how to find valency in a compound???? My test is near and I need help. Can u tell me if there's a way to calculate the valency in compound.
For Example-
The valency of Fe in ferric chloride is :-
(a)3
(b)2
(c)1
(d)0
Answers
Answered by
1
(c) 3
Fe 3+ Cl 1- combine to form
FeCl3
Actually the valency of the elements exchange so that the compound is neutral
Fe 3+ Cl 1- combine to form
FeCl3
Actually the valency of the elements exchange so that the compound is neutral
Answered by
1
valency in a compound can be find easily by electronic configuration
i.e., for Fe - atomic no. of Fe is26
it's electronic configuration is 2,8,8,8
so its valency is zero
explain- no. of electron present in outer shell gives the valency . valency increase from 1 to 4 the decrease from 3 to 0
outer shell has 1 then valency is 1
" " " 2 " " " 2
" " " 3 " " " 3
" " " 4 " " " 4
" " " 5 " " " 3
" " " 6 " " " 2
" " " 7 " " " 1
" " " 8 " " " 0
i.e., for Fe - atomic no. of Fe is26
it's electronic configuration is 2,8,8,8
so its valency is zero
explain- no. of electron present in outer shell gives the valency . valency increase from 1 to 4 the decrease from 3 to 0
outer shell has 1 then valency is 1
" " " 2 " " " 2
" " " 3 " " " 3
" " " 4 " " " 4
" " " 5 " " " 3
" " " 6 " " " 2
" " " 7 " " " 1
" " " 8 " " " 0
vishu543:
do u undrstand ???
i just need to tell that im in 7th class but our syllabus is all about it so tell it in easy way plz
it is the easiest way to find valency . have yur teacher taught u about electronic configuration ?
no, im just in 7th but because of I joined an institute lately so they make us study high level things, so is there any other easy way to find valency
in a compound
by the way i dont know electronic configuration
sorry dear , but for calculating valency u must be study about electronic configuration b'coz there no any easiest way rather than it . if u got any easiest way then plzz inform me also
ok then tell me about electronic configuration
plzz
ok
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