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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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