SATHEE: Qualitative Analysis - Result Question 10

Qualitative Analysis - Result Question 10

####10. A solution when diluted with $H_{2} O$ and boiled, it gives a white precipitate. On addition of excess $N H_{4} C l / N H_{4} O H$ , the volume of precipitate decreases leaving behind a white gelatinous precipitate. Identify the precipitate which dissolves in $N H_{4} O H / N H_{4} C l$ .

(a) $Z n (O H)_{2}$

(b) $A l (O H)_{3}$

(d) $C a (O H)_{2}$

(2006, 3M)

Show Answer

Answer:

Correct Answer: 10. (a)

Solution:

$Z n^{2 +} + 2 H_{2} O ⟶ \underset{White}{Z n (O H)_{2} ↓} ↓ + 2 H^{+}$

Qualitative Analysis - Result Question 10

Answer:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

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Sample Mock Test

Mentorship

NCERT Exercise Video Solution

Qualitative Analysis - Result Question 10

Answer:

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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