Which of the following orbitals have same value of $(\mathrm{n}+l)$ as that of 3 d orbital?

What is the number of moles of sulfur atoms present in n mole molecules of mustard gas?

Which of the following is a tricarboxylic acid?

What is the value of slope, if $\log _{10} \mathrm{~K}$ (y-axis) is plotted versus $1 / \mathrm{T}$ ( $x$-axis) for Arrhenius equation?