Platinum, Palladium and Iridium are called noble metals because
- AAlfred Nobel discovered them
- BThey are shining lustrous and pleasing to look at
- CThey are found in native state
- DThey are inert towards many common reagents.
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Similar Questions
The correct electronic configuration and spin-only magnetic moment $(B.M.)$ of $Gd^{3+}$ $(Z = 64)$ are respectively:
Which of the following compounds is colorless?
Medium
View SolutionThe lanthanide contraction is responsible for the fact that
$Mn^{2+}$ compounds are more stable than $Fe^{2+}$ compounds towards oxidation to their $+3$ state,because
Which ion is not coloured?
Easy
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