Which of the following is/are correct statement(s) regarding carbonates of alkaline earth metal? I. They are thermally unstable. II. They are insoluble in water. III. They cannot be precipitated by adding sodium or ammonium carbonate. IV. Beryllium carbonate is thermally unstable.

Question

Which of the following is/are correct statement(s) regarding carbonates of alkaline earth metal? I. They are thermally unstable. II. They are insoluble in water. III. They cannot be precipitated by adding sodium or ammonium carbonate. IV. Beryllium carbonate is thermally unstable. (A) I, II and III are correct (B) II and IV are correct (C) I, II and IV are correct (D) All are correct

Tardigrade Admin · Accepted Answer

Statements I, II and IV are correct, while the statement III is incorrect. It's correct form is as follows Carbonates of alkaline earth metals can be precipitated by adding sodium or ammonium carbonate due to common ion effect.

Q. Which of the following is/are correct statement(s) regarding carbonates of alkaline earth metal?
I. They are thermally unstable.
II. They are insoluble in water.
III. They cannot be precipitated by adding sodium or ammonium carbonate.
IV. Beryllium carbonate is thermally unstable.

$I, II$ and $III$ are correct

$II$ and $I V$ are correct

$I, II$ and $I V$ are correct

All are correct

Statements $I, II$ and $I V$ are correct, while the statement $III$ is incorrect. It's correct form is as follows
Carbonates of alkaline earth metals can be precipitated by adding sodium or ammonium carbonate due to common ion effect.

Q. Which of the following is/are correct statement(s) regarding carbonates of alkaline earth metal? I. They are thermally unstable. II. They are insoluble in water. III. They cannot be precipitated by adding sodium or ammonium carbonate. IV. Beryllium carbonate is thermally unstable.

I,II and III are correct

II and IV are correct

I,II and IV are correct