
Practical Chemistry Quiz-3
Answer these simple questions correctly and earn coins
Popular Questions In Practical Chemistry Quiz-3
Oxidation of oxalic acid by acidified is an example of autocatalysis, it is due to the presence of
In the preparation of , pyrolusite () is first converted to potassium manganate (). In this conversion, the oxidation state of manganese changes from
Deep green precipitate of gives yellow solution on addition in presence of excess of base. The yellow colour is due to
is preferred to for use in volumetric analysis as a primary standard because
What would happen when a solution of potassium chromate is treated with an excess of dilute
The product of oxidation of with in alkaline medium is
The purple colour of is due to the transition
reacts with in alkaline to give
A student accidentally added conc. to potassium permanganate and it exploded due to the formation of an explosive which is
gets reduced to