Multiple Choice Questions (Type-II)

In the form of dichromate, $\mathrm{Cr} \left(\mathrm{VI}\right)$ is a strong oxidising agent in acidic medium but $\mathrm{Mo} \left(\mathrm{VI}\right)$ in ${\mathrm{MoO}}_3$ and $\mathrm{W} \left(\mathrm{VI}\right)$ in ${\mathrm{WO}}_3$ are not because ___________.

Which of the following actinoids show oxidation states upto $+7$?

General electronic configuration of actinoids is$(\mathrm{n}–2){\mathrm{f}}^{ 1–14} (\mathrm{n}-1){\mathrm{d}}^{0–2}{\mathrm{ns}}^2.$ Which of the following actinoids have one electron in$6\mathrm{d}$orbital?

Which of the following lanthanoids show $+2$ oxidation state besides the characteristic oxidation state $+3$ of lanthanoids?

Which of the following ions show higher spin only magnetic moment value?

Transition elements form binary compounds with halogens. Which of the following elements will form${\mathrm{MF}}_3$ type compounds?

Which of the following will not act as oxidizing agents?

Although $+3$ is the characteristic oxidation state for lanthanoids but cerium also shows $+4$oxidation state because _____.