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  • Which one of the following order shows the correct increasing order of basicity of alkali metal hydroxides?Option: 1 CsOH<RbOH<KOH<NaOH<

Which one of the following order shows the correct increasing order of basicity of alkali metal hydroxides?

Option: 1

CsOH<RbOH<KOH<NaOH


Option: 2

NaOH<KOH<RbOH<CsOH


Option: 3

KOH<RbOH<NaOH<CsOH


Option: 4

NaOH<RbOH<KOH<CsOH


Answers (1)

best_answer

As we learnt

 

Importance of ionisation potential -

 

The elements with low values of I.P are basic in nature.

-

 As we move down the group, the ionisation enthalpy decreases. As a result, the M-OH bond is more and more easily cleaved and hence basic strength increases down the group.

Hence, the option number (2) is correct.

Posted by

vinayak

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