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Assertion : Noble gases have highest ion...

Assertion : Noble gases have highest ionisation enthalpies in their respective periods.
Reason : Noble gases have stable closed shell electronic configuration.

A

If both assertion and reason are true annd the reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but the reason is false

D

if assertion is false but the reason is true

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The correct Answer is:
A
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The ion having a noble gas electronic configuration is

Assertion : Noble gases are chemically inert Reason :All noble gases have ns^(2)np^(6) valence shell electronic configuration

A : Noble gases have highest ionization energies in their respective periods . R : The outer most sub-shell of noble gases in which electron enters is completely filled .

Assertion : Ionisation enthalpy of noble gases is zero Reason :Noble gases have fully field valance shell

Why do noble gases have positive electron gain enthalpies?

Give reasons why? Noble gases have Zero electron affinity.

Assertion:In the present form of periodic table,the period number corresponds to the highest principal quantum number of the elements in the period. Reason:Elements having similar outer electronic configuration in their atoms belongs to same period.

Statement-1 : Noble gases have high ionisation energy. Statement-2 : Noble gases belong to 18^(th) group.

Why do noble gases have low boiling points ?

With reference of first three periods of the periodic table. Noble gas with electronic configuration of 2,8 .

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