Identify the incorrect statement among the following.
- A$d$-block elements show irregular behavior compared to their groups.
- B$La$ and $Lu$ have partially filled orbitals and no other partially filled orbitals.
- CThe behavior of different lanthanoids is almost similar.
- D$4f$ and $5f$ orbitals provide similar shielding effects.
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Similar Questions
Match the following elements in List-$I$ with their respective groups in List-$II$.
List-$I$ (Elements) List-$II$ (Group) $A$. $Mn, Tc, Re$ $IV$. $7$ $B$. $Zn, Cd, Hg$ $I$. $12$ $C$. $Ti, Zr, Hf$ $II$. $4$ $D$. $Ga, In, Tl$ $V$. $13$
The correct answer is:
| List-$I$ (Elements) | List-$II$ (Group) |
| $A$. $Mn, Tc, Re$ | $IV$. $7$ |
| $B$. $Zn, Cd, Hg$ | $I$. $12$ |
| $C$. $Ti, Zr, Hf$ | $II$. $4$ |
| $D$. $Ga, In, Tl$ | $V$. $13$ |
The correct answer is:
The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds?
Coinage metals show the properties of
Easy
View SolutionWhich of the following pairs of ions are colourless?
Assertion : The free gaseous $Cr$ atom has six unpaired electrons.
Reason : Half-filled $s$ orbital has greater stability.
Reason : Half-filled $s$ orbital has greater stability.
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