Which of the following order of atomic radius is not wrong
$Sc < Y \approx La$
$K < Rb \approx Cs$
$Ge < Sn > Pb$
$Ni < Pd \approx Pt$
For the first row transition metals the ${E^\Theta }$ values are:
${E^\Theta }$ | $V$ | $Cr$ | $Mn$ | $Fe$ | $Co$ | $Ni$ | $Cu$ |
$\left( {{M^{2 + }}/M} \right)$ | $-1.18$ | $-0.91$ | $-1.18$ | $-0.44$ | $-0.28$ | $-0.25$ | $+0.35$ |
Explain the irregularity in the above values.
Which of the following compounds show colour due to $d-d$ transition?
The $d-$ block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride $(MX_2)$ is volatile on heating is
Mercury is the only metal which is liquid at ${0\,^o}C$. This is due to its
Which is heaviest among the following