Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET
Exam
NEET
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

NEET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

What causes the formation of a brown ring in the Brown Ring Test?

What causes the formation of a brown ring in the Brown Ring Test?

Options

  1. AThe reaction of nitrate ions with ferrous ions (Fe²⁺)
  2. BThe reaction of nitric oxide with ferrous ions (Fe²⁺)
  3. CThe reaction of sulfuric acid with water
  4. DThe reduction of ferrous ions (Fe²⁺) to ferric ions (Fe³⁺)

Correct answer

A. The reaction of nitrate ions with ferrous ions (Fe²⁺)

Step-by-step solution

The paragraph describes that in the Brown Ring Test, the brown ring is formed by the reaction of nitrate ions with ferrous ions (Fe²⁺).
Practice p Block Elements (Group 15, 16, 17 & 18) on Quantrex Academy →

More from p Block Elements (Group 15, 16, 17 & 18)

Identify the incorrect statement from the following : NEET 2026Given below are two statements: Statement-I : Heating NaCl with concentrated H _2 SO _4… NEET 2026Given below are two statements: Statement I : Like nitrogen that can form ammonia… NEET 2025Match List - I with List-II List-I List-II A. XeO_3 I. sp^3 d, linear B. XeF_2 II. sp^3… NEET 2025Among Group 16 elements, which one does NOT show -2 oxidation state? NEET 2024Identify the incorrect statement. NEET 2024The products A and B obtained in the following reactions, respectively, are aligned & 3… NEET 2024Given below are two statements: Statement I: The boiling point of hydrides of Group 16… NEET 2024 Full p Block Elements (Group 15, 16, 17 & 18) list All NEET PYQs