No items in cart

Class 12 Question Answers

Define order of a reaction. How is it determined?

The sum of powers of reactants in the rate law. Determined by experimental data and not from the balanced equation.

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
What are Oxidizing Agent and Reducing Agent?

·      Oxidizing Agent: Substance that gains electrons and undergoes reduction, causing another substance to be oxidized. ·       Reducing Agent: Substance that loses electrons and undergoes oxidation, causing anoth...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
What is Balancing Redox Reactions?

· Half-Reaction Method: Involves balancing the reduction and oxidation half-reactionsseparately.·  Ion-Electron Method (or Oxidation-Reduction Method): Balances the redox reaction by dividing it into oxidation and redu...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
What is Oxidation Number?

·   The oxidation number is the hypothetical charge that an atom would have if all bonds to atoms of different elements were 100% ionic. ·  Rules for assigning oxidation numbers help determine whether a species unde...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
Refer to the periodic table given in your book and now Ans the following questions: (a) Select the possible non-metals that can show disproportionation reac...

(a) Select the possible non-metals that can show disproportionation reaction. Ans: One of the reacting compounds must always contain an element that can exist in at least three oxidation states in disproportionation r...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.

The given conditions should be satisfied by atomic orbitals of form molecular orbitals:1.     The combining atomic orbitals must have an equivalent or nearly an equivalent energy. This means that during a homonuclear...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
Explain with the help of suitable example covalent bonds.

When two dissimilar atoms having different electronegativities combine to form a covalent bond, the bond pair of electrons are not shared equally. The bond pair shifts towards the nucleus of the atom having greater el...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
Define electronegativity? How does it differ from electron gain enthalpy?

Electronegativity is the ability of an atom in a chemical compound to attract a bond pair of electrons towards itself. The electronegativity of any given element is not constant. It varies according to the element to...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
How do you express the bond strength in terms of bond order?

Bond strength represents the extent of bonding between two atoms forming a molecule. The larger the bond energy, the stronger is the bond and the greater is the bond order.

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
Explain the formation of a chemical bond.

A chemical bond is defined as an attractive force that holds the constituents (atoms, ions, etc.) together in a chemical species. Various theories have been suggested for the formation of chemical bonds such as the el...

Class 12 Subject: Chemistry Topic: Basics Of Class 12th Chemistry
Subject Wise Question Answers Class 12

Chat with us on WhatsApp ×

Hi 👋
How can we help you?

Start Chat