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'Which of the following statement is not...

'Which of the following statement is not correct?

A

`La(OH)_3` is less basic than `Lu(OH)_3`

B

In lanthanide series ionic radius of `Ln^(3+)` ions decreases

C

Zn, Cd, Hg are colourless and are diamagnetic

D

Mn shows maximum oxidation state +7

Text Solution

Verified by Experts

The correct Answer is:
A
`La(OH)_3` is more basic than ` Lu (OH)_3 ` this is because ionic size of ` La^(3+)` ion is more than ` Lu^(3+)`ion
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