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  4. What is the osmotic pressure of 3.42 %[.w/v]. sucrose solution [.molwt=342]. at 127° C? R = 0 . 08 Latm mol- 1K- 1.

Q. What is the osmotic pressure of sucrose solution at

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3. At standard conditions, if the change in the enthalpy for the following reaction is Given that bond energy of and is and , respectively, what is the bond energy (in of ?

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4. An organic compound contains (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of is is ]

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5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol]

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6. Given below are half cell reactions:




Will the permanganate ion, liberate from water in the presence of an acid ?

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7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

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8. Following limiting molar conductivities are given as



for will be-

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9. One atom of an element weighs . Its atomic mass is

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A,
the number of sigma(s) bonds present in the product A is :-

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