Advertisements
Advertisements
Question
What do you understand by redox reactions?
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.
APPEARS IN
RELATED QUESTIONS
Mention the basic tendency of an atom which makes it to combine with other atoms.
In term of electron transfer, define
Reduction
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
Name an element which does not contain neutron.
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
How do atoms attain noble gas configurations?
Compare :
Sodium atom and sodium ion
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Five atoms are labelled V to Z
| Atoms | Mass Number | Atomic Number |
| V | 40 | 20 |
| W | 19 | 9 |
| X | 7 | 3 |
| Y | 16 | 8 |
| Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
Draw the geometric atomic structure of the three isotopes of hydrogen and the two isotopes of chlorine.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
