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A closed flask contains water in all its three states solid, liquid and vapour at 0°C. In this situation, the average kinetic energy of water molecules will be[1992]
  • a)
    the greatest in all the three states
  • b)
    the greatest in vapour state
  • c)
    the greatest in the liquid state
  • d)
    the greatest in the solid state
Correct answer is option 'B'. Can you explain this answer?
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A closed flask contains water in all its three states solid, liquid an...
Velocity and hence the K.E is  maximum in the gaseous state.
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A closed flask contains water in all its three states solid, liquid an...
In the three states of matter, the maximum kinetic energy is possessed by the gaseous molecules, so water vapour state has maximum kinetic energy in this situation.
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A closed flask contains water in all its three states solid, liquid an...
°C. At this temperature, the water is said to be in a state of equilibrium. This means that the rate of water molecules evaporating from the liquid phase is equal to the rate of water molecules condensing back into the liquid phase. The solid ice and the liquid water are also in equilibrium, with the rate of ice melting being equal to the rate of liquid water freezing.

In this closed system, the amount of water molecules in each state remains constant over time. When a water molecule evaporates from the liquid phase and condenses back into the liquid phase, the number of water molecules in each state does not change. Similarly, when a water molecule melts from the solid ice phase and freezes back into the solid ice phase, the number of water molecules in each state does not change.

This equilibrium is maintained due to the balance between the energy gained and lost by the water molecules. At 0°C, the average kinetic energy of the water molecules is relatively low, but there is still enough energy for some molecules to overcome the intermolecular forces and transition into the vapor phase. At the same time, some water molecules in the vapor phase lose enough energy to condense back into the liquid phase or freeze into the solid phase.

Overall, the closed flask containing water in all its three states at 0°C represents a dynamic equilibrium, where the rates of phase transitions are equal and the amount of water molecules in each state remains constant.
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Attempt All sub parts from each question.Molecular Perspective In water, there are two types of molecules. Some molecules are at the surface, called exterior molecules, and some molecules are inside, called interior molecules. The interior molecules are attracted to all the molecules around them. The exterior molecules are attracted to only the other surface molecules and to those below the surface. So that the energy state of the molecules on the interior is much lower than that of the molecules on the exterior. The molecules always try to maintain a lower energy state and hence the exterior molecules experience a downward force. This force is known as cohesive force. As a result they try to maintain a minimum surface area, thus allowing more molecules to have a lower energy state. Thus surface tension is created. The water molecules attract one another due to the water molecule’s polar property. The hydrogen ends, which are positive in comparison to the negative ends of the oxygen, cause water to "stick " together. This is why there is surface tension. Water has very high surface tension. It is 72.8 milli newton per meter at 20°C.Q. Which one of the following is the correct molecular structure of water molecule?

Two containers X Y are present with container X consisting of some mass of He at some temperature while container Y having double the volume as that of container X kept at same temperature containing same mass of H2 gas as the mass of Helium gas. Based on this data the following conditions answer the question that followsAssume sizes of H2 molecule He atom to be same size of Hatom to be half to that of Heatom only bimolecular collisions to be occuring.Condition I: all except one atom of He are stationary in cont. X all molecules of H2 are moving in container Y.Condition II: both containers contain all moving moleculesQ. Assuming condition I to be applicable if no. of total collisions occuring per unit time is A in container X then no. of total collisions made by any one molecule in container Y will be

Two containers X Y are present with container X consisting of some mass of He at some temperature while container Y having double the volume as that of container X kept at same temperature containing same mass of H2 gas as the mass of Helium gas. Based on this data the following conditions answer the question that followsAssume sizes of H2 molecule He atom to be same size of Hatom to be half to that of Heatom only bimolecular collisions to be occuring.Condition I: all except one atom of He are stationary in cont. X all molecules of H2 are moving in container Y.Condition II: both containers contain all moving moleculesQ. Assuming condition II to be applicable, if temperature only of container Y is doubled to that of original (causing dissociation of all H2 gas into H gaseous atoms) then, if no. of total collisions per unit volume per unit time in container X is A then, no. of total collisions made by all molecules per unit volume in container Y would be

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A closed flask contains water in all its three states solid, liquid and vapour at 0°C. In this situation, the average kinetic energy of water molecules will be[1992]a)the greatest in all the three statesb)the greatest in vapour statec)the greatest in the liquid stated)the greatest in the solid stateCorrect answer is option 'B'. Can you explain this answer?
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A closed flask contains water in all its three states solid, liquid and vapour at 0°C. In this situation, the average kinetic energy of water molecules will be[1992]a)the greatest in all the three statesb)the greatest in vapour statec)the greatest in the liquid stated)the greatest in the solid stateCorrect answer is option 'B'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A closed flask contains water in all its three states solid, liquid and vapour at 0°C. In this situation, the average kinetic energy of water molecules will be[1992]a)the greatest in all the three statesb)the greatest in vapour statec)the greatest in the liquid stated)the greatest in the solid stateCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A closed flask contains water in all its three states solid, liquid and vapour at 0°C. In this situation, the average kinetic energy of water molecules will be[1992]a)the greatest in all the three statesb)the greatest in vapour statec)the greatest in the liquid stated)the greatest in the solid stateCorrect answer is option 'B'. Can you explain this answer?.
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