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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 oxidizing agent.
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उत्तर
\[\ce{2K + Cl2 -> 2KCl}\]
An oxidizing agent oxidizes other substances either by accepting electrons or by providing oxygen or an electronegative ion, or by removing hydrogen or an electropositive ion.
\[\ce{Cl2 + 2e- -> 2Cl-}\]
संबंधित प्रश्न
Define a chemical bond.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
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Sodium chloride is ______ compound while hydrogen chloride is ______ compound.
In term of electron transfer, define Oxidation
In term of electron transfer, define
Reduction
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
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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.
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.
\[\ce{Fe^2+ - e- -> Fe^3+}\]
Explain fractional atomic mass. What is the fractional mass of chlorine?
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 reducing agent.
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.
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 three isotopes of hydrogen and the two isotopes of chlorine.
How do atoms attain Noble gas electronic configuration?
______ theory explains the formation of molecules.
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Write down the formula of the compound formed by two of the above elements.
