A function y = f (x) has a second order derivative f ’(x) = 6 (x - 1). If its graph passes&
Electron affinity is highest for the halogen
1) Cl2
2)
The correct order of O-O bond length in O2, H2O2 and O3
The number of solutions of the equation $$z^2+\overline {z}=0$$ is
1) 4 2)