You are given conc. HCl and salts of some alkaline earth metals and directed to conduct flame test and to detect the cation present in each salt.
(a) Can you detect all the cations which are given here by this method? `[CaCl_2, MgSO_4, Ba(NO_3)_2, BeCl_2, SrCl_2]`
(b) Justify your answer.
(c) What is the mechanism of this test?

You are given conc. HCl and salts of some alkaline earth metals and directed to conduct flame test and to detect the cation present in each salt. Justify your answer.

During a lab'work a student is given '1 ∘ , 2 ∘ and 3 ∘ aliphatic AMINES in three unlabelled test tubes. To. distinguisii the AMINES, student uses a mixture of sodiom nitrate and'dilute hydrochloric acid. a) Can the student distinguish the AMINES by us: ing the reagents? Justify'your answer. b) iIlustrate Hinsberg.test to distinguish the above AMINES. "

The chemical reaction between marble and dilute HCl is given CaCO_3+2HCl rarr CaCl_2+H_2O+CO_2 Which gas is formed here ? How can you identify this gas ?

The experiments conducted by two students are given below. Experiment 1: 2mL of sodium thiosulphate solution is taken in a test tube, heated and to it 2 mL of HCl solution is added. Experiment 2: 2 mL of sodium thiosulphate solution is taken in a test tube and to it 2 mL of HCl solution is added. In which experiment is the precipitate formed quickly ? justify your answer.