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प्रश्न
What do you understand by redox reactions?
उत्तर
Transfer of electron(s) is involved in the formation of an electrovalent bond. The electropositive atom undergoes oxidation, while the electronegative atom undergoes reduction. This is known as a redox reaction.
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संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
(i) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(ii) How many electrons are required for their octet structure?
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
A Compound 'X' consists of only molecules. Hence 'X' will have
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
What is the contribution of the following in atomic structure?
Democritus
State one observation which shows that atom is not indivisible.
Name the following:
An element having valency 'zero'
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
Give the orbital diagram of the following:
Methane
Give the orbital diagram of the following:
Hydrogen chloride
State the type of bonding in the following molecules.
Hydrogen chloride
Explain Octet rule with an example.
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
Why are Noble gases inert in nature?
The valency of noble gases is ______.
Complete the following table:
| Atoms | Atomic number | Electron distribution | |
| 1. | O | 8 | ______ |
| 2. | N | ______ | ______ |
| 3. | ______ | 17 | ______ |
| 4. | ______ | ______ | 2,8,2 |
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
