HARD
11th CBSE
IMPORTANT
Earn 100

The nitrogen oxide(s) that contains N-N bond(s) is (are)-

66.67% studentsanswered this correctly

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 62
A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after some time. Upon addition of Zn dust to the same solution, the gas evolution restarts. The colourless salt(s) H is (are)
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 63
White phosphorus (P4) has the following characteristics.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 64
Which of the following are correct statements?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 70
The maximum number of oxidation states which nitrogen can show in its compounds is.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 71
The total number of lone pairs of electrons in N2O3.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 72

Amongst the following, how many metals become passive when dipped in concentrated HNO3.

 Sn, Pb, Fe, Cr, Zn, Ni, Hg, Al, Cu

MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 73
What is the basicity of hypophosphorous acid?
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - p-Block Elements (Nitrogen Family)>Competition Focus>Q 74
X is a pale yellow solid. It hydrolyses in moist air and finally gets converted into phosphoric acid. X exists as an ionic solid. The total number of atoms present in its cation is.