__________________increases with the increase in OH- ions


Concentration of base increases with the increase in OH- ions.

An alkali or base is a compound which when dissolved in water yields hydroxyl ions (OH) as the only negatively charged ion. The Strength of a base depends upon the concentration of hydroxyl ions.

Properties of base

  • When they are touched, they have a soapy feel.
  • When these compounds are dissolved in water, they contain hydroxide ions (OH– ions).
  • Bases are strong conductors of electricity in their aqueous solutions.
  • The pH values associated with bases are often higher than 7.
  • Bases are bitter-tasting compounds that can turn red litmus paper blue.

Examples of base compound: Calcium hydroxide,  Sodium hydroxide.

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