| 2101 |
Which complex shows cis–trans (geometrical) isomerism? |
Chemistry
Isomerism |
Easy |
| 2102 |
[Co(NH₃)₅(SO₄)]Br and [Co(NH₃)₅Br]SO₄ give different ions in solution. What type of isomers are they? |
Chemistry
Isomerism |
Medium |
| 2103 |
Which complex is optically active? |
Chemistry
Isomerism |
Medium |
| 2104 |
Why is trans-[PtCl₂(en)₂]²⁺ optically inactive while the cis isomer is optically active? |
Chemistry
Isomerism |
Hard |
| 2105 |
In an octahedral crystal field, which set of d orbitals is lower in energy? |
Chemistry
Bonding: VBT and CFT |
Easy |
| 2106 |
Which ligand produces the strongest crystal field splitting? |
Chemistry
Bonding: VBT and CFT |
Easy |
| 2107 |
What is the hybridisation and magnetic behaviour of [Ni(CN)₄]²⁻? |
Chemistry
Bonding: VBT and CFT |
Medium |
| 2108 |
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 |
| 2109 |
What is the spin-only magnetic moment of [CoF₆]³⁻? |
Chemistry
Bonding: VBT and CFT |
Hard |
| 2110 |
Which metal is present in chlorophyll? |
Chemistry
Metal carbonyls and applications |
Easy |
| 2111 |
What is the shape of [Ni(CO)₄]? |
Chemistry
Metal carbonyls and applications |
Easy |
| 2112 |
In synergic bonding in metal carbonyls, into which orbitals of CO does the metal donate electron density? |
Chemistry
Metal carbonyls and applications |
Medium |
| 2113 |
Which coordination compound is used in the treatment of some types of cancer? |
Chemistry
Metal carbonyls and applications |
Medium |
| 2114 |
How is EDTA used to estimate the hardness of water? |
Chemistry
Metal carbonyls and applications |
Hard |
| 2115 |
Which compound is an allylic halide? |
Chemistry
Classification, nomenclature and the C–X bond |
Easy |
| 2116 |
What is the IUPAC name of (CH₃)₃CBr? |
Chemistry
Classification, nomenclature and the C–X bond |
Easy |
| 2117 |
CH₃CHCl₂ is classified as a: |
Chemistry
Classification, nomenclature and the C–X bond |
Medium |
| 2118 |
Which carbon–halogen bond has the highest bond enthalpy? |
Chemistry
Classification, nomenclature and the C–X bond |
Medium |
| 2119 |
Why is benzyl chloride (C₆H₅CH₂Cl) placed in the sp³ C–X category while chlorobenzene is placed in the sp² C–… |
Chemistry
Classification, nomenclature and the C–X bond |
Hard |
| 2120 |
Which reagent is preferred for converting an alcohol into an alkyl chloride? |
Chemistry
Preparation and physical properties |
Easy |