First slide

Anomalous behaviour of Lithium, Diagonal Relationship with Mg

Question

Which one of the following is a false statement about Lithium or its compounds

Easy

A

Lithium chloride exists as a dihydrate
B

Lithium chloride is soluble in pyridine
C

Lithium can react with Ethyne
D

Lithium is the hardest metal of first group

Solution

LiCl exists as LiCl.2H₂O ;
Lithium chloride is predominantly covalent and thus soluble in pyridine
Lithium cannot react with Ethyne.
Down the group as the size of the atom decreases metallic bond strength decreases, hardness decreases:
Li to Cs softness increases:

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App