Home
Class 12
CHEMISTRY
A colorless inorganic compound impart a ...

A colorless inorganic compound impart a green color to flame. It’s solution gives white precipitate with `H_2SO_4`, when it is heated with `K_2Cr_2O_7` and coc `H_2SO_4` a red vapour is evolved. The oxidation nuber of metal in red vapour is :

Promotional Banner

Similar Questions

Explore conceptually related problems

A colourless inorganic compound (A) imparts a green colour to the flame. Its solution gives a white ppt. (B) with H_(2)SO_(4) . When heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a brown red vapour/gas (C) is formed. The gas/ vapour when passed through aqueous NaOH solution, it turns into a yellow solution (D) which forms yellow precipitate (E) with CH_(3)COOH and (CH_(3)COO)_(2)Pb . with reference to above information, answe the following questions. Q. The colourless inorganic compound (A) is:

A colourless inorganic compound (A) imparts a green colour to the flame. Its solution gives a white ppt. (B) with H_(2)SO_(4) . When heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a brown red vapour/gas (C) is formed. The gas/ vapour when passed through aqueous NaOH solution, it turns into a yellow solution (D) which forms yellow precipitate (E) with CH_(3)COOH and (CH_(3)COO)_(2)Pb . with reference to above information, answe the following questions. Q. The colourless inorganic compound (A) is:

A colourless inorganic compound (A) imparts a green colour to the flame. Its solution gives a white ppt. (B) with H_(2)SO_(4) . When heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a brown red vapour/gas (C) is formed. The gas/ vapour when passed through aqueous NaOH solution, it turns into a yellow solution (D) which forms yellow precipitate (E) with CH_(3)COOH and (CH_(3)COO)_(2)Pb . with reference to above information, answe the following questions. Q. The liberated gas vapour (C) is:

A colourless inorganic compound (A) imparts a green colour to the flame. Its solution gives a white ppt. (B) with H_(2)SO_(4) . When heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a brown red vapour/gas (C) is formed. The gas/ vapour when passed through aqueous NaOH solution, it turns into a yellow solution (D) which forms yellow precipitate (E) with CH_(3)COOH and (CH_(3)COO)_(2)Pb . with reference to above information, answe the following questions. Q. The yellow ppt. formed when (D) reacts with CH_(3)COOH and (CH_(2)COO)_(2)Pb is:

On heating a metal chloride with K_2Cr_2O_7 and conc. H_2SO_4 , the gas evolved is :

What happens when aniline reacts with K_2Cr_2O_7 and H_2SO_4 .

A colourless inorganic compound (A) imparts a green colour to flame. Its solution does not give white precipitate with H_(2)S . Its solution gives white precipitate with conc. H_(2)SO_(4) which is insoluble in dil. H_(2)SO_(4) . When it is heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a red gas is evolved. The gas when passed through aqueous NaOH solution turns it Yellow. Identify the compound (A) and give chemical reactions.

A colourless inorganic compound (A) imparts a green colour to flame. Its solution does not give white precipitate with H_(2)S . Its solution gives white precipitate with conc. H_(2)SO_(4) which is insoluble in dil. H_(2)SO_(4) . When it is heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a red gas is evolved. The gas when passed through aqueous NaOH solution turns it Yellow. Identify the compound (A) and give chemical reactions.