Alanine is an amphoteric substance: both acidic and basic at the same time.
However, it is neutral in a pH = 6.1 solution: CH3CH(NH3+)COO-
It is positvely charged ( by excess of H+) at lower pH sol'n CH3CH(NH3+)COOH and negatively in pure water or more basic solution CH3CH(NH2)COO-.
Polar
non polar.
Is NH4Cl polar or non polor
I2 is non-polar
Oil is non polar
non polar
non-polar
non polar
It is non polar.
Polar contains polar. Non-polar contains nothing.
water is polar and immiscible with the non-polar octanol.
ClO4 is polar.
Nonpolar