Which of the following statement is Correct
$Ce^{+4}$ act as oxidising as well as reducing agent
Pure $PH_3$ is produced by heating of $PH_4I$ with dil. $CH_3COOH$
Urea, sulphamic acid and thiourea are used to destroy nitrate ion
Titration of boric acid solution is not satisfactory with $NaOH$ solution
Which of the following compound is coloured ?
On adding excess of $N{H_3}$ solution to $CuS{O_4}$ solution, the dark blue colour is due to
Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest $E^o_{M^{3+} /M^{2+}}$ value ?
Which is a stronger reducing agent $Cr ^{2+}$ or $Fe ^{2+}$ and why?
Ammonia is a Lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia