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
Order of reactivity of halogen acids towards an alcohol is
HCl > HBr > HI
HBr > HI > HCl
HI > HBr > HCl
HI > HCl > HBr
What are the products formed when ammonia reacts with excess chlorine?
N2 and NCl3
NCl3 and HCl
N2 and NH4Cl
N2 and HCl
Compound X is anhydride of sulphuric acid. The number of σ-bonds and the number of π-bonds presentin X are, respectively :
3,3
4,2
2,4
4,3
Which one of the following is a correct pair with respect to molecular formula of xenon compound and hybridization state of xenon in it?
XeF4, sp3
XeF2, sp
XeF2, sp3d
XeF4, sp2
The oxidation state of Xe in XeO3 and the bond angle in it respectively are:
+6, 109°
+8, 103°
+6, 103°
+8, 120°
Fluorosis disease is caused due to the reaction of with excess of fluoride in the body.
Ca
Mg
Fe
K
Two oxides of nitrogen, NO and NO2 react together at 253K and form a compound of nitrogen X. X reacts with water to yield another compound of nitrogen Y. The shape of the anion of Y molecule is :
tetrahedral
triangular planar
square planar
pyramidal