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Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 17,18Easy2 minPYQ_2020

ChemistryEasysingle choice

A mixture of salt when heated with conc. $H_{2} S O_{4}$ and $M n O_{2}$ , brown fumes are formed due to presence of which ion?

Options:

Answer:

Solution:

It is a lab method for the preparation of $B r_{2}$ e.g.
$2 K B r + M n O_{2} + H_{2} S O_{4} \to$ $\underset{B r o w n g a s}{B r_{2}} + 2 K H S O_{4} + M n S O_{4}$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 17,18

⏱ 2mℹ️ Source: PYQ_2020

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