HARD
12th ICSE
IMPORTANT
Earn 100

Write the structure and names of compounds formed when compound A with molecular formula C7H8 is treated with Cl2 in the presence of FeCl3.

Important Questions on Sample Question Paper 5

HARD
12th ICSE
IMPORTANT
What mass of propene is formed from 34.0g of 1-iodopropane on treating with alc. KOH, which yields 36%?   
MEDIUM
12th ICSE
IMPORTANT
What happens, when iron reacts with HCl?
MEDIUM
12th ICSE
IMPORTANT
Explain the role of SiO2 in the extraction of copper from copper matte. Also, write the chemical equation for the involved reactions.
MEDIUM
12th ICSE
IMPORTANT
How is mercury extracted from cinnabar? Explain.
MEDIUM
12th ICSE
IMPORTANT
Calculate the boiling point of one molar aqueous solution (density =1.04 g mL-1) of potassium chloride. (Kb=0.52 K Kg mol-1)
EASY
12th ICSE
IMPORTANT
When two different solutions of sucrose of same molality prepared in different solvents, will they have the same depression in freezing point?
HARD
12th ICSE
IMPORTANT

Write the chemical tests to distinguish between Phenol and propanoic acid.

HARD
12th ICSE
IMPORTANT
Why is benzoic acid stronger than acetic acid?