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प्रश्न
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
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उत्तर
\[\ce{2K + Cl2 → 2KCl}\]
In the electronic concept, oxidation is a process in which an atom or ion loses an electron(s).
\[\ce{K → K+ + e-}\]
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संबंधित प्रश्न
Define a chemical bond.
Give electron dot diagram of the following:
Magnesium chloride
Give electron dot diagram of the following:
nitrogen
(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 |
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
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 |
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
Compare :
Sodium atom and sodium ion
What do you understand by redox reactions?
Give the orbital diagram of the following:
Magnesium chloride
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
Number of valence electrons in carbon is ______.
Sodium having atomic number 11, is ready to ______ electron/ electrons to attain the nearest noble gas electronic configuration.
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
The valency of noble gases is ______.
What is a chemical bond?
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
