Stoichiometry If pH value of a solution is 8, then its pOH value will be 7 10 1 6 7 10 1 6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is Increases with rise in pressure Increased with decrease in pressure Independent of temperature Unchanged with pressure changes Increases with rise in pressure Increased with decrease in pressure Independent of temperature Unchanged with pressure changes ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry According to Raoult's law, "The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component." Raoult's law is not applicable under the following assumption/condition. The attractive forces between like and unlike molecules are almost equal The component molecules are non polar and are of almost equal size In the formation of solution, chemical combination/molecular association between unlike molecules takes place No component is concentrated at the surface of the solution The attractive forces between like and unlike molecules are almost equal The component molecules are non polar and are of almost equal size In the formation of solution, chemical combination/molecular association between unlike molecules takes place No component is concentrated at the surface of the solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. +1632.3 +816.15 -1632.3 -2448.45 +1632.3 +816.15 -1632.3 -2448.45 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is < 7 Constant over a wide range > 7 7 < 7 Constant over a wide range > 7 7 ANSWER DOWNLOAD EXAMIANS APP
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