This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
ScanSolve AI Answer
Here are the observations and inferences for the tests on solid M: c) To second portion deep a glass rod and heat the glass rod on a non-luminous flame. | Observations | Inferences | | :--------------------------- | :---------------------------------------------------------------------- | | No characteristic flame color. | Absence of Na^+, K^+, Ca^2+, Ba^2+, Cu^2+ ions. | d) To the third portion, add a few drop of lead (II) nitrate and warm slightly. | Observations | Inferences | | :--------------------- | :---------------------------------------------------------------------- | | A white precipitate forms. | Sulfate ions (SO_4^2-) are present. | e) To the forth portion add 2 drops of barium nitrate solution followed by 1 cm^3 of dilute nitric acid. | Observations | Inferences | | :--------------------- | :---------------------------------------------------------------------- | | A white precipitate forms. | Sulfate ions (SO_4^2-) are present. | f) To the fifth portion add 2 drops of acidified potassium manganate (vii). | Observations | Inferences | | :--------------------------- | :---------------------------------------------------------------------- | | The purple solution remains purple. | Absence of reducing agents (e.g., SO_3^2-, NO_2^-, Fe^2+). |