The rate of a reaction decreased by 3.555 times when the temperature was changed from 40oC to 30oC. The activation energy (in KJ mol-1) of the... View Article
A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P is... View Article
For Freundlich adsorption isotherm, a plot of log (x/m) (y-axis) and log p (x-axis) gives a straight line. The intercept and slope for the line... View Article
A crystal is made up of metal iron 'M1' and 'M2' and oxide ions. Oxide ions form a ccp lattice structure. The cation 'M1' occupies 50% of... View Article
1) the electrolysis of acidified water using Pt electrodes. 2) the reaction of Zn with dilute HCl 3) the electrolysis of brine solution 4) the... View Article
A set of solutions is prepared using 180 g of water as a solvent and 10g of different nonvolatile solutes A, B and C. The relative lowering of... View Article
For a reaction, 4M(s) + n O2(g) -> 2 M2 On (s) the free energy change is plotted as a function of temperature. The temperature below which the... View Article
1) Lactose contains α -glycosidic linkage between C1 of galactose and C4 of glucose. 2) Lactose is a reducing sugar and it gives Fehling's... View Article
The correct match between Item - I and Item - II is : Solution: Natural rubber - Isoprene Neoprene - Chloroprene Buna-N - 1, 3-butadiene +... View Article
The correct match between Item - I (Starting material) and Item - II (reagent) for the preparation of benzaldehyde is : Solution: Hence option... View Article
The value of KC is 64 at 800 K for the reaction N2(g) + 3H2(g) 2NH3(g) The value of KC for the following reaction is : NH3 (g) (1/2) N2(g) +... View Article