Chemistry - s Block Elements Question with Solution | TestHub

Chemistrys Block ElementsGeneralEasy2 minPYQ_2020

ChemistryEasysingle choice

A metal on combustion in excess air forms X. X upon hydrolysis with water yields $H_{2} O_{2}$ and $O_{2}$ along with another product the metal is

Answer:

Solution:

It is Rb and the reactions are as follows
$R b + O_{2} \to \underset{' X'}{R b O_{2}}$
$2 R b O_{2} + 2 H_{2} O \to 2 R b O H + H_{2} O_{2} + O_{2}$

Stream:NTA_ABHYASSubject:ChemistryTopic:s Block ElementsSubtopic:General

⏱ 2mℹ️ Source: PYQ_2020

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