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H2O is liquid while H2S is gas at room temperature. Explain.
Concept: P - Block Group 16 Elements >> Compounds of Sulphur
What is the action of concentrated sulphuric acid on copper
Concept: P - Block Group 16 Elements >> Sulphuric Acid
What is the action of concentrated sulphuric acid on potassium chlorate?
Concept: P - Block Group 16 Elements >> Sulphuric Acid
What is the action of dioxygen on Iron
Concept: P - Block Group 16 Elements >> Dioxygen
What is the action of dioxygen on Carbon disulfide
Concept: P - Block Group 16 Elements >> Dioxygen
Write the molecular and structural formulae of Dithionous acid
Concept: P - Block Group 16 Elements >> Oxoacids of Sulphur
Write chemical reactions for different steps in the manufacture of sulphuric acid by lead chamber process. Draw the structure of phosphorous pentachloride
Concept: P - Block Group 16 Elements >> Sulphuric Acid
Explain the following properties of group 16 elements :
1) Electro negativity
2) Melting and boiling points
3) Metallic character
4) Allotropy
Concept: Concept of Group 16 Elements
What are oxides? Write different types of oxides with one example each.
Concept: P - Block Group 16 Elements >> Simple Oxides
Write structure and molecular formula for the following compounds:
a. Orthophosphoric acid
b. Sulphurous acid
Concept: P - Block Group 16 Elements >> Sulphuric Acid
Write the formula for pentaamminechlorocobalt (III) sulphate.
Concept: P - Block Group 16 Elements >> Sulphuric Acid
Write uses of sulphur.
Concept: P - Block Group 16 Elements >> Oxoacids of Sulphur
Write the reaction of conc. H2SO4 with sugar. What is the role of H2SO4 in this reaction?
Concept: P - Block Group 16 Elements >> Sulphuric Acid
Explain anomalous behaviour of oxygen in group 16 with respect to:
- Atomicity
- Magnetic property
- Oxidation state
Concept: P - Block Group 16 Elements >> Anomalous Behaviour of Oxygen
Write two uses of dioxygen.
Concept: P - Block Group 16 Elements >> Dioxygen
Explain the structure of ClF3
Concept: P - Block Group 17 Elements >> Interhalogen Compounds
Iodine exists as
- polar molecular solid
- ionic solid
- nonpolar molecular solid
- hydrogen bonded molecular solid
Concept: Concept of Group 17 Elements
Draw structure of Chlorine trifluoride
Concept: P - Block Group 17 Elements >> Interhalogen Compounds
Write ‘four’ uses of hydrochloric acid.
Concept: P - Block Group 17 Elements >> Hydrogen Chloride
Write chemical formula of the following oxoacids of chlorine:
a. Hypochlorous acid
b. Chlorous acid
c. Chloric acid
d. Perchloric acid
Concept: P - Block Group 17 Elements >> Oxoacids of Halogens
