The ionic compounds that produce negative hydroxide (OH−) ions when dissolved in water are called bases. A compound containing negative nonmetal ion as well as a positive metal ion that is held together by the ionic bond is called an ionic compound.
But what are ions?
Ions are atoms which become charged particles as a result of losing or gaining electrons. NaOH (sodium hydroxide) is an example of a base. When it dissolves in water, it generates negative hydroxide (OH−) ions and positive sodium (Na+) ions. It can be represented by the following equation:
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BASES :-
The ionic compounds that produce negative hydroxide (OH−) ions when dissolved in water are called bases. A compound containing negative nonmetal ion as well as a positive metal ion that is held together by the ionic bond is called an ionic compound.
But what are ions?
Ions are atoms which become charged particles as a result of losing or gaining electrons. NaOH (sodium hydroxide) is an example of a base. When it dissolves in water, it generates negative hydroxide (OH−) ions and positive sodium (Na+) ions. It can be represented by the following equation:
NaOH →H2O + OH− + Na+
EXAMPLES OF BASES ......
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Uses of bases
Sodium hydroxide is used in the manufacture of soap, paper, and the synthetic fiber rayon.
Calcium hydroxide (slaked lime) is used in the manufacture of bleaching powder.
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