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UP Board XII
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Chemistry
List of top Chemistry Questions on Electronic Configurations of the d-Block Elements asked in UP Board XII
Which elements are called transition elements? Explain: (i) Transition metals generally form coloured compounds, (ii) Transition metals or ions and many of their compounds show paramagnetic behaviour.
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
In solution Cu$^+$ ions are colourless while Cu$^{2+
$ ions are coloured. Why?}
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
Colourless ion in the following is –
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
Write the colour of the following ions in aqueous solution: (i) Zn$^{2+
$ (ii) Cu$^{2+}$ (iii) Fe$^{2+}$.}
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
Number of unpaired electrons in Cu$^{2+
$ (Z = 29) is –}
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
The most common oxidation states of Mn are –
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
Transition metals generally form coloured compounds.
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
In comparison to Mn\(^ {3+}\) ions Mn\(^ {2+}\) ions are more stable. Why?
UP Board XII - 2025
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
Four alternatives are given in each part of this question. Write the correct alternative in your answer-book.
Fe is:
UP Board XII - 2024
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements
The configuration showing maximum oxidation state is:
UP Board XII - 2024
UP Board XII
Chemistry
Electronic Configurations of the d-Block Elements