AP EAMCET202316 May 2023Evening ShiftChemistrySurface ChemistryActual
In which of the following, the sol is not correctly matched with respect to its charge? I. Al ₂ O ₃ x H ₂ O sol; + ve sol II. Starch sol; +ve sol III. TiO ₂ sol; -ve sol IV. Methylene blue sol; +ve sol The correct answer is
Options
- AI, IV
- BI, III
- CII, III
- DII, IV
Correct answer
C. II, III
Step-by-step solution
Starch sol is a negatively-charged sol while TiO ₂ is a positively-charged sol. Thus, II and III are not correctly matched.