Section 1
Write short answers to any EIGHT (8) questions Justify the statement 25g sodium and 23g of have
Magnesium atom is twice heavier That 180g glucose nad 342g of sucrose have same
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iv. What is difference between partition and adsorption type of
v. Define sublimation by giving one example
vi State Charles's law by ging its mathematical expres vil. Do you think that some of the postulates in kinetics theory t
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vill. State Avogadro's law of gases.
ix. Where is plasma found?
Define fractional crystallization by giving one example xi. Why NaSO..100 shows discontinuous solubility cure
xil. Define colligative properties
Q.3 Write short answers to any EIGHT (8) questions: Define dipole-dipole forces with one example
ii. What is dipole-induced dipole force?
iii. Define London dispersion forces
iv. Why ethane is gas while hexane is a liquid
V. Define spectrum
vi. What is Stark effect?
vil. Define Heisenberg uncertainty principle
vill. Define atomic orbital
ix. Define the Le-chatler's principle
x. Why catalyst does not affect the equilibrium position
xi. Define order of reaction
xii. What is half-life period?
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Q.4 Write short answers to any SIX (6) questions
L Define ionization energy and electron affinity with one example
Write the Lewis structures for the following compounds al C iii. Define hybridization What type of hybridization is found in Ou?
iv. Write down four postulates of VSEPR theory. Define the following with one example in each case. a) Standard enthalpy of reaction b) Standard
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V Differentiate between internal energy of the system and the enthalpy of the system
vii. Why the standard oxidation potential of Zn is +0.76 V and its reduction potential a
viii. Why the equilibrium is set up between metal atoms of electrode and sons of r
ix. Why a salt bridge maintains the electrical neutrality in the cell?
Section-II
Note: Attempt any THREE questions from the following: Q.5 a) Calculate the masses of 10 moles of Mg50, and 2.74 moles EM
b) Describe any four crystal systems
Q.6 a) Write down eight postulates of kinetic molecular theory of gas b) Derive the equation for the radius of nth orbit of hydrogen atom uning Bohr's model a) Define ionization energy. Name the factors on which it depends
Q.7 b) Define enthalpy and prove that Al-q,
Q.8 a) What is the percentage ionization of acetic acid in a solution in which 0.1 mol of it has b solution (K 1.85 x 10'1
b) What is Arrhenius equation? How can you calculate the energy of activation of a rea
Q.9 a) Briefly explain the working of Galvanic cell b) Explain Beckmann method to determine depresion of Freezing Paint
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