Stoichiometry The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm. 0.65 65 6.5 0.065 0.65 65 6.5 0.065 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of a vapor gas mixture may be increased by increasing the Temperature at constant humidity Temperature and the humidity Humidity at constant temperature All of these Temperature at constant humidity Temperature and the humidity Humidity at constant temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.1 0.6 0.4 0.2 0.1 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the Neither A nor B Both A & B Temperature Solute concentration Neither A nor B Both A & B Temperature Solute concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of reaction is a function of the Neither (a) nor (b) Temperature Both(a)&(b) Pressure Neither (a) nor (b) Temperature Both(a)&(b) Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of H₂SO₄ (5% concentration) is < 7 5 7 > 7 < 7 5 7 > 7 ANSWER DOWNLOAD EXAMIANS APP