Example the reaction of haloarene with aq.NaoH at 623 K and 30 atm pressure .

What happens when chlorobenzene is treated with NaOH at 623k and 300 atm pressure and the resulting solution is treated with dilute acid ?

Example the reaction of haloarene with CH_3Cl in presence of Lewis acid.

Example the reaction of haloarene with conc. HNO_3 in presence of H_2SO_4 .

Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is 10.0 kcal/mol. What will be the change in internal energy (triangleE) of 3 mole of liquid at same temperature:

Bauxite ore is made up of Al_(2)O_(3) +SiO_(2) +TiO_(2) +Fe_(2)O_(3) This ore is treated with concentrated NaOH solution at 500 K and 35 bar pressure for few hours and filtered hot. In the filtrate, which species are present?

(i) How will you convert phenol to benzoic acid? (ii) An organic compound A having molecular formula, C_6H_6O gives a characteristic colour with aqueous FeCl_3 solution. A on treatment with CO_2 and NaOH at 400 K under pressure gives B which on acidification gives a compound C. The compound C reacts with acetyl chloride to give D which is a popular pain killer. Deduce the structure of A, B, C and D.

Calculate the volume of gas evolved with 7 gm of nitrogen gas at 2 atm Pressure and 273.15K .

A and B are two identical vessels. A contains 15 g of ethene at 298 K and 1 atm. The vessel B contains 75 g gas X_2 at the same temperature and pressure. The vapour density of X_2 is :