NEET 2021 Question Paper Mock Test

The correct option for the value of vapour pressure of a solution at $45^{\circ }\text{C}$ with benzene to octane in molar ratio $3:2$ is: [At $45^{\circ }\text{C}$ vapour pressure of benzene is $280\text{mm Hg}$ and that of octane is $420\text{mm Hg}$ ]

Which of the following molecules is non-polar in nature?

The reagent 'R' in the given sequence of chemical reaction is:

Match List - I with List - II:

From the following pairs of ions which one is not an iso-electronic pair?