Advertisements
Advertisements
प्रश्न
Account for the following:
Ce4+ is a strong oxidising agent.
Advertisements
उत्तर
Ce4+ is a good oxidising agent because it reverts to the +3 oxidation state in an aqueous medium.
APPEARS IN
संबंधित प्रश्न
ln which pair highest oxidation states of transition metals are found:
Account for the following:
Cu+ ion is unstable in aqueous solution.
Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.
Give reasons:
E° value for the Mn3+/Mn2+ couple is much more positive than that for Fe3+/Fe2+.
The transition metals show _________ character because of the presence of unpaired· electrons and Cu+ is ____________ because of its electronic configuration is [Ar]3d10
Electronic configuration of a transition element X in +3 oxidation state is [Ar]3d5. What is its atomic number?
Although Zirconium belongs to 4d transition series and Hafnium to 5d transition series even then they show similar physical and chemical properties because ______.
Ionisation enthalpies of Ce, Pr and Nd are higher than Th, Pa and U. Why?
When an oxide of manganese (A) is fused with KOH in the presence of an oxidising agent and dissolved in water, it gives a dark green solution of compound (B). Compound (B) disproportionates in neutral or acidic solution to give purple compound (C). An alkaline solution of compound (C) oxidises potassium iodide solution to a compound (D) and compound (A) is also formed. Identify compounds A to D and also explain the reactions involved.
The spin magnetic moment of cobalt in the compound Hg [Co(SCN)4] is:-
