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प्रश्न
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
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उत्तर
Reduction
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संबंधित प्रश्न
Define a chemical bond.
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
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 |
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
Name the following:
The shell closest to the nucleus of an atom
Give the orbital diagram of the following:
Nitrogen
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
The valency of noble gases is ______.
