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WorksheetsJEE Rank Booster Quiz 1
Total questions: 17
Worksheet time: 51mins
The difference between ΔH and ΔU (ΔH - ΔU), when the combustion of one mole of heptane(l) is carried out a temperature T is equal to :
-4 RT
-3 RT
4 RT
3 RT
2 2 a
2 a
a / 2
2 a
+144.0 KJ mol-1
-74.8 KJ mol-1
-144.0 KJ mol-1
+74.8 KJ mol-1
a→p, b→q, c→r, d→s
a→p, b→r, c→q, d→s
a→q, b→p, c→r, d→s
a→p, b→s, c→q, d→r
ΔU is equal to
isobaric work
isothermal work
adiabatic work
isochoric work
base and base
base and acid
acid and base
acid and acid
(III) 〈 (II) 〈 (I)
(II) 〈 (III) 〈 (I)
(III) 〈 (I) 〈 (II)
(II) 〈 (I) 〈 (III)
(a) → (III), (b)→ (I), (c)→(II), (d)→(IV)
(a) →(IV), (b)→(II), (c)→(I), (d)→(III)
(a) →(II), (b)→(IV), (c)→(I), (d)→(III)
(a) → (III), (b)→ (I), (c)→(IV), (d)→(II)
3 equivalents
4 equivalents
5 equivalents
None of these
The pH of 0.02 M NH4Cl solution will be
[given Kb (NH4OH) = 10–5 and log 2 = 0.301]
2.65
5.35
4.35
4.65
option a
option b
option c
option d
option a
option b
option c
option d
2
3
4
8
The minimum amount of O2(g) consumed per gram of reactant is for the reaction : (Given atomic mass : Fe = 56, O = 16, Mg = 24, P = 31, C = 12, H = 1)
C3H8(g) + 5O2(g) → 3 CO2(g) + 4 H2O(l)
P4(s) + 5O2(g) → P4O10(s)
4Fe(s) + 3O2(g) → 2 Fe2O3(s)
2 Mg(s) + O2(g) → 2 MgO(s)
a = R, b = S
a = R, b = R
a = S, b = S
a = S, b = R
The highest possible oxidation states of uranium and plutonium, respectively, are
6 and 4
7 and 6
4 and 6
6 and 7
The crystal field stabilization energy (CFSE) of [Fe(H2O)6]Cl2 and K2[NiCl4], respectively, are :-
–0.4Δo and –0.8Δt
–0.4Δo and –1.2Δt
–2.4Δo and –1.2Δt
–0.6Δo and –0.8Δt
