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Divesh Asked :

03-07-2021 Science

Q. Sodium carbonate is a basic salt because it is a salt of

A. strong acid and strong base
B. weak acid and weak base
C. strong acid and weak base
D. weak acid and strong base

Commented on 2021-07-03
Answer - D. weak acid and strong base

Explanation - 
 A salt is formed by two components . one component is a part of acid and other component is part of base. if base part is strong , then salt will be basic in nature and if acid part is strong, then salt will be acidic in nature.

here given, sodium carbonate (Na2CO3)


2Na^+ is came from sodium hydroxide (NaOH), a strong base


and (CO3)²- is came from carbonic acid (H2CO3), a weak acid


it is clear that, Na2CO3 is formed by strong base and weak acid. so, Na2CO3 is basic in nature or it is a basic salt.

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