Which one amongst the following are good oxidizing agents?
$A.$ $Sm ^{2+}$ $B.$ $Ce ^{2+}$ $C.$ $Ce ^{4+}$ $D.$ $Tb ^{4+}$
Choose the most appropriate answer from the options given below :
$C$ only
$D$ only
$A$ and $B$ only
$C$ and $D$ only
The most malleable of all the metals is
Invar, an alloy of $ Fe$ and $ Ni $ is used in watches and meter scale, its characteristic property is
The property exhibited by only transitional elements
${V_2}{O_5}$ is useful as catalyst in
The transition metals have a less tendency to form ions due to