$3d^{10}4s^0$ electronic configuration is exhibited by
- A$Zn^{2+}$
- B$Cu^{2+}$
- C$Cd^{2+}$
- D$Hg^{2+}$
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Similar Questions
The metal ion having maximum paramagnetic behaviour among the first transition series elements is,
In which of the following pairs are both the ions coloured in aqueous solution?
(At. no. $:$ $Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27$)
(At. no. $:$ $Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27$)
MediumAIPMT 2006
View SolutionWhich one of the following belongs to the $3d-$ transition series?
Easy
View SolutionMatch 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:
In chromyl chloride,the number of $d$-electrons present on chromium is same as in (Given atomic number of $Ti = 22, V = 23, Cr = 24, Mn = 25, Fe = 26$)
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