauling's and Mulliken's electronegativity are related as

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The most widely used and accepted for electronegativity is "Pauling's scale". This scale is based on

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Allred and Rochow's scale of electronegativity is based on

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If x, y and z are electronegativity, inonisation potential and electron - affinity respectively. Then the electron affinity (z) in the terms of electronegativity (x) and ionization potential (y) will be