NEET 2016 Question Paper - Phase-II Code XX Mock Test

The hybridizations of atomic orbitals of nitrogen in ${\text{NO}}_2^{+}$, ${\text{NO}}_3^{-}$ and ${\text{NH}}_4^{+}$ respectively are:

Which of the following fluoro-compounds is most likely to behave as a Lewis base?

Which of the following pairs of ions is isoelectronic and isostructural?

In context with beryllium, which one of the following statements is incorrect?

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?