MEDIUM
11th CBSE
IMPORTANT
Earn 100

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity ?

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Important Questions on p-Block Elements (Nitrogen Family)

HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 28
Nitric acid can be obtained from ammonia via​​​​​​ the formation of the intermediate compounds
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 29
Concentrated nitric acid, upon long-standing, turns yellow-brown due to the formation of-
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 30
The reaction of zinc with dilute and concentrated nitric acid, respectively gives-
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 31
When copper is heated with conc.HNO3 it produces
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 32
Among the metals Fe, Zn, Pb, Ag, and Pt which do not give a metal nitrate on treatment with concentrated HNO3?
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 33
The brown ring test for nitrates depends upon
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 34
The oxidation number of Fe in brown ring [Fe(H2O)5NO]2+ is
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 35
[Fe(H2O)5NO]2+ is a complex formed during the brown ring test for NO3- ion. In this complex-