Respuesta :

mahima6824soni

The state of the compounds are:

Na₂co₃- basic salt

NaHC₂O₄- acidic

FeCl₃- acidic

NH₄br- acidic

KClO₄- neutral

What is the state of the compound?

The state of the compound is its acidity, basicity, and neutrality. The compounds are the mixture of opposite elements.

Thus, the state of the compounds are:

Na₂co₃- basic salt

NaHC₂O₄- acidic

FeCl₃- acidic

NH₄br- acidic

KClO₄- neutral

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Na₂CO₃, NaHC₂O₄ and FeCl₃ are basic, acidic and acidic respectively.

Why pH is used for?

pH scale is used to define the nature of a substance as acidic, basic or neutral. Value from 0 to 6.9 shows the acidity, 7 shows the neutrality and from 7.1 to 14 shows the basicity.

  • Na₂CO₃ is basic in nature, as it is formed by the reaction between strong base and weak acid.
  • NaHC₂O₄ is an acid, as in it carboxylic group is present.
  • FeCl₃ is acidic in nature as it is made from strong HCl acid.

Hence, Na₂CO₃, NaHC₂O₄ and, FeCl₃ are basic, acidic and acidic respectively.

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