Chemistry - Complete s-block Question with Solution | TestHub

ChemistryComplete s-blocks-block IAEasy2 minPYQ_2004

ChemistryEasysingle choice

Which of the following dissolves in hot conc. NaOH solution?

Answer:

Solution:

Zinc is quite reactive metal. It dissolves in excess of hot NaOH to give sodium zincate. $Zn + 2 NaOH ⟶ sodium zincate Na_{2} ZnO_{2} + H_{2} ↑$

Stream:JIPMERSubject:ChemistryTopic:Complete s-blockSubtopic:s-block IA

⏱ 2mℹ️ Source: PYQ_2004

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