The maximum number of oxidation states of a transition metal is derived from which of the following electronic configurations?
- A$ns$ electron
- B$(n-1)d$ electron
- C$(n+1)d$ electron
- D$ns + (n-1)d$ electron
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Similar Questions
Which of the following statements is incorrect?
Match the column-$I$ with column-$II$.
column-$I$ $(\text{Property})$
column-$II$ $(\text{Metal})$
$i$. An element which can show $+8$ oxidation state
$a$. $Mn$
$ii$. $3d$ series element that can show upto $+7$ oxidation state
$b$. $Cr$
$iii$. $3d$ series element with highest melting point
$c$. $Os$
| column-$I$ $(\text{Property})$ | column-$II$ $(\text{Metal})$ |
|---|---|
| $i$. An element which can show $+8$ oxidation state | $a$. $Mn$ |
| $ii$. $3d$ series element that can show upto $+7$ oxidation state | $b$. $Cr$ |
| $iii$. $3d$ series element with highest melting point | $c$. $Os$ |
Medium
View SolutionWhich block element from the following are known as transition elements?
The melting point of $Zn$ is lower compared to those of the other elements of the $3d$ series because $-$
Medium
View SolutionMatch the following atoms/ions with their correct electronic configurations:
Atom/Ion Electronic Configuration $(1) \ Cu$ $(A) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}$ $(2) \ Cu^{2+}$ $(B) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^2$ $(3) \ Zn^{2+}$ $(C) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^1$ $(4) \ Cr^{3+}$ $(D) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^9$ $(E) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^3$
| Atom/Ion | Electronic Configuration |
| $(1) \ Cu$ | $(A) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}$ |
| $(2) \ Cu^{2+}$ | $(B) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^2$ |
| $(3) \ Zn^{2+}$ | $(C) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^1$ |
| $(4) \ Cr^{3+}$ | $(D) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^9$ |
| $(E) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^3$ |
Medium
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