ALAAP TUTORIALS.
Himan Kr. Barman
9706984610/ hbtutor11.blogspot.com
PART-1
1.Define limiting reagent? Give example.
2.State Hunds rule of maximum multiplicity? Write E.C. of
Ca.
3.write Aufbau principle ? arrange in increasing order of
energy : 2s,3d,4f,2p
4.which of the following orbital does not exist ? give
reason-: 2s,2d,3f,4f
5.write Bohrs postulate ? mention any two limitations.
6.Write Rutherfords atomic models drawbacks.
7.write any two A.
Heisenburgs uncertainty principle.
B.Paulis exclusion principle. C.De Broglie hypothesis
8.define quantum no. ? write significance.
9. which q.n gives shape & orientation of orbital.
10.distinguish orbit & orbital.
11.what is degenerated orbital ? give example.
12.write E.C. of Cu & Cr ? justify your answer.
13state modern periodic law ? write gen E.C of S-block &
P-block elements.
14.what is shielding effect ?(screening)
15why Cations are smaller than parent atoms ?
16. Define isoelectron species? Give example.
17.find the iso electronic species O2- , F- Na+
,
18.Define Ionisation Enthalpy ? how it is changed across a
period ?
19.Define diagonal relationship ? Write the diagonal
relationship between Mg & Li ?
20.Explain 1st ionization enthalpy is less than 2nd
I.E. ?
Q1.Write 1st law of thermodynamics ? prve that ΔH=ΔU+ΔnRT .
Q.2.Write Hess`s law of constant heat summation ?
Q.3. what is bond enthalpy ? write the 2nd law of
thermodynamics ?
Q.5. define entropy ? write criteria of spontaneity w.r.t.
entropy ?
Q.6. what is Gibbs free energy ? when a reaction become
A. spontaneous
B.equillibrium
Q.7.define
1. reversible process
2.state function
3.intensive property.
Q.8.Define rate constant ? for a reaction show that Kc=[C]c [D]d/[A]a[B]b
Q.9.for a gaseous reaction : aA+bB ↔cC+dD show that Kp = Kc(RT)Δn
Q.10.Write Le Chatelier principle . for the reaction N2(g)
+3H2(g)↔2NH3(g) ΔH=-93.6
KJ write the direction of reaction if
1.temparature is increased
2.pressure is increased
3.N2 is removed
Q.11.BCl3 has zero dipole moment-explain?
Q.12.graphite good conductor of electricity where as
diamond-Explain ?
Q.13.what are sillicons ?how they are formed ?
Q.14.What is catenation ? how it is changed in a group ?
Q.15.KO2 is
paramagnetic –explain ?
Q.16. Find Lewis acid & bases
Br _ ,Ag+ , NCl3,NH3
Q.17.F has less electron gain enthalpy than Cl , explain why ?
Q.17.What is isomerism ? write different types isomerism ?
Q.18.what is hybridization ? write the conditions for hybridization
?
Q.19.δ bond are stronger than ᴨ bond ?
Q.20.what is free radicals ? explain free radicals are very
reactive ?
Q.21.what are carbocations ? write their stability order ?
Q.22.what is Markownikoffs rule ? give example ?
Q.23. some important topics from Environmental chemistry …
A.ozone layer, depletion & adverse effect
B.green house effect & global warming.
C.acid rain & its effect
D. fog
E.effect of- carbon monoxide, oxides of sulpher.
F.B.O.D , eutrophication
Q.24.what is resonance ? explain resonance in O3 , CO32-
,benzene
Q.25 define : functional group,homologous series,inductive
effect.
Q.26. define coefficient of viscosity ? why liquid drops are
spherical ?
Q.27. explain HF is liquid but HCl is gas.
Q.28.define H- bonding ? how viscosity changes with
temperature ?
Q.29. define bond
order ? Draw molecular orbital diagram of Oxygen ?
Q.30. He 2 doesn’t exist- why ?
Q.31.prove Cp-Cv=R.
what is gas constant ?
Q.32.Write the real gas equation ? give significance of a
& b ?
Q.33.Interprete absolute zero in terms of K.T. of gases ?
Q.34.what is diborane ?
Q.35. what is isotope ? which one isotope of hydrogen is
radioactive ?
Q.36.white is heavy water ? write preparation & uses ?
Q.37.how hydrogen peroxide is preapared ? why it is sored in
coloured bottle ?
Q.38. describe a process to remove permanent hardness of
water ?
Q.39.write difference betn oxidation no. & valency ?
Q.40.what is common ion effect ? what is abuffer soln. ?give
exm ?
Q.41. fid O.N.
A) Cr in Cr2 O7- (B) Mn in
MnO4-
© P in H4P2O7
Q.42. balance by ion electron method
(A) MnO4- +H+ + C2O42- → Mn2+
+H2O+ CO2
(B) Cr2 O7- + H++ Cl - → Cr3+
+ Cl2 +H2O.
Q.43.calculate PH of 10-8 M HCl ?
Q.44. determine the empirical formula of an oxide of iron which
has 69.9 % Iron & 30.10 % hydrogen by mass ?
Q45. If 2 moles of Carbon are burnt in 16g dioxygen calculate the
CO2 produced ?
Q.46.at 300K Kp =2.0 Pa. Find Kc for the reaction : 2A(g)
↔2B(g) + C(g)
Q.47. complete the reaction :
(A) CH2=CH2 +Br2 →(CCl4)→?
B) CH3CH=CH2 + HBr →peroxide→ ?
© benzene +Zn dust → ?
(D) Ethylbromide + alc KOH→ ?
Q.47. Sorry I am unable to give some question due to my typing inefficiency…..
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