The pair of compound which cannot exist together in solution is:

Give reasons of the following:
Hydrogen peroxide is a better oxidising agent than water.

Write the IUPAC name of :
CH₃CH₂CH = CHCOOH

The vapour pressure of ethanol and methanol are 44.5 and 88.7 mm Hg respectively. An ideal solution is formed at the same temperature by mixing 60 g of ethanol with 40 g of methanol. Calculate the total vapour pressure of the solution and the mole fraction of methanol in the vapour.