Which one of the following reactions will occur on heating AgNO3 above its melting point?
2AgNO3 → 2Ag + 2NO2 + O2
2AgNO3 → 2Ag + N2 + 3O2
2AgNO3 → 2AgNO2 + O2
2AgNO3 → 2Ag + 2NO + 2O2
C.
2AgNO3 → 2AgNO2 + O2
Silver nitrate decomposes to silver nitrite on heating above its melting point (212°C).
On heating above 450°C (red hot), silver nitrate decomposes to metallic silver, oxide of nitrogen and oxygen.
In alkaline medium ClO2, oxidises H2O2 to O2 and itself gets reduced to Cl. How many moles of H2O2 are oxidized by 1 mole of ClO2?
1.0
1.5
2.5
3.5
The electron affinity values for the halogens show the following trend :
F < Cl > Br >I
F < Cl< Br< I
F > Cl > Br > I
F < Cl > Br < I
When H2S gas is passed through nitric acid, the product is:
prismatic S (colloidal)
amorphous S
monoclinic S
plastic S
Atoms in a P4 molecule of white phosphorus are arranged regularly in space in which of the following way ?
At the comers of tetrahedron
At the comers of a cube
At the comers of a four membered ring
At the centre and comers of a equivalent triangle
When F2 reacts with hot and concentrated alkali, then following will be obtained
(i) OF2
(ii) O2
(iii) H2O
(iv) NaF
(i), (iii) and (iv)
(ii) and (iii)
(ii), (iii) and (iv)
All of the above
What are the products obtained when ammonia is reacted with excess chlorine?
N2 and NCl3
N2 and HCl
N2 and NH4Cl
NCl3 and HCl
Which one ofthe following orderis correct for the bond energies of halogen molecules?
I2 > Cl2 > Br2
Br2 > Cl2 > I2
I2 > Br2 > Cl2
Cl2 > Br2 > I2
Which one of the following halogens liberates oxygen, when passed through hot concentrated KOH solution ?
I2
Cl2
Br2
F2