$K_2Cr_2O_7 \xrightarrow{\Delta} A + B + C$
If $B$ is a green-colored compound,then it would be:

Which transition metal oxide among the following has electrical conductivity similar to that of copper?

Which alloy of steel is used in making automobile parts and utensils?

Consider the following reactions:
$K_2Cr_2O_7 + NaCl + H_2SO_4 \rightarrow CrO_2Cl_2 + \text{Side Products}$
$CrO_2Cl_{2(Vapour)} + NaOH \rightarrow B + NaCl + H_2O$
$B + H^+ \rightarrow C + H_2O$
The number of terminal $'O'$ atoms present in the compound $'C'$ is $..........$

Potassium manganate $(K_2MnO_4)$ is not formed in which of the following reactions?

Name the oxometal anions of the first series of the transition metals in which the metal exhibits the oxidation state equal to its group number.