Is there any alcoholic compound in which two hydroxyl group attached on the same carbon?​

not sure but i think its secondary alcohol.

cuz it is the alcohol in which carbon atom(in red) with the OH group is attached to two other carbon atoms(in blue)

108

explanation:

ergfywefywefdwuduweefuy

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume