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Lead nitrate is a polar molecule. This is because the lead atom interacts with the nitrate ions in a way that results in an uneven distribution of charge within the molecule, creating positive and negative poles.
No, ammonium nitrate is not soluble in cyclohexane as it is a polar compound while cyclohexane is nonpolar. Polar compounds are generally not soluble in nonpolar solvents.
Sodium nitrate is 'sparingly soluble' in acetone. That means it is insoluble, for all intents and purposes. The reason for its insolubility is that sodium nitrate is polar (ionic) and acetone is non-polar.
Ammonium nitrate is a polar compound because it has an ionic bond between the ammonium ion (NH4+) and the nitrate ion (NO3-). This means that it has a separation of charge, with the nitrogen atom in the nitrate ion having a partial negative charge and the hydrogen atoms in the ammonium ion having a partial positive charge.
Potassium nitrate is more soluble in water than carbon tetrachloride. This is because potassium nitrate is an ionic compound that can dissociate into ions which can interact with the polar water molecules, while carbon tetrachloride is nonpolar and does not readily interact with water molecules.
The chemical formula for lead (III) nitrate is Pb(NO3)3.