Some explanation required?

Fat + H2O Immiscible

Fat + alcohol Miscible

Fat + vegetable oil Miscible





NaCl + vegetable oil Immiscible

NaHCO3 + H2O Miscible

NaHCO3 + alcohol Immiscible

NaHCO3 + vegetable oil Immiscible

can anyone explan all of these obsrvations in term of bonding and polarity

Answer:
Fat contains mostly nonpolar bonds. These will not dissolve in water because water contains polar bonds. It will dissolve in alcohol because alcohols have both polar and nonpolar bonds. Oils have mostly nonpolar bonds so the fat will dissolve.

NaHCO3 is an ionic material. It will dissolve in water due to the polar bonds of the water interacting with the ions. There are not enough polar bonds present in the alcohol for the material to dissolve, and it will not dissolve in the nonpolar oil since it requires charges to be separated.

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