SATHEE: The P Block Elements - Result Question 17

The P Block Elements - Result Question 17

####17. Brown ring test is used to detect

(a) Iodine

(b) Nitrate

(d) Bromide

[1994]

Show Answer

Solution:

(b) Brown ring test is done for the confirmation of $N O_{3}^{-}$ ions.

$\begin{aligned} N a N O_{3} (a q) + H_{2} S O_{4} (a q) \\ ⟶ N a H S O_{4} (a q) + H N O_{3} (a q) \\ 6 F e S O_{4} + 2 H N O_{3} + 3 H_{2} S O_{4} \\ ⟶ 3 F e_{2} (S O_{4})_{3} + 2 N O + 4 H_{2} O \\ F e S O_{4} + N O ⟶ \underset{Ferrous nitroso-sulphate}{[F e (N O)] S O_{4}} \\ (Brown ring) \end{aligned}$

The P Block Elements - Result Question 17

Solution:

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The P Block Elements - Result Question 17

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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