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- IIT JAM
- Chemistry (CY)
32. which substance would you expect to have the greatest lattice energy? a) agcl b) crn c) naf d) cuo 33. which one of the following bonds is most polar ? a) s
32. Which substance would you expect to have the greatest lattice energy? A) AgCl B) CrN C) NaF D) CuO 33. Which one of the following bonds is most polar ? A) S-CI B) S-Br C) Se-Br D) Se-Cl 34. What is Wijs reagent ? A) ICI B) ICl C)BrCl D) I3
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Dinesh khalmaniya 1
33). B more the difference in EN more ia the polarity. left to right EN increase while down the group decrease. so S is more EN while Br is less EN so the difference will be high
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sir , please tell which option is correct
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option B or D?
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For question no.33
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option B
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check the EN
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S- Br = 3.5- 2.8 = 0.7 and Se- Cl = 2.4- 3.0 = 6
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got it??
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i believe in experimental data so according to it B is correct
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ok sir
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Thank you
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you welcome
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Dinesh khalmaniya 1
34) option A.
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The Wijs solution, iodine monochloride dissolved in acetic acid, is used to determine the iodine value of a substance. It can also be used to make pure iodates, by reacting with a chlorate and releasing chlorine gas as byproduct.
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Suman Kumar
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Q 33 The lattice energy is defined as the energy needed to break the ionic bonding within the crystal lattice. Generally, lattice energy increases as the charge of the ions increase. Conversely, lattice energy increases as the atomic size of the ions decreases. So option B CrN is correct
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Priyanshu kumar
34.. wijs reagent is iodine monochloride ICL 33. option D
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33. More electronegative difference more polar
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wait explaining 32 n 33
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ok
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see meghna...33 option D
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Suman Kumar
Most polar bond is S-Cl.
More the eletronegativity difference more polar will be the bond
See this eletronegativity table
Meghna did you get this
please ask Meghna
If you don't follow anything or don't get anything
sir, please tell which is the right option for question no.33.
option A is correct Meghna
please mark thankyou 🙏
yes
sir, I have already marked