Which $d-$ block element is expected to have highest enthalpy of atomisation, among the following ?
Which $d-$ block element is expected to have highest enthalpy of atomisation, among the following ?
- A
$Sc$
- B
$Mn$
- C
$V$,$Zn$
- D
None of these
Similar Questions
Which of the following compounds is metallic and ferromagnetic ?
Which of the following compounds is metallic and ferromagnetic ?
- [JEE MAIN 2016]
Which of the following contain $'Sn'$ metal
Which of the following contain $'Sn'$ metal
Consider the following reaction
$\mathrm{MnO}_2+\mathrm{KOH}+\mathrm{O}_2 \rightarrow \mathrm{A}+\mathrm{H}_2 \mathrm{O} .$
Product ' $A$ ' in neutral or acidic medium disproportionate to give products ' $\mathrm{B}$ ' and ' $\mathrm{C}$ ' along with water. The sum of spin-only magnetic moment values of $B$ and $C$ is . . . . . .$BM$. (nearest integer)
(Given atomic number of $\mathrm{Mn}$ is $25$ )
Consider the following reaction
$\mathrm{MnO}_2+\mathrm{KOH}+\mathrm{O}_2 \rightarrow \mathrm{A}+\mathrm{H}_2 \mathrm{O} .$
Product ' $A$ ' in neutral or acidic medium disproportionate to give products ' $\mathrm{B}$ ' and ' $\mathrm{C}$ ' along with water. The sum of spin-only magnetic moment values of $B$ and $C$ is . . . . . .$BM$. (nearest integer)
(Given atomic number of $\mathrm{Mn}$ is $25$ )
- [JEE MAIN 2024]
When $Cu^{2+}$ ion is treated with $KI$, a white precipitate is formed. Explain the reaction with the help of chemical equation.
When $Cu^{2+}$ ion is treated with $KI$, a white precipitate is formed. Explain the reaction with the help of chemical equation.
Cuprous ion is colourless, while cupric ion is coloured because
Cuprous ion is colourless, while cupric ion is coloured because