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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Shib Sagar posted an Question
July 19, 2020 • 04:02 am
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30 points
30 points
- IIT JAM
- Chemistry (CY)
I marked my answer but it is wrong how can u pz explain
Whch isha cornaet o rndern of lon/sAton enertgies P P e el FC en-> P er->ery ery P ?emypye
2 Answer(s)
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Priyanshu kumar![best-answer]()
option B is correct
Since I.E of neutral atoms is greater than its corresponding anion due to small size so F>F- and Cl>Cl-. Now moving down the group IE decreases ..So considering this order becomes F>Cl>Cl->F-
got it shib??
sir down the grp IE decrases so the order will be like F>cl>F->cl-
i don't understand pz elaborate this
shib it is general reasoning related to IE of anions....that the IE of anions is same as the electron affinity of that element means IE of F- is sane as the EA of F and IE of Cl- Is equal to EA of Cl...you know the electron affinity of chlorine is more than fluorine as due to inter electronic repulsion in fluorine...so IE of Cl- is greater than F-....hope you get it...for more reason see the above image
please accept the answer if it helps😊🙏