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 SO2.
Sulphur dioxide gas (SO2) is bubbled through acidified potassium dichromate. The orange solution turns green.
Which of the following statements is correct about sodium chloride in the solid state? ...
Which of the following substances decomposes when an electric current is passed through it? ...
Give the common name for the following compound (CH3)2 CH CH2 -Br...
which of the following elements has the highest ionization energy? ...
Which of the following compounds dissolves readily in water?...
Which of the following equations represents a substitution reaction? ...
What is the chemical symbol for Erbium? ...
The ratio of the number of molecules in 2g of hydrogen to that in 16g of oxygen is...
Given that for the reaction KOH (aq) + HCI(aq) → KCI(aq) + H2O(L) H = - 54 Kj mol-1. What is th...