Stoichiometry The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies XM = 0.5 XM < 0.5 XM ≥ 0.64 0.5 < XM < 0.64 XM = 0.5 XM < 0.5 XM ≥ 0.64 0.5 < XM < 0.64 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The chemical nature of an element is independent of Its atomic number The number of protons or electrons present in it None of these The number of neutrons present in it Its atomic number The number of protons or electrons present in it None of these The number of neutrons present in it ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Exponentially Inversely Negligibly Linearly Exponentially Inversely Negligibly Linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atmospheric pressure corresponds to a hydrostatic head of 13.6 metres of Hg 1 metre of H₂O 13.6 cms of Hg 34 ft ofH₂O 13.6 metres of Hg 1 metre of H₂O 13.6 cms of Hg 34 ft ofH₂O ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Heat of fusion Both B & C Melting point Heat of vaporisation Heat of fusion Both B & C Melting point Heat of vaporisation 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 Vapor pressure vs. log (temperature) Vapor pressure vs. temperature Log (temperature) vs. log (vapor pressure) Temperature vs. log (vapor pressure) Vapor pressure vs. log (temperature) Vapor pressure vs. temperature Log (temperature) vs. log (vapor pressure) Temperature vs. log (vapor pressure) ANSWER DOWNLOAD EXAMIANS APP