87. Tetraammine dicyano vanadium(1) 1. is a neutral complex 2. can exhibil geometric isomerism 3 is an octahedral complex 95. 88. Which of the following ligands can serve in linkage isomerism 1. C N:] 96. C 2. S C-N: 3. :0-N-O 89. Complex ions formed by d-block elements may be 1. cationic 2. neutral 3. anionic
87. Tetraammine dicyano vanadium(1) 1. is a neutral complex 2. can exhibil geometric isomerism 3 is an octahedral complex 95. 88. Which of the following ligands can serve in linkage isomerism 1. C N:] 96. C 2. S C-N: 3. :0-N-O 89. Complex ions formed by d-block elements may be 1. cationic 2. neutral 3. anionic
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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Answer Q87, 88, 89 showing detailed explanations.
Transcribed Image Text:Directions summarised
A
B
1,2,3
1,2
2,3
Only
All
Only
Only
correct
correct
correct
correct
![o Scandium and Zinc are not consideren
transition elements because they
1 do not form complexes
2 exist only in one oxidation state
do not form ions in which the 34.
84 The olements in between Sc-Zn
1.
all show paramagnetism
2 form ocloured hydrated ions in aqueous
solution
3.
3. form ions that hive incompletely filled
3d-subshell.
subshell is partially filled.
92 d-biock element
85 This question relates to compounds of
chromium
1.
have variable oxidation state
1.
their +2 oxidation state is common at
2.
the beginning of the series.
3. form complex ions
chromium can form chormate(VII) and
dichromate (Vil) compounds which are
respectively orange and yellow in
colour
2.
In order to form a complex ion
the central metal ion or atom shoul
93.
the dichromate compound is made by
aciditying solutions of the chromate
compound.
3.
1.
h ve low laying d and s-orbitals.
2. the ligand should have at least a donor
the chromate compound is tetrahedral
in shape with delocalised bonds.
atom
3. the central metal ion should be smali
and highly charged.
86. Which of the ligand(s) below islara strong
field splitting ligand(s)?
1. lodo
2. hydroxo
3. carbonyl
94. Carbon in cast iron
lowers its melting
2.
1.
increases Its hardness and decreases
its ductility
3. decreases its hardness and increases
its ductility
87
Tetraammine dicyano vanadium(11)
95. The systematic name of [Co(en),CLINO s
1. bis ethylenediamine dichloro cobaltin
nitrate
1.
is a neutral complex
2.
can exhibit geometric isomerism
3.
is an octahedral complex
bis ethylene diamine dichloro cobaitale
(i) nitrate
3. dichlorobisethylene diamine coball (i)
nitrate
2.
88. Which of the following ligands can serve in
linkage isomerism
1. C N]
96. Optical isomerism in complexes
1. have mirror image isomers that are
nonsuperimposible
2. have isomers that are physically
identical in all ways.
3. have isomers that differ in the way they
rotate the plane of polarised light.
2.
3.
89. Complex ions formed by d-block elements
may
1.
cationic
2. neutral
3. anionic
90. Across the first series of d-block elements
1.
first ionisation energy gradual
decreases with decrease in atomic
number of elements.
2. electrons are filling theh 4s subshell as
well.
3. atomic radius generally decreases as
eifective nuclear charge increases.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6d9c67-6f13-49d2-ac4d-2d996f90a88b%2F588faebb-20aa-442b-8ada-8130e020852d%2F5lxd2lr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:o Scandium and Zinc are not consideren
transition elements because they
1 do not form complexes
2 exist only in one oxidation state
do not form ions in which the 34.
84 The olements in between Sc-Zn
1.
all show paramagnetism
2 form ocloured hydrated ions in aqueous
solution
3.
3. form ions that hive incompletely filled
3d-subshell.
subshell is partially filled.
92 d-biock element
85 This question relates to compounds of
chromium
1.
have variable oxidation state
1.
their +2 oxidation state is common at
2.
the beginning of the series.
3. form complex ions
chromium can form chormate(VII) and
dichromate (Vil) compounds which are
respectively orange and yellow in
colour
2.
In order to form a complex ion
the central metal ion or atom shoul
93.
the dichromate compound is made by
aciditying solutions of the chromate
compound.
3.
1.
h ve low laying d and s-orbitals.
2. the ligand should have at least a donor
the chromate compound is tetrahedral
in shape with delocalised bonds.
atom
3. the central metal ion should be smali
and highly charged.
86. Which of the ligand(s) below islara strong
field splitting ligand(s)?
1. lodo
2. hydroxo
3. carbonyl
94. Carbon in cast iron
lowers its melting
2.
1.
increases Its hardness and decreases
its ductility
3. decreases its hardness and increases
its ductility
87
Tetraammine dicyano vanadium(11)
95. The systematic name of [Co(en),CLINO s
1. bis ethylenediamine dichloro cobaltin
nitrate
1.
is a neutral complex
2.
can exhibit geometric isomerism
3.
is an octahedral complex
bis ethylene diamine dichloro cobaitale
(i) nitrate
3. dichlorobisethylene diamine coball (i)
nitrate
2.
88. Which of the following ligands can serve in
linkage isomerism
1. C N]
96. Optical isomerism in complexes
1. have mirror image isomers that are
nonsuperimposible
2. have isomers that are physically
identical in all ways.
3. have isomers that differ in the way they
rotate the plane of polarised light.
2.
3.
89. Complex ions formed by d-block elements
may
1.
cationic
2. neutral
3. anionic
90. Across the first series of d-block elements
1.
first ionisation energy gradual
decreases with decrease in atomic
number of elements.
2. electrons are filling theh 4s subshell as
well.
3. atomic radius generally decreases as
eifective nuclear charge increases.
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