Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is CS₂ > H₂O > C₂H₅OH H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O CS₂ > H₂O > C₂H₅OH H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Heat of fusion Melting point Both B & C Heat of vaporisation Heat of fusion Melting point Both B & C Heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Isotopes are atoms having the same None of these Number of neutrons Mass number Atomic mass None of these Number of neutrons Mass number Atomic mass 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.? 0.4 0.1 0.6 0.2 0.4 0.1 0.6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of 100 1000 None of these 3 100 1000 None of these 3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of gas constant 'R' is __________ kcal/kg.mole.°C. 3.99 1.987 None of these 2.79 3.99 1.987 None of these 2.79 ANSWER DOWNLOAD EXAMIANS APP
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