Questions
Statement I: Solubility of NaCl is more in D2O than in water
Statement II : Molecular weight of D2O is more than that of water
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a
Statement I and Statement II are true.
b
Statement I is true and statement II is false.
c
Statement I is false and Statement II is true.
d
Statement I and Statement II are false.
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Correct option is C
→Dielectric constant is a measure of ionisation of ionic bond.The solubility of NaCl in water & D2O depends upon the dielectric constant of H2O ,D2O Dielectric Constant(D) : D2O < H2O As the dielectric constant of solvent ↑es,Solubility increase→ Therefore, NaCl is more soluble in H2O than in D2OSince Statement -I Wrong→Molecular weight: D2O > H2O Statement -II correctTalk to our academic expert!
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