Maleic anhydride

Maleic anhydride can be prepared by :

Consider the above reaction sequence, Product "A" and Product "B" formed respectively are:

Consider the given reaction, the product '$\mathrm{X}$' is:

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}={\mathrm{CH}}_2\underset{\mathrm{Rh} \mathrm{catalyst}}{\overset{{\mathrm{H}}_2/\mathrm{CO}}{\to }}$

The major product of the following chemical reaction is :

Which of the following reagent is suitable for the preparation of the product in the above reaction?

List-I (Salt)		List-II (Flame colour wavelength)
(a)		(i)	${\mathrm{Br}}_2/\mathrm{NaOH}$
(b)		(ii)	${\mathrm{H}}_2/\mathrm{Pd}-{\mathrm{BaSO}}_4$
(c)		(iii)	$\mathrm{Zn}\left(\mathrm{Hg}\right)/\mathrm{Conc}.\mathrm{HCl}$
(d)		(iv)	${\mathrm{Cl}}_2/\mathrm{Red} \mathrm{P}, {\mathrm{H}}_2\mathrm{O}$

Choose the correct answer from the options given below: