Question
What is an ionic bond? Give two suitable examples explain the difference between ionic and covalent bond.
✓
Answer
The bond which is formed by transfer of electron is called ionic bond.
|
S. No.
|
Ionic bond
|
Covalent bond
|
|
i.
|
It is formed by transfer of electrons.
|
It is formed by sharing of electrons.
|
|
ii.
|
It is formed metal and non metals. e.g.
 |
It can be formed between two non metals also. e.g.
 |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The first $\left(\mathrm{IE}_1\right)$ and second $\left(\mathrm{IE}_2\right)$ ionisation enthalpies $\left(\mathrm{kJ} \mathrm{~mol}^{-1}\right)$ of three elements $\mathrm{I}, \mathrm{II}$ and III are given below:
Identify the element which is likely to be:
→|
Element
|
$\mathrm{IE}_1$
|
$\mathrm{IE}_2$ |
|
I
|
403
|
2640
|
|
II
|
549
|
1060
|
|
III
|
1142
|
2080
|
- Non-metal.
- An alkali metal.
- An alkaline earth metal.
Chlorine is prepared in the laboratory by treating manganese dioxide ($MnO_2$) with aqueous hydrochloric acid according to the reaction
$4HCl_{(aq)} + MnO_{2(s)} → 2H_2O_{(l)} + MnCl_{2(aq)} + Cl_{2(g)}$
How many grams of HCl react with 5.0g of manganese dioxide?
→$4HCl_{(aq)} + MnO_{2(s)} → 2H_2O_{(l)} + MnCl_{2(aq)} + Cl_{2(g)}$
How many grams of HCl react with 5.0g of manganese dioxide?
What are the oxidation number of the underlined elements in the following and how do you rationalise your results?
$KI_3$
→$KI_3$
Commercially available concentrated hydrochloric acid $( HCl )$ contains $38 \% HCI$ by mass.
1. What is the molarity $( M )$ of the solution (density of solution $=1.19 g mL ^{-1}$ )
2. What volume required of concentrated HCI is required to make 1.0 L of an 0.10 M HCI ?
→1. What is the molarity $( M )$ of the solution (density of solution $=1.19 g mL ^{-1}$ )
2. What volume required of concentrated HCI is required to make 1.0 L of an 0.10 M HCI ?
i. Why is $NH _4 Cl$ added before addition of $NH _4 OH$ in qualitative analysis of $3^{\text {rd }}$ group?
ii. Which will be added to precipitate soap
(RCOONa)? NaCl or KCl and why?'
→ii. Which will be added to precipitate soap
(RCOONa)? NaCl or KCl and why?'
Compare the relative stability of the following species on the basis of molecular orbital theory and indicate their magnetic properties:
$\text{O}^+_2,\text{O}^-_2,\text{O}_2^{-2}$
→$\text{O}^+_2,\text{O}^-_2,\text{O}_2^{-2}$
- Draw cis and trans-structures for Hex-2-ene. Which isomer will have higher boiling point and why?
The quantum numbers of six electrons are given below. Arrange them in order of increasing energies. If any of these combination(s) has/ have the same energy lists:
→- $\text{n}=4,\text{l}=2,\text{m}_\text{l}=-2,\text{m}_{\text{s}}=-\frac{1}{2}$
- $\text{n}=3,\text{l}=2,\text{m}_\text{l}=1,\text{m}_{\text{s}}=+\frac{1}{2}$
- $\text{n}=4,\text{l}=1,\text{m}_\text{l}=0,\text{m}_{\text{s}}=+\frac{1}{2}$
- $\text{n}=3,\text{l}=2,\text{m}_\text{l}=-2,\text{m}_{\text{s}}=-\frac{1}{2}$
- $\text{n}=3,\text{l}=1,\text{m}_\text{l}=-1,\text{m}_{\text{s}}=+\frac{1}{2}$
- $\text{n}=4,\text{l}=1,\text{m}_\text{l}=0,\text{m}_{\text{s}}=+\frac{1}{2}$
- Give reasons:
- Graphite is used as a good lubricant.
- A mixture of dilute NaOH and aluminium pieces is used to open a drain.
- Write balanced equations for the following reactions:
- $\text{NaH}+\text{B}_2\text{H}_6\xrightarrow{\ \ \ \ \ \ \ }$
- $\text{H}_3\text{BO}_3\xrightarrow{\Delta}$
- Draw the shape of $B_2H_6$ molecule.
What are boranes? Give chemical equation for the preparation of diborane.