Hi, please do a) b) and c). Thank you. metals reacting with selectively precipit

Question

Hi, please do a) b) and c). Thank you. metals reacting with selectively precipitating anions. The cations and the anions are in in the same group. 2. The following made-up reaction pattern is similar to the pattern of no particular order on the table, but the cations are all precipitate. S-soluble (no precipitate) Test anions: Cations: H+2 I*2 J-2 K-2 Unknown a. What cation is in the unknown solution (H'2, r2, J2, or K2 b. For the elements (H, I, J, K), predict the order of increasing size and atomic mass, based on their precipitation patterns: Smallest, lightest Largest, heaviest Predict the order the elements (H, I, J, K) would appear on the periodic table. c. lowest in the group highest in the group

Explanation / Answer

a) According to the entries mentioned in the table, the cation in the unknown solution is I2+

b) K2+ < J2+ < I2+ < H2+

Explanation: As the size of the cation is more, the more chance for its precipitation.

c) The order of atomic no./size: H2+ > I2+ > J2+> K2+

Explanation: In a group, the size of the cation increases gradually as a result of an added shell.

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