Chem Mantra
HomeCoursesOnline TestsForum
ForumQuestion BankWhich of the following is/are correct?
MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)O and O

Which of the following is/are correct?

A.O₃ + moist iodine HIO₃
B.FeCl₃ + H₂S → colloidal sulphur
C.O₃ + Ag → black silver
D.All✓ Correct
Explanation

3 2 2 3 2 5 2 5 Moist O H O I HIO O → 3 2 2 2 2 2 Colloidal FeCl H S FeCl HCl S → 3 2 2 2 Black O Ag Ag O O →

Back to Question Bank

Practice More Like This

Take chapter-wise tests, track your progress, and master p -Block Elements (group 15-18).

Start Free Practice →
Sponsored

Master Chemistry for JEE, NEET & IChO

Access 19,000+ solved questions with expert explanations, chapter-wise tests, and full video lectures — all in one platform.

JEE Advanced Chemistry
Explore Courses →Sign In Free