Question

Определить валентность серы в следующих соединениях:SO2;H2S;SO3;Al2S3

Answer 1

SO2 - S(IV);
H2S - S(II);
SO3 - S(VI);
Al2S3 - S(II).

Answer 2

+4, -2, +6, +2 вроде так)))

Answer 3

Valency of Sulfur in Different Compounds

SO2: The valency of sulfur in SO2 is +4 and -2.

H2S: The valency of sulfur in H2S is -2 and +1.

SO3: The valency of sulfur in SO3 is +6 and -2.

Al2S3: The valency of sulfur in Al2S3 is -2 and +3.

In summary: - SO2: +4, -2 - H2S: -2, +1 - SO3: +6, -2 - Al2S3: -2, +3

These valencies indicate the combining power of sulfur in these compounds.