Match each coordination compound in Column I with an  appropriate pair of characteristics from Column II and select  the correct answer using the code given below the lists

Column I		Column II
a.	$\left[\mathrm{Cr}{\left({\mathrm{NH}}_3\right)}_4{\mathrm{Cl}}_2\right]\mathrm{Cl}$	p.	Paramagnetic and exhibits ionisation isomerism
b.	$\left[\mathrm{Ti}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\mathrm{Cl}\right]{\left({\mathrm{NO}}_3\right)}_2$	q.	Diamagnetic and exhibits cis-trans isomerism
c.	$\left[\mathrm{Pt}\left(\mathrm{en}\right)\left({\mathrm{NH}}_3\right)\mathrm{Cl}\right]{\mathrm{NO}}_3$	r.	Paramagnetic and  exhibits cis-trans isomerism
d.	$\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_4{\left({\mathrm{NO}}_3\right)}_2\right]{\mathrm{NO}}_3$	s.	Diamagnetic and exhibits ionisation isomerism

• A

  a$\to$s, b $\to$ p; c$\to$ q; d $\to$ r

• B

  a$\to$r, b $\to$ p; c$\to$ s; d $\to$ q

• C

  a$\to$r, b $\to$ p; c$\to$ q; d $\to$ s

• D

  a$\to$q, b $\to$p; c$\to$ r; d $\to$ s