The colour changes observed when testing for reducing age...
The colour changes observed when testing for reducing agents using acidified potassium heptaoxodichromate (VI) solution is?
yellow to purple
orange to green
green to orange
purple to yellow
Correct answer is B
Reducing agent like SO\(_2\).
Sulphur dioxide gas (SO\(_2\)) is bubbled through acidified potassium dichromate. The orange solution turns green.
The mathematical expression of PH is ...
If the molecular mass of tetraoxosulphate (VI) acid is 98, calculate its vapour density. ...
Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆Hϴ = -x...
If a solid has a low melting point and dissolves readily in benzene, it would probably...
Which of the following elements would displace copper from a solution of copper ions? ...
Which of the following is NOT a true statement of the kinetic Theory of Gases? ...
The oxidation of chromium in Cr\(_2\)O\(_7)\(-2\) ?...
Which of the following salts on hydrolysis would give an alkaline solution? ...