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Identify the incorrect statement among t...

Identify the incorrect statement among the following .

A

, Shielding power of 4f electrons is quite weak

B

There is a decrease in the radii of the atoms or ions as one proceeds from La to Lu

C

Lanthanoid contraction is the accumulation of successive shrinkages

D

s a result of lanthanoid contraction, the properties of 4d series of the transition elements have no similarities with the 5d series of elements

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The correct Answer is:
D
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  8. A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...

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  13. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

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