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प्रश्न
In term of electron transfer, define
Reduction
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उत्तर
Reduction is defined as the phenomenon in which an atom gains an electron to form a negatively charged ion called an anion.
During the formation of ionic bond one atom undergoes oxidation while another atom undergoes reduction.
संबंधित प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
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.
How many atoms of each kind are present in the following molecule:
Calcium oxide
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
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.
\[\ce{Cu -> Cu^2+}\]
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Define the term:
orbit
Name the following:
Metal with valency 2
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.
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.
What is meant by a chemical bond?
Complete the following table:
| Atoms | Atomic number | Electron distribution | |
| 1. | O | 8 | ______ |
| 2. | N | ______ | ______ |
| 3. | ______ | 17 | ______ |
| 4. | ______ | ______ | 2,8,2 |
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
