AIPMT 2012 Preliminary Mock Test

Predict the products in the given reaction:

Which one of the alkali metals forms only the normal oxide, ${\text{M}}_2\text{O}$ on heating in air?

Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

Sulphur trioxide can be obtained by which of the following reaction:

Standard enthalpy of vapourisation ${\Delta }_{\text{vap}}{H}^{\circ }$ for water at $100^{\circ }\text{C}$ is $40.66\text{kJ/mol}$. The internal energy of vapourisation of water at $100^{\circ }\text{C}$ (in $\text{kJ/mol}$) is: