the smaller the size of the cation and larger the size of the anion, greater the covelent charater of an ionic bond.


why, explain me please.

4 years ago

Share

Answers : (2)

                                        

DEAR Ravi ,


In case of ions , we associate polarising power of cation and polarisability of anion , which are the power of cation to distort the anions electronic cloud and power of anion to get distorted . The whole process is like that of electrical induction. the cation pulls the electronic cloud of anion to itself so that the elctron pair on anion is shared between two as in the covalent bond. Now greater the charge density on cation greater is its polarising power and correspondingly for anion. so bond become more and more covalent with smaller size of action and larger size of anion.



 GOOD LUCK !!!!


Please feel free to post as many doubts on our discussion forum as you can. We are all IITians and here to help you in your IIT JEE preparation.


Now you can win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.

4 years ago
                                        

Due to greater concentration of positive charge on a small area, the smaller size of cation has high polarising power, so greater the ionic character of an ionic bond. While larger size of the anion, the greater is its polarisability. It is due to the fact that the outer electrones of a large anion are losely held and hence can be more easily pulled out by the cation.and greater the ionic character of an ionic bond.

4 years ago

Post Your Answer

More Questions On Inorganic Chemistry

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
Please tell me,are there any shortcut tricks to remember the name of elements present in same group of periodic table?
 
 
Tricks to remember periodic Table s-block elements 1st group— H Li Na K Rb Cs Fr Code-- HaLiNa Ke Rob Se Farar 2nd group-- Be Mg Ca Sr Ba Ra Code—Beta Maange Car Santro Baap Roye...
  img
Sunil Kumar FP 20 days ago
identifying cation and anion in the given salt.
 
 
Well PRASAD For identifying cation and anion in the given salt . You have to go through the very long list of testing and for a particular ion we have different approach in qualitative...
  img
Akshay Meena 10 months ago
 
 
kiran kumar 10 months ago
why Be does not react with water at all and why it does not react directly with hydrogen?
 
 
Beryllium (Be) is the one Alkaline Earth Metal that does not react with water. This is due to its small size and high ionization energy in relation to the other elements that comprise this...
  img
ruchi yadav 6 months ago
 
Beryllium (Be) is the one Alkaline Earth Metal that does not react with water. This is due to its small size and high ionization energy in relation to the other elements that comprise this...
  img
ruchi yadav 6 months ago
which carbocation is more stable and why ? help me as soon as possible, please :(
 
 
3 is stable due to hypercongugation(sigma bond resonance)
 
Parvez Mahesar 9 days ago
Describe the basic of organic chemistry. what is the scope of organic chemistry in our society?
 
 
Organic Chemistry is the branch of chemistry which involves the study of organic compounds.Organic compounds are the compounds obtained from living organisms like plants and animals.All such...
  img
Aarti Gupta one month ago
what are aromatic compounds? is this an aromatic compound? CH3-CH2-CH=O
 
 
an organic compound that contains one or more benzene ring is called an AROMATIC COMPOUND.well I think aldehyde- CH3-CH2-CH=O is an aromatic compound.
 
Moxa Alpesh Patel one month ago
View all Questions »