CI
18
30
11
(M 2009)
APPENDICES LOX
CHEMISTRY IIA
24. For the following cell Zn/Zo? CAC
31. The standard e out for the cell reaction
=0,30V and to
10.36V A 200 K The
= 0.36VThen the value of
C1/12o'lis
equilibrium constant of the ronction is
1) 10
1) 5 x 10
2) 14 x 101
2)
1)0,01
4)1310
3) 74 101
29. The standard reduction potential for iwa ronctions
are given below
32. The standard em of a gavano coll involvine cell
ACC + ABC P=0,22V
reaction with n = 2 is found to be 0.295 V at 2c.
All
(P = 06500 mol! R83140K-mol
AB=0.ROV
The solubility product of AgCl under standard
The equilibrium constant of the monclion would be
1 LOX 100
2) 2,0 X 100
conditions of temperature (298 K) is given by
3) 4,0 x 101
4) LOX 10
1) 1,5 x 10-10
2) 1.5 x 10
3) 32 x 10-10
33. Standard electrode potentials of
4) 3.2 x 10-
Foto 2e → Te and Pelle are 0.440V
26. What is the approximate quantity of electricity in
and 0,036V respectively. The standard electrode
coulombs required to deposit all the silver from
potential (Cº) for FM Folio
500 ml IM AgNO, mueous solution (AL WL of
1) 0.476V
2) 0,404V
Ag = 108) 2
3) +0,404V
1) +0,7727
1) 96500
2) 24125 3) 48250 4) 12062,5
The standard Potentials at 25°C for the half reactions
27. The coll, Zn / Zn?(IM) // Cu(M) / Cu
are given against them below
(E 110 V), was allowed to be completely
Zn +2 → Zn = 0.762V
discharged at 298 K. The relative concentration of
M7 | 2e - My; = 2,37y
Znto Cut is
When Zn dust is added 10 a solution of Mech
1) 37.3
1) Magneslum I precipitated
2) 107)
3) 9.65 x 10
2) zinc dissolves in the solution
4) antilop (2404)
3) Zinc chloride is formed
28. If the number of moles of electrons involved in a 4) No reaction takes place
reaction is doubled by muluplying all of the species 35. For the cell, Hg, Hly CI/CI (OIM) //CL (0.01M)
appearing in the overall renction by 2 then the
CIP DO is 110 V Hence, Belli
potential is
11.1591 V
2) LISTY
1 halved
2) doubled
3) 10400 V
1-10409 V
3) unchanged
4) squared
36. Por the following cell reaction
29. The standard EMF of Daniel cell is 1.10 volt. The
Aglag'AgCUCIICI, PU
maximum electrical work obtained from the Daniel AO (AgCl) = -1096J/mol,
cell
AGC) 129KJ/mol and
1) 212,3 KI
2) 175.4KT
AG"(Ag') = 78KJ/mol, of the cell is
3) 106,15 KJ
4) 53,07 KJ
1)-0.60v 2) 0.60v 3) 6.0V 4) Nono
30 Ir the Pb concentration is maintained at OM what 37. Por copper ball cell, the graph bolweon reduction
is the Cu?', when the cell potentia trop to vert?
potential (y axis) and log(Cu Tin straight line with
P=0,473V Pb/Pb/IC/C.
the Y.Intercept + 0.34V, Reduction potential of
1) 1 x 10-6M
coppor electrode with 0.01 M CISO, solution in
2) IX JOOM
10.40V
2) 0.28V
3) 1 X 10 MM
4) IX 10M
3) +0.28 V
1) 0.40 V
2300X
NEO SERIES for Sri Chaitanya Sr. NEON Students
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