List of top Chemistry Questions on p -Block Elements asked in WBJEE

White phosphorus $P_4$ has the following characteristics:

$Cl_2O_7 $ is the anhydride of

$PbCl_2$ is insoluble in cold water. Addition of $HCl$ increases its solubility due

Of the following compounds, which one is the strongest Bronsted acid in aqueous solution?

The shape of $XeF_{5}^{-}$ will be

Of the following atoms, which one has the highest n/p ratio?

Sulphuryl chloride $(SO_2Cl_2)$ reacts with white phosphorus $(P_4)$ to give

Match the flame colours of the alkaline earth metal salts in the Bunsen burner.

?Sulphan? is

Silicone oil is obtained from the hydrolysis and polymerisation of

In diborane, the number of electrons that account for bonding in the bridges is

In borax the number of $B-O-B$ links and $B-OH$ bonds present are, respectively,

$P_4O_{10}$ is the anhydride of

Which of the following is most abundant in the earth's crust ?

Atoms in a $P_{4}$ molecule of white phosphorus are arranged regularly in the following way :

Which one of the following pairs is obtained on heating ammonium dichromate?

When $KI$ is added to acidified solution of sodium nitrite, then

Liquor ammonia is