The melting point and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain. Higher the polarity of a group , more is its solubitlity in water.

(A) The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. (R) Amino group of amino acids can form hydrogen bonds but halogen of halo acids can not form hydrogen bonds.

At its melting point ice is lighter than water because

The boiling points of carboxylic acids are higher than those of alcohols. Explain with suitable examples.

Explain why cyanides have higher boiling points and more solubility in water than isocyanides

(A) Boiling points of acids are higher than the corresponding alcohols. (R) Esters are hydrolysed with dilute mineral acids to give carboxylic acids.

Explain why the boiling point of acetic acid is higher than that of aldehydes and alcohols having same molar mass.

The solublity of I_2 in KI solution is more than its solubility in pure water because

Iodine is more soluble in KI than in water - Explain.

Which of the following amino acids have very high isoelectric pH value, higher than 9 ?

Explain the following: a) why the boiling points of primary amines are higher than those of the corresponding tertiary amines of similar molar mass. b) why aromatic amines are lesser basic than aliphatic amines ? c) why alcohols are more acidic than amines of comparable molar mass? d) Gabriel phthalimide synthesis is not useful in the preparation of aromatic primary amines?