A metal, $M$ forms chlorides in its $+2$ and $+4$ oxidation states. Which of the following statements about these chlorides is correct ?
$MCl_2$ is more ionic than $MCl_4$
$MCl_2$ is more easily hydrolysed than $MCl_4$
$MCl_2$ is more volatile than $MCl_4$
$MCl_2$ is more soluble in anhydrous ethanol than $MCl_4$
Which of the following compounds is not colored yellow ?
Steel differs from pig iron and wrought iron in that it contains
Explain giving reasons:
$(i)$ Transition metals and many of their compounds show paramagnetic behaviour.
$(ii)$ The enthalpies of atomisation of the transition metals are high.
$(iii)$ The transition metals generally form coloured compounds.
$(iv)$ Transition metals and their many compounds act as good catalyst.
Why first ionisation enthalpy of $\mathrm{Cr}$ is lower than that of $\mathrm{Zn}$ ?
Chloride of which of the following elements will be coloured