Salt Analysis (Cations & Anions): JEE Questions & Solutions

Consider the following reactions. PbCl2 + K2CrO4 A + 2KCl (Hot solution) A + NaOH B + Na2CrO4 PbSO4 + 4CH3COONH4 (NH4)2SO4 + X In the above…

In the group analysis of cations, Ba^2+ & Ca^2+ are precipitated respectively as

Among the following cations, the number of cations which will give characteristic precipitate in their identification tests with K4[ Fe(…

Find the compound A from the following reaction sequences: A aqua regia B (1) KNO3, NH4OH yellow ppt.

Choose the correct sets with respective observations: (1) CuSO4 (acidified with acetic acid) + K2Fe(CN)6 (neutralized with NaOH) Blue…

When a salt is treated with sodium hydroxide solution, it gives gas X. On passing gas X through reagent Y, a brown coloured precipitate is…

The oxidation number of iron in the compound formed during the brown ring test for NO3^- ion is:

Given below are two statements: Statement-I: The gas liberated on warming a salt with dilute H2SO4, turns a piece of paper dipped in lead…

Number of metal ions characterized by flame test among the following: Sr^2+, Ba^2+, Ca^2+, Cu^2+, Zn^2+, Co^2+, Fe^2+

The compound that is white in color is:

Consider the following test for a group-IV cation: M^2+ + H2S A (Black precipitate) + byproduct A + aqua regia B + NOCl + S + H2O B + KNO2…

Match the List-I with List-II:

During the borax bead test with CuSO4, a blue-green colour of the bead was observed in the oxidizing flame due to the formation of:

During the qualitative analysis of SO3^2- using dilute H2 SO4, SO2 gas is evolved which turns K2 Cr2 O7 solution (acidified with dilute H2…

In the wet tests for identification of various cations by precipitation, which transition element cation doesn’t belong to group IV in…

Given below are two statements: Statement I: Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the…

A solution of FeCl3, when treated with K4[Fe(CN)6], gives a prussian blue precipitate due to the formation of:

Formation of which complex, among the following, is not a confirmatory test of Pb^2+ ions:

Match List I with List II:

When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark brown…

In the wet tests for detection of various cations by precipitation, Ba^2+ cations are detected by obtaining precipitate of: