p-Block Elements

Among the following substituted silanes the one which will give rise to cross linked silicone polymer on
hydrolysis is :

Regular use of which of the following fertilizer increases the acidity of soil?

Identify the incorrect statement among the following :

The stability of dihalides of \(Si,Ge,Sn\) and \(Pb\) increases steadily in the sequence :

Which of the following statements is true?

What products are expected from the disproportionation reaction of hypochlorous acid?

The correct order of the thermal stability of hydrogen halides (H – X) is :

The structure of diborane (B2H6) contains :

In silicon dioxide :

The number of hydrogen atom(s) attached to phosphorus atom in hypophosphorous
acid is :

Heating an aqueous solution of aluminium chloride to dryness will give :

Beryllium and aluminium exhibit many properties which are similar. But the two elements
differ in :

Aluminium chloride exists as dimer, Al2Cl6 in solid state as well as in solution of non-polar
solvents such as benzene. When dissolved in water, it gives :

Which one the following statement regarding helium is incorrect?

Which among the following factors is the most important in making fluorine the strongest
oxidizing halogen?

The soldiers of Napolean army while at Alps during freezing winter suffered a serious problem as regards to the tin buttons of their uniforms. White metallic tin buttons got converted to grey power. The transformation is related to :

What may be expected to happen when phosphine gas is mixed with chlorine gas?

Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The
explanation for it is that :

Glass is a :

Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that
graphite :

Which one of the following substances has the highest proton affinity?

Number of sigma bonds in P4O10 is :

When H2S is passed through Hg2S we get :

In XeF2, XeF4, XeF6 the number of lone pairs of Xe are respectively :

In case of nitrogen, NCl3 is possible but not NCl5 while in case of phosphorous, PCl3 as well as
PCl5 are possible. It is due to :

Oxidation number of Cl in CaOCl2 (bleaching powder) is :