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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
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
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?
A Compound 'X' consists of only molecules. Hence 'X' will have
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
What is the contribution of the following in atomic structure?
Democritus
What is an α (alpha) particle?
Name the following:
Metal with valency 2
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
Compare :
Sodium atom and sodium ion
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
State the type of bonding in the following molecules.
Water,
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-
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
______ theory explains the formation of molecules.
The valency of noble gases is ______.
______ is the only noble gas that does not have eight electrons in its valence shell.
