In higher Oxidation states transition elements show acidic nature
In context with the transition elements, which of the following statements is incorrect?
Held on 30 Apr 2009 · Verified 6 Jul 2026.
In addition to the normal oxidation states, the zero oxidation state is also shown by these elements in complexes.
In the highest oxidation states, the transition metal show basic character and form cationic complexes.
In the highest oxidation states of the first five transition elements (Sc to Mn), all the 4s and 3d electrons are used for bonding.
Once the d5 configuration is exceeded, the tendency to involve all the 3d electrons in bonding decreases.
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First and second ionization enthalpies of lithium are $520$ kJ mol$^{-1}$ and $7297$ kJ mol$^{-1}$ respectively. Energy required to convert $3.5$ mg lithium (g) into $\text{Li}^{2+}$(g) $[\text{Li(g)} \rightarrow \text{Li}^{2+}\text{(g)}]$ is _______ kJ mol$^{-1}$. (nearest integer) [Molar mass of Li $= 7$ g mol$^{-1}$]
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Which of the following elements has the highest electronegativity?
Which of the following elements has the highest electronegativity?
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