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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.
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
In term of electron transfer, define Oxidation
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
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.
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.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
What is the contribution of the following in atomic structure?
Democritus
Define the term:
orbit
Draw orbit structure diagram of calcium oxide (CaO).
Give the orbital diagram of the following:
Hydrogen chloride
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
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 ______.
Sodium having atomic number 11, is ready to ______ electron/ electrons to attain the nearest noble gas electronic configuration.
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
Why are Noble gases inert in nature?
Choose the odd one out and write the reason:
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
