Select the correct statement

$column 1$	$column 2$	$column 3$
$(I)$ $1$s orbital	$(i)$ $\psi_{n, l, m_l} \propto\left(\frac{Z}{a_0}\right)^{\frac{3}{2}} e^{-\left(\frac{Z r}{a_0}\right)}$	$image$
($II$) $2 \mathrm{~s}$ orbital	$(ii)$ One radial node	$(Q)$ Probability density at nucleus $\propto \frac{1}{a_0^3}$
$(III)$ $2 p_z$ orbital	$(iii)$ $\psi_{n, l m_l} \propto\left(\frac{Z}{a_0}\right)^{\frac{5}{2}} r e^{-\left(\frac{Z r}{2 a_0}\right)} \cos \theta$	$(R)$ Probability density is maximum at nucleus
$(IV)$ $3 \mathrm{~d}_{\mathrm{z}}^2$ orbital	$(iv)$ $x y$-plane is a nodal plane	$(S)$ Energy needed to excite electron from $n=2$ state to $n=4$ state is $\frac{27}{32}$ times the energy needed to excite electron from $n=2$ state to $n=6$ state

($1$) For the given orbital in Column $1$, the only $CORRECT$ combination for any hydrogen-like species is

$[A] (IV) (iv) (R)$ $[B] (II) (ii) (P)$ $[C] (III) (iii) (P)$ $[D] (I) (ii) (S)$

($2$) For $\mathrm{He}^{+}$ion, the only INCORRECT combination is

$[A] (II) (ii) (Q)$ $[B] (I) (i) (S)$ $[C] (I) (i) (R)$ $[D] (I) (iii) (R)$

($3$) For hydrogen atom, the only $CORRECT$ combination is

$[A] (I) (iv) (R)$ $[B] (I) (i) (P)$ $[C] (II) (i) (Q)$ $[D] (I) (i) (S)$

Give the answer quetion ($1$) ($2$) and ($3$)

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The number of subshells associated with $n=4$ and $m =-2$ quantum numbers is :

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Dry bleaching is done by

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$STATEMENT-1$: $\quad \mathrm{Pb}^{4+}$ compounds are stronger oxidizing agents than $\mathrm{Sn}^{4+}$ compounds.and

$STATEMENT-2$: The higher oxidation states for the group $14$ elements are more stable for the heavier members of the group due to 'inert pair effect'.

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Wilkinson catalyst is

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The number of sigma and pi bonds in $1-$butene$-3-$yne are

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Which of the following order is not correct?

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The orbital angular momentum of an electron in an $s$ orbital is

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The major product of the following reaction is