In which solvent NaCl has maximum solubility? a. H2O B. C2H5OH C. CH3COCH3 D. C2H5OC2H5
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In water it has maximum solubility because Water is a polar solvent having high dipole moment(1.84) and high dielectric constant(72.9).
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Answer:
NaCl has maximum solubility in water (H2O).
Explanation:
- Sodium Chloride (NaCl) is a polar and ionic compound.
- In NaCl ,Na is cation so carries +ve charge and Cl is anion so carries -ve charge.
- According to "like dissolve like" rule , NaCl will dissolve in polar molecule H20.
- Another factor is that Dielectric constant of water is very high . Dielectric constant of water is 80.4 at 20°C.
- So the -ve part of the water (OH¯) will be surrounded by the +ve part (Na+) of NaCl and -ve part of the water (H+) will be surrounded by the -ve part (Cl) of NaCl.
- It makes the bond weak between Na+ and Cl- .
- So NaCl get easily dissolved in water .
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