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11th Chemistry NCERT notes

Some Important Compounds of Carbon and Silicon

Carbon Monoxide, CO Preparation of Carbon Monoxide: It is prepared by direct oxidation of C in limited supply of oxygen. On small scale it is prepared by...
11th Chemistry NCERT notes

Carbon and its Allotropes

Anomalous Behaviour of Carbon Carbon, differs from the rest of the member of its family. The main reason for the anomalous behaviour is: Exceptionally small...
11th Chemistry NCERT notes

Group 14 Elements: The Carbon Family

Physical Properties of Group 14 Elements Electronic Configuration: Elements of group 14 have the general outer electronic configuration of ns2np2. Covalent Radius: There is a considerable increase in...
11th Chemistry NCERT notes

Boron and Some Important Compounds of Boron (B)

Anomalous Properties of Boron Boron shows anomalous behavior with the other members of the group, due to the following reasons: Smallest size in the group ...
11th Chemistry NCERT notes

Group 13 Elements

In p-block elements, the last electron enters in the outermost p-orbital. There are six groups of p-block elements in the Periodic Table, numbering from...
11th Chemistry NCERT notes

Some S-Block compounds

Sodium Hydroxides (Caustic Soda), NaOH: Preparation: Electrolysis of Brine: Caustication of Na2CO3 (Gossage’s method): Since the Ksp(CaCO3) < Ksp(Ca(OH)2), the reaction shifts towards right. Properties: It is white crystalline,...
11th Chemistry NCERT notes

Group 2 Element: Alkaline Earth Metals

Alkaline Earth Metals: They were named alkaline earth metals since they were alkaline in nature like alkali metals oxides and they were found in the...
11th Chemistry NCERT notes

Group 1 Elements: Alkali Metals

Group (1 & 2) belong to the s-block of the Periodic Table. Group 1 consists of: lithium, sodium, potassium, rubidium, caesium and francium and...
11th Chemistry NCERT notes

Heavy Water (D2O)

It is used in the preparation of other deuterium compounds. Uses of D2O: It is used as moderator in nuclear reactors. It is used in...
11th Chemistry NCERT notes

Hydrogen Peroxide (H2O2)

H2O2 was discovered by J.L. Thenard in 1818. It is an important compound used in pollution control treatment of domestic and industrial effluents. Preparation of...