Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 10 100 70 20 10 100 70 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is C₄H9OH C2H33OH (C₂H₄)2H₂.OH C₃H21OH C₄H9OH C2H33OH (C₂H₄)2H₂.OH C₃H21OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 78.51 80 79.62 80.38 78.51 80 79.62 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the Temperature vs. log (vapor pressure) Vapor pressure vs. temperature Log (temperature) vs. log (vapor pressure) Vapor pressure vs. log (temperature) Temperature vs. log (vapor pressure) Vapor pressure vs. temperature Log (temperature) vs. log (vapor pressure) Vapor pressure vs. log (temperature) 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 Solute concentration Temperature Both A & B Neither A nor B Solute concentration Temperature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Boiling point of a solution as compared to that of the corresponding solvent is More Same Either more or less; depends upon the solvent Less More Same Either more or less; depends upon the solvent Less ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS