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#QuestionSubject and topicDifficulty
101 What is the IUPAC name of [Co(NH₃)₆]Cl₃? Chemistry
IUPAC nomenclature		 Easy
102 Which ending is used for the name of the metal when the complex is an anion? Chemistry
IUPAC nomenclature		 Easy
103 What is the IUPAC name of K₃[Fe(CN)₆]? Chemistry
IUPAC nomenclature		 Medium
104 What is the correct formula for tetraamminediaquacobalt(III) chloride? Chemistry
IUPAC nomenclature		 Medium
105 What is the IUPAC name of [CoCl₂(en)₂]Cl? Chemistry
IUPAC nomenclature		 Hard
106 Which type of isomerism is shown by [Co(NH₃)₅(NO₂)]Cl₂ and [Co(NH₃)₅(ONO)]Cl₂? Chemistry
Isomerism		 Easy
107 Which complex shows cis–trans (geometrical) isomerism? Chemistry
Isomerism		 Easy
108 [Co(NH₃)₅(SO₄)]Br and [Co(NH₃)₅Br]SO₄ give different ions in solution. What type of isomers are they? Chemistry
Isomerism		 Medium
109 Which complex is optically active? Chemistry
Isomerism		 Medium
110 Why is trans-[PtCl₂(en)₂]²⁺ optically inactive while the cis isomer is optically active? Chemistry
Isomerism		 Hard
111 In an octahedral crystal field, which set of d orbitals is lower in energy? Chemistry
Bonding: VBT and CFT		 Easy
112 Which ligand produces the strongest crystal field splitting? Chemistry
Bonding: VBT and CFT		 Easy
113 What is the hybridisation and magnetic behaviour of [Ni(CN)₄]²⁻? Chemistry
Bonding: VBT and CFT		 Medium
114 For a d⁴ ion in an octahedral field, what is the electron configuration when Δo is greater than the pairing e… Chemistry
Bonding: VBT and CFT		 Medium
115 What is the spin-only magnetic moment of [CoF₆]³⁻? Chemistry
Bonding: VBT and CFT		 Hard
116 Which metal is present in chlorophyll? Chemistry
Metal carbonyls and applications		 Easy
117 What is the shape of [Ni(CO)₄]? Chemistry
Metal carbonyls and applications		 Easy
118 In synergic bonding in metal carbonyls, into which orbitals of CO does the metal donate electron density? Chemistry
Metal carbonyls and applications		 Medium
119 Which coordination compound is used in the treatment of some types of cancer? Chemistry
Metal carbonyls and applications		 Medium
120 How is EDTA used to estimate the hardness of water? Chemistry
Metal carbonyls and applications		 Hard