Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Vapour presuure of pure ‘ A’ is 70 mm of Hg at 25 degree C . it forms an ideal solution with ‘ B’ in which which mole fraction of A is 0.8 . If the vapour pressure of the solution of pure ‘ B’ at 25 degree C is
12
Dec
Vapour presuure of pure ‘ A’ is 70 mm of Hg at 25 degree C . it forms an ideal solution with ‘ B’ in which which mole fraction of A is 0.8 . If the vapour pressure of the solution of pure ‘ B’ at 25 degree C is At 80∘ C the amount [...]
An aqueous solution of methanol in water has vapour pressure ( a) Equal to that of water (b) equal of that of methanol (c) more than that of water (d) less than that of water
12
Dec
An aqueous solution of methanol in water has vapour pressure ( a) Equal to that of water (b) equal of that of methanol (c) more than that of water (d) less than that of water An aqueous solution of methanol in water has vapour pressure ( a) Equal to that of water (b) equal of [...]
The vapour pressure of water at 20 degree C is 17.54 mm. When 20 g of a non – ionic substance is dissolved in 100 g of water, the vapour is lowered by 0.30 mm. what is the molecular weight of the substances
12
Dec
The vapour pressure of water at 20 degree C is 17.54 mm. When 20 g of a non – ionic substance is dissolved in 100 g of water, the vapour is lowered by 0.30 mm. what is the molecular weight of the substances the vapour is lowered by 0.30 mm. what is the molecular weight [...]
Which of the following can be measured by the Ostwald – Walker dynamic method (a) Vapour pressure of the solvent ( b) Relative lowering of vapour pressure (c) Lowering vapour (d) All of these
12
Dec
Which of the following can be measured by the Ostwald – Walker dynamic method (a) Vapour pressure of the solvent ( b) Relative lowering of vapour pressure (c) Lowering vapour (d) All of these Which of the following can be measured by the Ostwald - Walker dynamic method (a) Vapour pressure of the solvent ( [...]
The mass of glucose that should be dissolved in 50 g of water on water in order to produce the same lowering pof vapour pressure as is produced by dissolving 1 g of urea in the same quantity of water is
12
Dec
The mass of glucose that should be dissolved in 50 g of water on water in order to produce the same lowering pof vapour pressure as is produced by dissolving 1 g of urea in the same quantity of water is At 80∘ C the amount of A in the mixture is : (1 atm=760 [...]
60 gm of Urea ( Mol. wt 60 ) was dissolved in 9.9 moles , of water. If the vapour pressure of pure water is P0, the vapour presuure of solution is
12
Dec
60 gm of Urea ( Mol. wt 60 ) was dissolved in 9.9 moles , of water. If the vapour pressure of pure water is P0, the vapour presuure of solution is 60 gm of Urea ( Mol. wt 60 ) was dissolved in 9.9 moles of water. If the vapour pressure of pure water [...]
At 300 K two pure liquids A and B have pressure respectively 150 mm Hg and 100 mm Hg . In an equimolar liquid mixture of A and B , the mole fraction of B in the vapour mixture at this temperature is
12
Dec
At 300 K two pure liquids A and B have pressure respectively 150 mm Hg and 100 mm Hg . In an equimolar liquid mixture of A and B , the mole fraction of B in the vapour mixture at this temperature is At 300 K two pure liquids A and B have pressure respectively [...]
How many of following cannot show tautomerism acetophenone, acetaldehyde, cyclohexanone, acetylacetone, benzoquinone, acetone, benzaldehyde, butanone, ethyl acetoacetate
12
Dec
How many of following cannot show tautomerism acetophenone, acetaldehyde, cyclohexanone, acetylacetone, benzoquinone, acetone, benzaldehyde, butanone, ethyl acetoacetate acetaldehyde acetone acetylacetone benzaldehyde benzoquinone butanone cyclohexanone ethyl acetoacetate How many of following cannot show tautomerism acetophenone December 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
At 25 degree C , the total presurre of an ideal solution obtained by mixing 3 moles of A and 2 moles of B , is 184 torr. What is the vapour pressure ( in torr ) of pure B at the same temperature ( vapour pressure of pure A , at 25 degree C , is 200 torr )
12
Dec
At 25 degree C , the total presurre of an ideal solution obtained by mixing 3 moles of A and 2 moles of B , is 184 torr. What is the vapour pressure ( in torr ) of pure B at the same temperature ( vapour pressure of pure A , at 25 degree C [...]
For the compound Give the number 1 for presence of resonance only, 2 for presence of resonance and hyperconjugation only, 3 for presence of resonance, hyperconjugation and inductive effect and 4 for presence of resonance hyperconjugation, inductive effect and electronic effect
12
Dec
For the compound Give the number 1 for presence of resonance only, 2 for presence of resonance and hyperconjugation only, 3 for presence of resonance, hyperconjugation and inductive effect and 4 for presence of resonance hyperconjugation, inductive effect and electronic effect 2 for presence of resonance and hyperconjugation only 3 for presence of resonance For [...]