Derive the units for gas constant R in general gas equation
Section I
Q.2 Write short answers to any EIGHT (8) questions:
Calculate mass in kilograms of 2.6x10 molecules of SO
1. Calculate mass in grams of 5.136 males of Ag:CO
Calculate mass in grams of 2.74 moles of KMnO
iv. Define sublimation. Name two compounds which can be sublimed Define (a) solvent extraction (b) Rr value.
vii. Briefly discuss general gas equation.
vill. Describe centigrade scale of thermometry ix. Write two applications of Dalton's law of partial pressure.
x. Define fractional rstallization Give one example
xi. What is non ideal solution? Give one example xit. Define colligative properties Name four colligative properties
(2x816)
(CH 1. Ex Q10)
(CH 1, Ex Q10)
(CH 1, Ex Q10) (CH2.0 20
ICH 2. Q 31 & 431
dm ICH 3, Q 20 (CH 3,019)
(CH 3, Q16
(CH 3, Q34
CH 9 Q25)
(CH 9, Q16 (CH 9, Q28)
Q.3 Write short answers to any EIGHT (8) questions:
1. Write six crystallographic elements of a monoclinic crystal system il. Explain crystal lattice briefly
iii Define transition temperature giving one example
iv Explain cleavage planes
V. Cathode rays are material particles. Explain it.
vi. Write any two properties of neutron.
vii. Explain continuous spectrum briefly
viii. Define atomic absorption spectrum giving one example ix. Give one difference between reversible and irreversible reactions
X. Define pH and pOH
xi. Define instantaneous rate and average rate of a reaction
xii. Define order of a reaction giving one example Write short answers to any SIX (6) questions:
(2x8-16)
(CH 4.0 52
(CH 4.0 50
(CH 4,068)
(CH 4.0 53
(CH 5. Q30)
(CH 5 Q46)
(CHS Q60)
ICH 5, Q 38
(CH.Q2
(CH 8. Q 23
(CH 11. Q7
Q.4
What is basic assumption of VSEPR theory?
ii. Define coordinate covalent bond. Give example iii. Define electron affinity. Give example
iv. Why NH, is a pyramidal molecule? v. What is system and surrounding?
vi Define enthalpy of combustion Give example vil. What is electrochemistry?
viii. What is electrolytic conduction? ix. How electrochemical series is used to calculate voltage of cell? Give example
(2×6-12)
(CH 6, Q 42 (CH 6. Q 33
(CH 6. Q21
(CH 6. Q 45
(CH 7, Q9)
(CH 7, Q 2400
(CH 10, Q1
(CH 10, Q1
ICH 10. Q3
Section-II
Note: Attempt any THREE questions from the following: Q.S a) When lime stone is roasted, quicklime is produced according to following equation: CaCO(g)CO(g)+CQ)
(3x824)
The actual yield of CaO is 2.5kg when 4. 5kg of lime stone is roasted. Find its percentage yield. b) Define and explain factors affecting the London forces.
Q6 a) How Dalton's law of partial pressure calculates the partial pressure of a gas? b) Explain measurement of e/m value of electron. a) Define covalent bond. Write its types with reference to polar covalent bond.
Q.7
b) What is the first law of thermodynamics? How does it explain that q-AE? Q.8 a) When 1.00 mole of steam and 1.00 mole of carbon monoxide are allowed
1941
to reach equilibrium, 33.3% of the equil
mixture is hydrogen. Calculate the value of K State the units of K
b) Explain how Arrhenius equation tells us the effect of temperature on the rate constant a) Explain the measurement of freezing point by Beckmann's freezing point apparatus
b) Define electrochemical series. Write its two applications.
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