Manganese exhibits maximum oxidation state in
1) K2MnO4
The correct sequence of decreasing order of reactivity of hydrolysis of acid chlorides is :
If $$\upsilon_{1}$$ is the frequency of the series limit of Lyman series, $$\upsilon_{2}$$ is the
The number of solutions of the equation $$z^2+\overline {z}=0$$ is
1) 4 2)
