Reactivity of transition elements decreases almost regularly from $Sc$ to $Cu$. Explain.

Similar Questions

Which of the following pairs of elements might form an alloy

Assertion : Transition metals are good catalysts.

Reason : $V_2O_5$ or $Pt$ is used in the preparation of $H_2SO_4$ by contact process.

  • [AIIMS 2015]

Ferrous sulphate on heating gives

Which have melting point below $500\,^{\circ} C$.

  • [AIIMS 2019]

The spin-only magnetic moment value of $M ^{3+}$ ion (in gaseous state) from the pairs $Cr ^{3+} / Cr ^{2+}$, $Mn ^{3+} / Mn ^{2}, Fe ^{3+} / Fe ^{2+}$ and $Co ^{3+} / Co ^{2+}$ that has negative standard electrode potential, is $B.M...........$ [Nearest integer]

  • [JEE MAIN 2022]