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84 The elements in between Se-Zn 1. ali show paramagnetism 2 form ocloured hydrated ions in aquecus solution 3. form ions that hive incompletely filled 3d-subsheli 92 05 This question relates to compounds of chromium 1. chromium can form chormato(VII) and dichromate (VII) compounds which are respectively orange and yellow in colour 93. 2 the dichromate compound is made by acidifying solutions of the chromate compound. 3. the chromate compound is tutrahedral in shape with denlocalised bonds. 86. Which of the ligand(s) below is/are strong field splitting ligand(s)? 1. lodo 2. hydroxo 3. carbony! 94.

84 The elements in between Se-Zn 1. ali show paramagnetism 2 form ocloured hydrated ions in aquecus solution 3. form ions that hive incompletely filled 3d-subsheli 92 05 This question relates to compounds of chromium 1. chromium can form chormato(VII) and dichromate (VII) compounds which are respectively orange and yellow in colour 93. 2 the dichromate compound is made by acidifying solutions of the chromate compound. 3. the chromate compound is tutrahedral in shape with denlocalised bonds. 86. Which of the ligand(s) below is/are strong field splitting ligand(s)? 1. lodo 2. hydroxo 3. carbony! 94.

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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
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Answer Q84, 85, 86 showing detailed explanations.

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.
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.
Directions summarised A B 1,2,3 1,2 2,3 Only All Only Only correct correct correct correct
Transcribed Image Text:Directions summarised A B 1,2,3 1,2 2,3 Only All Only Only correct correct correct correct
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