Which of the following set of elements does not belong to transitional elements set
Which of the following set of elements does not belong to transitional elements set
- A
$Fe,$ $Co,$ $Ni$
- B
$Cu,$ $Ag,$ $Au$
- C
$Ti,$ $Zr,$ $Hf$
- D
$Ga,$ $In,$ $Tl$
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Ionisation enthalpies of $Ce,\,Pr$ and $Nd$ are higher than $Th,\,Pa$ and $U$. Why ?
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Horn silver is
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In which of the following pairs are both the ions coloured in aqueous solution ?
(At. no. : $Sc = 21, Ti = 22, Ni = 28,$$ Cu = 29, Co = 27$)
In which of the following pairs are both the ions coloured in aqueous solution ?
(At. no. : $Sc = 21, Ti = 22, Ni = 28,$$ Cu = 29, Co = 27$)
- [AIPMT 2006]