Sulphur dioxide bleaches colouring matter by
It is the due to reduction of SO2 to S which produces bleaching effect.
The number S – S bonds in sulphur trioxide trimer, (S3O9) is:
Which is the most thermodynamically stable allotropic form of phosphorus?
Which acid will you use to dissolve lead (II) oxide?
Which of the following is not hydrolysed?
When Sn is treated with conc. HNO3
Which of the following is highly acidic than others?
Which of the following halogen has highest bond dissociation energy?
One mole of calcium phosphide on reaction with excess water gives:
KF combines with HF to form KHF2. The compound contains the species:
Chlorine acts as a bleaching agent only in presence of: