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प्रश्न
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
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उत्तर
Oxidation
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संबंधित प्रश्न
(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?
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
What do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
Give the orbital diagram of the following:
Nitrogen
Give the orbital diagram of the following:
Methane
Copy and complete the following table relating to the atomic structure of some elements:
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | |||
| Fluorine | 9 | 10 | |||
| Sodium | 12 | 11 | |||
| Aluminium | 27 | 13 | |||
| Phosphorus | 31 | 15 |
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
Number of valence electrons in carbon is ______.
