Answer Q32, 33, 34 DecreaseIncreases29In the reaction between aqueous KI andaqueous peroxodisulphate,S,0 ions, iron (I1)ions can be used as a catalyst, What type ofcatalysis is this?(A)AgHeterogeneous catalystHomogeneous catalystAutocatalysisInhibition catalysis(B)(C)(D)30 As the atomic number increases across periodPb + 2e Pb("Agag) +e Ag)The cm fof the cell isE° = -0.13 V3 of the periodic tableThe electronegativity decreasesThe electron affinity decreasesE° = +0.80(A)(B)(C)(D)31 Which of these exist as giant molecular24The atomic radius decreases(B)+0.67 VThe e m.f of the cell can be measured by-0.93 Ve (A)(C)-0.67 V25+0.93 VThe effective nuclear charge decreases(D)tiSing(A.)(B.)SLI UCtures(A)(C)32 Which of the carbonates below are NOTBe and MgC and P(B)(D)N; and SsC and Ala low-resistance voltmetera high resistant voltmetera galvanometera conductivity meterIlow will the em.f vary upon the additiot(C)(D)decomposed by heat?LiCO, and NazCO:CACO, and LICO:CACO, and K2CO;NazCO, and K2CO,26(B)of more water to the left hand electrode?(A)(B)(C)(D)33 Arrangethefollowing oxoacids in order ofRemain the sameWill rise and fall with change in(C)increasing acid strength(D)HCIO, < HBrO3< HIO:HBrO< HCIO1

For question 32; Sodium Carbonate and Potassium Carbonate are thermally stable compounds so they do…

32 Which of the carbonates below are NOT decomposed by heat? LiCO and NazCO: CACO, and LICO: CACO, and K2CO: (B) (C) (D) 33 Arrange the following oxoacids in order of increasing acid strength (A) (B) (C) (D) HBrOs< HIO;< HCIO 34 What is the electronic configuration of the element chromium (Z-24) (A) (Ne]4s 3d (C)[Arj4s'3d Na:CO and KCO, HCIO, < HBrO< HIO HBrO< HCIO,

32 Which of the carbonates below are NOT decomposed by heat? LiCO and NazCO: CACO, and LICO: CACO, and K2CO: (B) (C) (D) 33 Arrange the following oxoacids in order of increasing acid strength (A) (B) (C) (D) HBrOs< HIO;< HCIO 34 What is the electronic configuration of the element chromium (Z-24) (A) (Ne]4s 3d (C)[Arj4s'3d Na:CO and KCO, HCIO, < HBrO< HIO HBrO< HCIO,

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Answer Q32, 33, 34

Decrease
Increases
29
In the reaction between aqueous KI and
aqueous peroxodisulphate,S,0 ions, iron (I1)
ions can be used as a catalyst, What type of
catalysis is this?
(A)
Ag
Heterogeneous catalyst
Homogeneous catalyst
Autocatalysis
Inhibition catalysis
(B)
(C)
(D)
30 As the atomic number increases across period
Pb + 2e Pb(
"Agag) +e Ag)
The cm fof the cell is
E° = -0.13 V
3 of the periodic table
The electronegativity decreases
The electron affinity decreases
E° = +0.80
(A)
(B)
(C)
(D)
31 Which of these exist as giant molecular
24
The atomic radius decreases
(B)
+0.67 V
The e m.f of the cell can be measured by
-0.93 V
e (A)
(C)-0.67 V
25
+0.93 V
The effective nuclear charge decreases
(D)
tiSing
(A.)
(B.)
SLI UCtures
(A)
(C)
32 Which of the carbonates below are NOT
Be and Mg
C and P
(B)
(D)
N; and Ss
C and Al
a low-resistance voltmeter
a high resistant voltmeter
a galvanometer
a conductivity meter
Ilow will the em.f vary upon the additiot
(C)
(D)
decomposed by heat?
LiCO, and NazCO:
CACO, and LICO:
CACO, and K2CO;
NazCO, and K2CO,
26
(B)
of more water to the left hand electrode?
(A)
(B)
(C)
(D)
33 Arrange
the
following oxoacids in order of
Remain the same
Will rise and fall with change in
(C)
increasing acid strength
(D)
HCIO, < HBrO3< HIO:
HBrO< HCIO1<HIO.
LA)
temperature
27
An acid buffer ean be made by mixing
(6)
HIO,<HBrO, <HCIO,
(C)
(D)
34 What is the electronie confīguration of the
element chromum (Z24)
(A) (Ne]4s*3d*
(C)Arj4s'3d$
35 Given the compound potassium
hexacyanoferrate (II). The formula of the
complex ion in the compound is
(A)Fe(CN) (B)Fe(CN);
(C)Fe(CN) (D) Fe(CN),
36 The oxidation state of chromium atoni in the
compound (NH.),Cr2O, is
(A)
17 Consider the compound
cquimolar volume of
(A)
(3)
HBrO< HIO,< HCIO
HCl and NaCl
CH,CO,l and CH.CO-Na
(C)
(D)
28
NH.CI and NH1
CH,CO;H and NH.CI
For the reaction X+ Y Z
A series of experiments was carried out and the
following results obtained
(B) [Ar]4s 3d
(D)(Ar]3d°
Expt [X]
No
Initial rate
[X]
mol dm3
0.4
mol dm
0.5
2.0
mol dm's
4 x 10-3
6 x 10-3
8x 10
0.3
+4
(B)+6 (C)
+7 (D)+8
3
1.0
0.4
The overall order of the reaction is
(A) I
(D) 3
hybridisation has the carbon atom marked with
an asterisk (*) urndergone
(B)
(C)
メニル
12
メ+64)ニ-3
メS
カー +×

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