MEDIUM
JEE Main
IMPORTANT
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Important Questions on Qualitative Inorganic Salt Analysis
MEDIUM
JEE Main
IMPORTANT
Which of the following radical(s) on reaction with dilute liberate(s) gas, which decolourize(s) acidified solution?
MEDIUM
JEE Main
IMPORTANT
Which of the following sulphide would dissolve in hot and concentrated nitric acid?
MEDIUM
JEE Main
IMPORTANT
Which of the following reactions will give both gases and ?
HARD
JEE Main
IMPORTANT
Write the chemical reaction associated with the "borax bead test" of cobalt .
MEDIUM
JEE Main
IMPORTANT
A soluble compound of a poisonous element, , when heated with gives a colourless and extremely poisonous gaseous compound, , which on passing through a heated tube gives a silvery mirror of the element . Identify and .
MEDIUM
JEE Main
IMPORTANT
During the qualitative analysis of a mixture containing and ions, gas is passed through an acidified solution containing these ions in order to test ions. Explain briefly.
MEDIUM
JEE Main
IMPORTANT
A certain metal (A) is boiled in dilute nitric acid to give a salt (B) and an oxide of nitrogen (C). An aqueous solution of (B) with brine gives a precipitate (D) which is soluble in . On adding an aqueous solution of (B) to hypo solution, a white precipitate (E) is obtained. E turns black on standing. Identify (A) to (E).
MEDIUM
JEE Main
IMPORTANT
The yellow ammonium sulphide solution is a suitable reagent used for the separation of
