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Write three differences between physisorption and chemisorption.
Concept: Types of Adsorption
Differentiate between the following:
Adsorption and Absorption
Concept: Distinction Between Adsorption and Absorption
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
Concept: Classification of Colloids >> Classification Based on Nature of Interaction Between Dispersed Phase and Dispersion Medium
Differentiate between the following:
Multimolecular Colloid and Macromolecular colloid
Concept: Classification of Colloids >> Classification Based on Type of Particles of the Dispersed Phase, Multimolecular, Macromolecular and Associated Colloids
Why a negatively charged sol is obtained when AgNO3 solution is added to KI solution?
Concept: Properties of Colloidal Solutions
Write the IUPAC name of the following:
[Co(NH3)5(ONO)]2+
Concept: Nomenclature of Coordination Compounds - Formulas of Mononuclear Coordination Entities
Write the IUPAC name of the following:
K2[NiCl4]
Concept: Nomenclature of Coordination Compounds - Formulas of Mononuclear Coordination Entities
What is a chelate complex?
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds
Which isomer of C5H10 gives a single monochloro compound C5H9Cl in bright sunlight?
Concept: Isomerism in Coordination Compounds >> Structural Isomerism
Draw the geometrical isomers of [Co(en)2Cl2]2+. Which geometrical isomer of [Co(en)2Cl2]2+ is not optically active and why?
Concept: Isomerism in Coordination Compounds >> Stereoisomerism
Write the hybridisation and magnetic behaviour of [CoF6]3−.
[Given: Atomic number of Co = 27]
Concept: Bonding in Coordination Compounds >> Valence Bond Theory (VBT)
Which of the following molecules has a chiral centre correctly labelled with an asterisk (*)?
Concept: Isomerism in Coordination Compounds >> Stereoisomerism
The magnetic moment of [NiCl4]2− is ______.
[Atomic number: Ni = 28]
Concept: Bonding in Coordination Compounds >> Valence Bond Theory (VBT)
Which of the following species cannot act as a ligand? Give reason.
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds
The complex [Co(NH3)5(NO2)]Cl2 is red in colour. Give IUPAC the name of its linkage isomer.
Concept: Isomerism in Coordination Compounds >> Structural Isomerism
Name the method used for the refining of Nickel metal.
Concept: Refining of Crude Metals
Which would undergo SN1 reaction faster in the following pair and why?
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
Give reasons for the following:
(CH3)3C–O–CH3 on reaction with HI gives (CH3)3C–I and CH3–OH as the main products and not (CH3)3C–OH and CH3–I.
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
Out of 
, which is more reactive towards SN1 reaction and why?
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
In the extraction of Al, impure Al2O3 is dissolved in conc. NaOH to form sodium aluminate and leaving impurities behind. What is the name of this process?
Concept: Occurrence of Metals
