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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).
\[\ce{K → K+ + e-}\]
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?
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2, 8, 1 |
2, 8, 7 |
2, 5 |
1 |
Answer the following question based on the table above:
What is the formula of the compound formed between W and X.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Fe^2+ - e- -> Fe^3+}\]
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
Explain fractional atomic mass. What is the fractional mass of chlorine?
Name the following:
The shell closest to the nucleus of an atom
Give reason
Argon does not react.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reduction.
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Give the orbital diagram of the following:
Nitrogen
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.
Choose the odd one out and write the reason:
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
