Section I
Q.2 Write short answers to any EIGHT (8) questions: Differentiate between theoretical yield and experimental yield
Define with two examples
Law of conservation of mass has to be obeyed during stoichiometric calculations
iv. Justify it iodine dissolves readily in CO What is chromatography and R-value?
vi. Calculate 5.1 unit of R
vi. Derive Boyle's saw from kinetic molecular theory of gates viil. Write down any two characteristics of plasma
State Charles's law. Write down its mathematical form
x. Relative lowering of vapour pressure is independent or temperature Justify this statement
xi. Define hydration energy of ions
xii. What are continuous solubility curves? Give one example
(CH 1.04 (CH.1, Q30)
ICH 1. Ex Q2
(CH 4, Ex Q12
(CH 2,0 36 & 4 (CH 3. Q21
(CH 3, Q40)
(CH 3, Q57)
(CH 3, Q30 CH 9, Ở B
(CH 9, Ex Q
ICH 9,024
Q.3 Write short answers to any EIGHT (8) questions:
1. What is role of hydrogen bonding in paints, dyes, and textile materials? il. What do you mean by liquid crystal? Write down any two uses of it
ii. Define the property of solids allotropy and give two examples iv. The crystals showing isomorphism mostly have the same atomic
ratios, explain
V How neutron was discovered by Chadwick? Also write down reacti
vi. Write down postulates of Planck's atomic model
vii. How azimuthal quantum oumber (/1gives information about types of subs
vili. Explain the concept of atomic spectrum.
b. Write down optimum conditions of temperature and prare in the mamifacture of ammonia by
1288-161
(CH 4. Q21) (CH 4, Q 42 & 46
(CH 4.063)
(CH 4,
Ex 012 (CH 3. Q 42
ICH SQ31)
ICH SQ 78
(CHS, Q
ber's proces (CH 8. Q 17 & 18
(CH 8, Q23) (CH 11. Q21
(CH 11, Q
X. Define pH and pOH of solutions
kl. What do you understand by rate determining step? Give a suitable example
xil. How does Archenius equation help us to calculate the energy of activation of a reaction?
Q.4 Write short answers to any SIX (6) questions: 1. Define ionization potential of element. How lonization potential vary across the period?
v. Define enthalpy of solution with an example. vi State first law of thermodynamics. Give its mathematical expression
ICH 6, Q1
Anionic radius is greater than that of its parent atomic radius. Whe
iii. Draw the structure of NHs with reference to VSEPR theory Iv. How do electronegativity values charge in a group?
(CH 6, Q 44
(CH 6, Q26)
ICH 7. Q2460)
(CH 7, Q15)
vii. Calculate the oxidation numbers of elements underlined. Na:CO, b) KMnO viii. Give function of salt bridge.
(CH 10, Ex Q4(d) & Q 15) (CH 10, Q 31
ix. Why SHE acts as cathode when connected with Zn electrode but SHE acts as anode when connected with Cu? July
(CH 16, Ex Q16
Section II
Note: Attempt any THREE questions from the following: 05 a) When limestone (CCO) is roasted then quicktime (CaO) is formed according to the following equation.
The actual
of (CaO) is 2.5 kg, when 4.5 kg of limestone is heated. What is the percentage yield of this reaction Cat 0,(5) CaCXS) +CO(s)
b) Discuss the role of hydrogen bonding in biological compounds. a) Write fundamental postulates of kinetic molecular theory of gases
Q.6
b) Discuss four postulates of Bohr's model of atom.
Q.7
a) What is sp hybridization? Explain the structure of methane b) Explain measurement of enthalpy by a glass calorimeter
a) Calculate the pH of 10 mole dn of NH4OH, which is 1% dissociated. b) Explam ralife method for determination of orde of reaction of solutions are depressed when Q9 Franong p mite solutes are present in
graph to late OUR WORWE b) Discuss measurement of electrode potential by standard hydrogen electrode
Comments
Post a Comment