General Knowledge - Chemistry - Discussion
Discussion Forum : Chemistry - Section 1 (Q.No. 48)
48.
The molecule which has the highest percentage of ionic character among the following is
Discussion:
11 comments Page 1 of 2.
Fawad mustafa said:
1 decade ago
How it is possible for flourine as it is the most electronegative element in the periodictable how it ionizes easily and got highest percentage ?
T SAIRAJU said:
1 decade ago
Due to its small size & more nucleus attraction power it can attract the bond pair of electrons towards its centre and become negatively charged particle.
Anu said:
1 decade ago
Every molecule have partial ionic and covalent character. As Fluorine and Hydrogen are elements of same group, so bonding overlap will be greater & will be least for iodine. So most ionic character will be for HI due mismatch in size & larger bond length. Electronegativity can not the consider as the leading factor here.
Clint said:
1 decade ago
Iodine, as compared to fluorine and bromine, has the larger atomic radius. Since it has the larger radius, a binding hydrogen atom will be easier to be removed. Thus, creating a more ionic character in a solution.
Answer should be HI.
Answer should be HI.
Rupa said:
1 decade ago
Because the electronegativity of F is more as compare to Br, Cl and I. Hence the difference between ionic character is more for HF.
Koushik said:
1 decade ago
Electronegativity series of halogens are in the manner; F>Cl>Br>I. Thus with Hydrogen the Fluorine will share the electron pair more & this is consecutively decreases down to Iodine, this makes the HF is more polar as well as ionic.
J vinayak said:
1 decade ago
Answer is HI because ionic character decreases down the group.
Pavan doma said:
10 years ago
According to FAGANS rule, for a given cation ionic nature is inversely related to size of anion.
Since fluorine is smaller in size it's ionic nature is more.
Since fluorine is smaller in size it's ionic nature is more.
Rohit said:
9 years ago
@Vinayak.
Though ionic character decreases down the group, but it is for F, Cl, Br & I. Not for their compound with H. Thus, this can't be the reason. Instead, the difference in electronegativity of F, Cl, Br & I with H will be deciding factor as this will polarize as well as ionize the bond between them. So, order for ionic character must be HF > HCl > HBr > HI.
Though ionic character decreases down the group, but it is for F, Cl, Br & I. Not for their compound with H. Thus, this can't be the reason. Instead, the difference in electronegativity of F, Cl, Br & I with H will be deciding factor as this will polarize as well as ionize the bond between them. So, order for ionic character must be HF > HCl > HBr > HI.
(2)
Ajay said:
8 years ago
Hydrogen bonding is strongest bonding. In HF there is hydrogen bonding so shows more ionic character than anyone of the above.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers