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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Chemistry (CY)
Part-d hcu previous years questions which one among the following chlorides is dissociated to the least extent in aqueous solution? (a) znc (6) hgch (c) bacl (d
PART-D HCU Previous Years Questions Which one among the following chlorides is dissociated to the least extent in aqueous solution? (a) ZnC (6) HgCh (c) BaCl (d) AICl, IHCU-20111 2. The numban a C
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Priyanshu kumar Best Answer
The ionic size increases in the order Zn2+
Bacl2 is ionic compound
As size of cation increase covalent character will decrease.but here Hg have greater size and still it is covalent.sor please explain about this
Hg has f14 system in its inner core. Due to the diffused nature of f-orbital,very poor shielding is possible b/w the inner core electrons and the valence shell electrons. Finally,the polarising power and hence the covalent character increases down the group.
see this...This is exception case
So option B is correct...HgCl2..It is more covalent
Thank you so much sir