What is the role of quick lime in the extraction of Iron from its oxide Fe₂O₃?

What is catenation ? describe briefly the catenation property of carbon.

Explain why fluorine always exhibit an oxidation state of -1?

Justify the position of lanthanoids and actinoids in the periodic table.

Write the IUPAC names for the following complexes.

Give any three characteristics of ionic crystals.

Explain the effect of catalyst on reaction rate with an example.

The concentration of hydroxide ion in a water sample is found to be 2.5 × 10^-6M. Identify the nature of the solution.

State Faraday’s Laws of electrolysis

Heat of adsorption is greater for chemisorptions than physisorption. Why?

Arrange the following in the increasing order of their boiling point and give a reason for your ordering
(i) Butan – 2- ol, Butan -1-ol, 2 –methylpropan -2-ol
(ii) Propan -1-ol, propan -1,2,3-triol, propan -1,3 – diol, propan -2-ol

What is angle of deviation due to reflection?

Write short notes on the following
i. Hofmann’s bromide reaction
ii. Ammonolysis
iii. Gabriel phthalimide synthesis
iv. Schotten – Baumann reaction
v. Carbylamine reaction
vi. Mustard oil reaction
vii. Coupling reaction
viii. Diazotisation
ix. Gomberg reaction

Write the Zwitter ion structure of alanine

Name one substance which can act as both analgesic and antipyretic.