SATHEE: Qualitative Analysis - Result Question 14

Qualitative Analysis - Result Question 14

####14. $[X] + H_{2} S O_{4} \to [Y]$ a colourless gas with irritating smell

$[Y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} ⟶$ green solution

$[X]$ and $[Y]$ are

$(2003, 1 M)$

(a) $S O_{3}^{2 -}, S O_{2}$

(b) $C l^{-}, H C l$

(d) $C O_{3}^{2 -}, C O_{2}$

Show Answer

Answer:

Correct Answer: 14. (a)

Solution:

$\underset{X}{S O_{3}^{2 -}} + H_{2} S O_{4} ⟶ \underset{Y}{S O_{2} ↑} + H_{2} O + S O_{4}^{2 -}$

$S O_{2}$ is a colourless gas with irritating odour.

$\underset{Y}{3 S O_{2}} + \underset{Green}{K_{2} C r_{2} O_{7}} + H_{2} S O_{4} ⟶ \underset{2}{K_{2} S O_{4}} + \underset{Cr}{C r_{2} {(S O_{4})}_{3}} + H_{2} O$

Qualitative Analysis - Result Question 14

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 14

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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