p-Block Elements

Under hydrolytic conditions, the compounds used for preparation of linear polymer and for chain termination, respectively, are

Which among the following is the most reactive ?

Which one has the highest boiling point ?

Assertion : Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Reason : The reaction between nitrogen and oxygen requires high temperature.

The least number of oxyacids are formed by :

The geometry of $\ce{XeOF4}$ by VSEPR theory is :

Which of the following compounds has a P − P bond ?

Chlorine water on standing loses its colour and forms :

The correct statement(s) for orthoboric acid is/are

The pair(s) of reagents that yield paramagnetic species is/are

Consider the following list of reagents:

Acidified $\ce{K2Cr2O7}$, alkaline $\ce{KMnO4}$, $\ce{CuSO4}$, $\ce{H2O2}$, $\ce{Cl2}$, $\ce{O3}$, $\ce{FeCl3}$, $\ce{HNO3}$ and $\ce{Na2S2O3}$.

The total number of reagents that can oxidise aqueous iodide to iodine is

The product formed in the reaction of $\ce{SOCl2}$ with white phosphorous is

Under ambient conditions, the total number of gases released as products in the final step of the reaction scheme shown below is

Among the following oxoacids, the correct decreasing order of acid strength is :

Which one of the following properties is not shown by NO ?

The correct statement for the molecule, $\ce{CsI3}$, is :

The gas evolved on heating $\ce{CaF2}$ and $\ce{SiO2}$ with concentrated $\ce{H2SO4}$, on hydrolysis gives a white gelatinous precipitate. The precipitate is :

In the following sets of reactants which two sets best exhibit the amphoteric character of $\ce{Al2O3.xH2O}$ ?

Set 1 : $\ce{Al2O3.xH2O(s)}$ and $\ce{OH-(aq)}$

Set 2 : $\ce{Al2O3.xH2O(s)}$ and $\ce{H2O(l)}$

Set 3 : $\ce{Al2O3.xH2O(s)}$ and $\ce{H+(aq)}$

Set 4 : $\ce{Al2O3.xH2O(s)}$ and $\ce{NH3(aq)}$

The number and type of bonds in $\ce{C2^2-}$ ion in $\ce{CaC2}$ are :

Shapes of certain interhalogen compounds are stated below. Which one of them is not correctly stated ?