d and f-Block ElementsHard
Question
The solid laboratory reagent ′A′ gives the following reactions -
(i) It imparts green colour to the flame
(ii) Its solution does not give a precipitate on passing H2S
(iii) When it is heated with solid K2Cr2O7 and concentration H2SO4, a red gas is evolved. When this gas passed into aqueous solution of NaOH, turns it yellow -Identify ′A′
(i) It imparts green colour to the flame
(ii) Its solution does not give a precipitate on passing H2S
(iii) When it is heated with solid K2Cr2O7 and concentration H2SO4, a red gas is evolved. When this gas passed into aqueous solution of NaOH, turns it yellow -Identify ′A′
Options
A.PbCl2
B.BaCl2
C.NaCl
D.None of these
More d and f-Block Elements Questions
Which one of the following nitrates will leave behind a metal on strong heating?...Which of the following ions will exhibit colour in aqueous solutions ?...Select the correct statement(s)...A pink coloured salt turns blue on heating. The presence of which cation is most likely ?...Which of the following exhibits only +3 oxidation state?...