Neet PYQ 2007

Which one of the following vitamins is water-soluble?

If there is no rotation of plane polarized light by a compound in a specific solvent, thought to be chiral, it may mean that:

Consider the following sets of quantum numbers

Which of the following sets of quantum number is not possible?

Which one of the following ions is the most stable in aqueous solution? (At. No. $\text{Ti}=22,\text{V}=23,\text{Cr}=24,\text{Mn}=25$)

Concentrated aqueous sulphuric acid is $98\%{\text{ H}}_2{\text{SO}}_4$ by mass and has a density of $1.80{\text{ g mL}}^{-1}$. The volume of acid required to make one litre of $0.1{\text{ M H}}_2{\text{SO}}_4$ solution is: