Chemistry – Old is Gold

Carbon- Old is Gold

1. Carbon monoxide is used as a reducing agent in metallurgy but not carbon dioxide. Why?2. Give the laboratory method of preparation of carbon

Structure Isomerism in Organic Compounds

1.       Write the isomers of C2H6O and give their IUPAC names.
2.       Write the isomers of C2H4O2 and give their IUPAC names.
3.      

Solid State

1. Explain why sodium chloride does not conduct electricity in solid but a good conductor when     molten.2. Distinguish between crystalline and amorphous solid.3. Distinguish

Ozone

1. Write resonance structures of ozone.2. How does CFC deplet Ozone layer?

Nitrogen and Its Compounds

1. Write the names of any two metals which can liberate Hydrogen gas from Nitric Acid.
2. What happens when:
    a) Gas obtained