In which of the following cases,the stability of two oxidation states is correctly represented?
- A$Ti^{3+} > Ti^{4+}$
- B$Mn^{2+} > Mn^{3+}$
- C$Fe^{2+} > Fe^{3+}$
- D$Cu^{+} > Cu^{2+}$
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The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds?
Why does zinc not exhibit variable oxidation states?
Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A):$ $Cu^{2+}$ in water is more stable than $Cu^{+}$.
Reason $(R):$ Enthalpy of hydration for $Cu^{2+}$ is much less than that of $Cu^{+}$.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $(A):$ $Cu^{2+}$ in water is more stable than $Cu^{+}$.
Reason $(R):$ Enthalpy of hydration for $Cu^{2+}$ is much less than that of $Cu^{+}$.
In the light of the above statements,choose the correct answer from the options given below:
For which one of the following elements,the $M^{3+} / M^{2+}$ standard electrode potential is more positive?
Transition metal ions form interstitial compounds because...
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