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Write the molecular and structural formulae of thiosulfuric acid.
Concept: P - Block Group 16 Elements >> Compounds of Sulphur
Hot and concentrated alkali NaOH reacts with chlorine to form _______.
Concept: P - Block Group 17 Elements >> Chlorine
Write two uses of neon.
Concept: P - Block Group 18 Elements >> Concept of Group 18 Elements
Write reactions involved in preparation of potassium dichromate from chrome iron ore
Concept: K2Cr2O7: Preparation of Potassium Dichromate
Answer the following
Explain the trends in atomic radii of d block elements.
Concept: Trends in Atomic Properties of the First Transition Series
The following ion has the maximum number of unpaired electrons.
Concept: Oxidation States of First Transition Series
Discuss the position of d-block elements, lanthanoids and actinoids in the periodic table.
Concept: Common Properties of d Block Elements
What are interstitial compounds?
Concept: General Properties of the Transition Elements (D-block)
Draw structure of dichromate ion
Concept: D-block Elements >> Some Important Compounds of Transition Elements
Write the factors which are related to the colour of transition metal ions.
Concept: General Properties of the Transition Elements (D-block)
Write the different oxidation states of manganese.
Concept: Electronic Configurations of the D-block Elements
Define lanthanoid contraction.
Concept: F-block Elements >> The Lanthanoids
Explain effects of lanthanoid contraction.
Concept: F-block Elements >> The Lanthanoids
Explain the cause of Lanthanoids contraction.
Concept: F-block Elements >> The Lanthanoids
Explain Optical activity
Concept: Werner’s Theory of Coordination Compounds
Write down the IUPAC name of the complex [Pt(en)2Cl2]2+. What type of isomerism is shown by this complex?
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds
Write the hybridization and shape of the following complexe : [CoF6]3–
(Atomic number : Co = 27, Ni = 28)
Concept: Bonding in Coordination Compounds >> Magnetic Properties of Coordination Compounds
Write the hybridization and shape of the following complexe : [Ni(CN)4]2–
(Atomic number : Co = 27, Ni = 28)
Concept: Bonding in Coordination Compounds >> Magnetic Properties of Coordination Compounds
What is ‘effective atomic number’ (EAN)?
Concept: Coordination Compounds >> Importance of Coordination Compounds
What is ‘effective atomic number’ (EAN)?
Concept: Coordination Compounds >> Importance of Coordination Compounds
