`("Yellow ppt") T overset(K_(2)CrO_(4)//H^(+))(rarr)X overset(dil. HCl)(rarr) Y ("Yellow ppt")+Z uarr ("pungent smelling gas")`
If `X` gives green flame test. Then, `X` is

overset(Mg)rarr X overset(CO_(2))rarr Y overset(H_(2)O)rarr Z

2CH_(3)COCH_(3)overset(dil. NaOH)(rarr)X overset(NH_(3))(rarr)Y Y is :

2CH_(3)CHO overset(OH^(-))rarr X rarr Y overset(H_(2)-Pd//C)rarr Z, Z is

MCI_(2) + K_(2)CrO_(4) rarr yellow ppt, what can be MCI_(2) a. If it is soluble in hot water? b. If it gives green colour in flame ?

(T) imparts violet colour overset(compd(U)+conc.H_(2)SO_(4))(to)(V)"Red gas"overset(NaOH+AgNO_(3))(to) (W) Red ppt.overset(NH_(3)so "in".)(to)(X) (W)"Red ppt."overset(dil. HCl)(to)(Y) white ppt. (U) overset(NaOH)underset(Delta)(to)(Z) gas ( gives white fumes with HCl) The compound 'T' & 'U' are