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Question

Which is true statement about D2O and H2O?
  1. NaCl is more soluble in D2O than H2O
  2. D2O has lower dielectric constant than H2O
  3. None of these
  4. Both are correct

A
D2O has lower dielectric constant than H2O
B
Both are correct
C
None of these
D
NaCl is more soluble in D2O than H2O
Solution
Verified by Toppr

The dielectric constant of H2O(78.39) is higher than the dielectric constant of D2O(78.06). This is due to the lower molar mass of H2O as compared to that of D2O.

Due to this, NaCl (and other ionic compounds) dissolve more in H2O than in D2O.

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