Advertisements
Advertisements
Question
What do you understand by redox reactions?
Advertisements
Solution
Transfer of electron(s) is involved in the formation of an electrovalent bond. The electropositive atom undergoes oxidation, while the electronegative atom undergoes reduction. This is known as a redox reaction.
RELATED QUESTIONS
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
Give electron dot diagram of the following:
nitrogen
Give electron dot diagram of the following:
methane
In term of electron transfer, define
Reduction
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 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 do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
How are X-rays produced?
Why do they exist as monoatoms in molecules?
Name the following:
The shell closest to the nucleus of an atom
Explain
Octet rule for the formation of sodium chloride
Explain
Duplet rule for the formation of hydrogen
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Give the orbital diagram of the following:
Hydrogen chloride
State the type of bonding in the following molecules.
Hydrogen chloride
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
Explain Octet rule with an example.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
Write down the formula of the compound formed by two of the above elements.
