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प्रश्न
What do you understand by redox reactions?
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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.
संबंधित प्रश्न
Explain the following briefly:
Helium does not form He2 molecule
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Match the column A with Column B.
|
Column A |
Column B |
|
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
What is an α (alpha) particle?
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Define the term:
orbit
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Give a reason
Physical properties of isotopes are different.
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State the type of bond between Y and Z and give its molecular formula.
Give the orbital diagram of the following:
Magnesium chloride
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Five atoms are labelled V to Z
| Atoms | Mass Number | Atomic Number |
| V | 40 | 20 |
| W | 19 | 9 |
| X | 7 | 3 |
| Y | 16 | 8 |
| Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
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Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
Choose the odd one out and write the reason:
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State which one is chemically inert.
