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The S-Block Elements

Question
CBSEENCH11007088
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'Strenth of the bases increases from LiOH to CsOH'. Comment

Solution
As we go down the group, the cation size increases which results in the increase of the distance between metal-oxygen bond, this, in turn, causes greater separation of the cation from the hydroxide ion. Thus, LiOH is the weakest base while CsOH is the strongest base.

Some More Questions From The s-Block Elements Chapter

The softness of group 1 elements increases down the group with increasing atomic number. Give reason. 

Which is the most reactive alkali metal and why?

Why alkali metals do not form M2+ ions?

Name the radio active element in group 1. How does it resemble with the remaining elements of the group?

Why alkali metals are normally kept in kerosene oil?

Why lithium cannot be stored in kerosene?

Why does lithium form complexes?

Why are alkali metal ions diamagnetic and colourless?

Why are alkali metals the most electropositive in nature?

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