List of top Questions asked in AP EAPCET- 1998

The four quantum numbers of the valence electron of potassium are :

Which of the following has magic number of protons and neutrons?

Which of the following has the highest first ionization potential?

The activity of ratio altitude $ ({{X}^{100}}) $ is 6.023 curie. If its disintegration constant is $ 3.7\times {{10}^{4}}{{\sec }^{-1}}, $ the mass of X is :

The first emission line in the atomic spectrum of hydrogen in the Balmer series appears at:

The radii of $ \text{F,}{{\text{F}}^{-}}\text{O} $ and $ {{\text{O}}^{2-}} $ are in the order

The standard reduction potentials at 298 K for the following half cell reactions are given below: $ Z{{n}^{2+}}(aq)+2{{e}^{-}}\rightleftharpoons Zn(s)-0.762 $ $ C{{r}^{3+}}(aq)+3{{e}^{-}}\rightleftharpoons Cr(s)-0.74 $ $ 2{{H}^{+}}(aq)+2{{e}^{-}}\rightleftharpoons {{H}_{2}}(g)\,0.00 $ $ F{{e}^{3+}}(aq)+{{e}^{-}}\rightleftharpoons F{{e}^{2+}}(aq)+0.77 $ Which one of the following is the strongest reducing agent?

The state of hybridization of B in $ \text{BC}{{\text{l}}_{\text{3}}} $ is :