p Block Elements (Group 13 & 14)

The number of bridged oxygen atoms present in compound $B$formed from the following reactions is $\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2}\overset{673K}{\longrightarrow\,}A+\mathrm{PbO}+O_{2}$…

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

In silicon dioxide

Boric acid in solid, whereas $\mathrm{BF}_{3}$is gas at room temperature because of

The geometry around boron in the product '$B$' formed from the following reaction is $\mathrm{BF}_{3}+\mathrm{NaH}\overset{450K}{\longrightarrow\,}A+\mathrm{NaF}$ $A+\mathrm{NMe}_{3}\rightarrow\,B$

A group 13 element $^{'}X^{'}$ reacts with chlorine gas to produce a compound $\mathrm{XCl}_{3}.\mathrm{XCl}_{3}$ is electron deficient and easily reacts with…

Match List - I with List - II. List - I Compound List-II Use (A) Carbon tetrachloride (I) Paint remover (B) Methylene chloride (II) Refrigerators and air conditioners (C) DDT (III) Fire extinguisher (D) Freons (IV) Non…

If the formula of Borax is $\mathrm{Na}_{2}B_{4}O_{x}(\mathrm{OH})_{y}\cdot\,\mathrm{zH}_{2}O$, then $x+y+z=\_\_\_\_\_\_$

Given below are two statements: Statement (I) : $\mathrm{SiO}_{2}$ and $\mathrm{GeO}_{2}$are acidic while $\mathrm{SnO}$ and $\mathrm{PbO}$ are amphoteric in nature. Statement (II) : Allotropic forms of carbon are due…

The ratio of number of water molecules in Mohr's salt and potash alum is $\times\,10^{-1}.$ (Integer answer)

Identify the reaction which does not liberate hydrogen

Assertion: Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity. Reason: Hybridization of carbon in diamond and graphite are $sp^{3}$ and $sp^{2}$ respectively.