Chemistry - Complete P-block Question with Solution | TestHub

ChemistryComplete P-blockp-Block 15,16Easy2 minPYQ_2020

ChemistryEasynumerical

The number of metals that show passivity with concentrate $H N O_{3}$ among
Cr, Fe, Ni, Cu, Zn, Al, Ag, Sn

Answer:

4.00

Solution:

$C r, F e, N i$ and $A l$ react with conc. ${H N O}_{3}$ to form a protective oxide layer which protest the metal surface from further reaction.

Stream:NTA_ABHYASSubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16

⏱ 2mℹ️ Source: PYQ_2020

Loading discussions...