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Draw the structure of the following:
H2S2O7
Concept: Group 16 Elements - The Oxygen Family >> Compounds of Sulphur
Draw the structures of the following
XeF6
Concept: Group 18 Elements - The Noble gas Family
Write the formula of the compound of iodine which is obtained when conc. HNO3 oxidises I2
Concept: Group 16 Elements - The Oxygen Family >> Classification of Oxides
Write the IUPAC name of the following compound:
Concept: Nomenclature of Alcohols, Phenols and Ethers
Draw the structures of the following: BrF5
Concept: Group 17 Elements - The Halogen Family >> Interhalogen Compounds
Write the structures of the products when Butan-2-ol reacts with CrO3
Concept: Nomenclature of Alcohols, Phenols and Ethers
Write the structures of the products when Butan-2-ol reacts with SOCl2
Concept: Nomenclature of Alcohols, Phenols and Ethers
Give reasons for the following:
Electron gain enthalpies of halogens are largely negative.
Concept: Compounds of Halogens
Give reasons for the following: N2O5 is more acidic than N2O3
Concept: Group 16 Elements - The Oxygen Family >> Classification of Oxides
Complete the following equations:
KMnO4 
Concept: Group 17 Elements - The Halogen Family
How will you convert: Phenol to 2, 4, 6 − trinitrophenol?
Concept: Methods of Preparation of Alcohols
Which allotrope of sulphur is thermally stable at room temperature ?
Concept: Group 15 Elements - The Nitrogen Family >> Phosphorus - Allotropic Forms
Name the reagents used in the following reactions:
Concept: Methods of Preparation of Alcohols
Write the structures of main products when benzene diazonium chloride (C6 H5 N+2CI−)C6 H5 N2+CI- reacts with the : HBF4/∆
Concept: Methods of Preparation of Phenols
Write the structures of main products when benzene diazonium chloride (C6 H5 N+2CI−)C6 H5 N2+CI- reacts with the :Cu/HBr
Concept: Methods of Preparation of Phenols
Write the structures of A, B and C in the following reactions :
Concept: Methods of Preparation of Alcohols
Draw the structures of the following :
H2S2O7
Concept: Group 16 Elements - The Oxygen Family >> Compounds of Sulphur
Account for the following :
HClO4 is a stronger acid than HClO.
Concept: Group 17 Elements - The Halogen Family >> Oxoacids of Halogens
The two O−O bond lengths in the ozone molecule are equal.
Concept: Group 16 Elements - The Oxygen Family >> Ozone
Account for the following :
H3PO2 is a stronger reducing agent than H3PO3.
Concept: Group 16 Elements - The Oxygen Family >> Oxoacids of Sulphur
