Chemistry - s Block Elements Question with Solution | TestHub

Chemistrys Block ElementsGeneralEasy2 minPYQ_2020

ChemistryEasysingle choice

An inorganic substance liberates oxygen on heating and turns and acidic solution of Kl brown and reduces acidified $K M n O_{4}$ solution. The substance is

Options:

Answer:

Solution:

It is $H_{2} O_{2}$ and the reactions are as follows
$2 H_{2} O_{2} \overset{H e a t}{\to} 2 H_{2} O + O_{2}$
$2 K I {+H}_{2} O_{2} \overset{A c i d i c}{\to} 2 K O H + \underset{B r o w n}{I_{2}}$

Stream:NTA_ABHYASSubject:ChemistryTopic:s Block ElementsSubtopic:General

⏱ 2mℹ️ Source: PYQ_2020

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