p-Block Elements — JEE Main PYQs

Aluminium is usually found in +3 oxidation state. In contrast, thallium exists in +1 and +3 oxidation states. This is due to

The correct order of catenation is:

The oxoacid of sulphur that does not contain bond between sulphur atoms is:

When metal ' M ' is treated with NaOH , a white gelatinous precipitate ' $X$ ' is obtained, which is soluble in excess of NaOH . Compound ' X ' when heated strongly gives an oxide which is used in chromatography as an adsorbent. The metal ' M ' is :

The compound that does not produce nitrogen gas by the thermal decomposition is :

The products obtained when chlorine gas reacts with hot and concentrated NaOH are:

The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:

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.

Which among the following is the most reactive?

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

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

Which of the following is the wrong statement?

Boron cannot form which one of the following anions ?

Which of the following statement is wrong ?

Which of the following statements regarding sulphur is incorrect ?

Which one of the following reactions of Xenon compounds is not feasible ?

Which one of the following is the correct statement?

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

The stability of dihalides of $\mathrm{Si},\mathrm{Ge},\mathrm{Sn}$ and Pb increases steadily in the sequence

Identify the incorrect statement among the following
(1) Ozone reacts with ${\mathrm{SO}}_2$ to give ${\mathrm{SO}}_3$
(2) Silicon reacts with ${\mathrm{NaOH}}_{(\mathrm{aq})}$ in the presence of air to give ${\mathrm{Na}}_2{\mathrm{SiO}}_3$ and ${\mathrm{H}}_2\mathrm{O}$ …

Which of the following chemical reactions depicts the oxidizing behaviour of ${\mathrm{H}}_2{\mathrm{SO}}_4$ ?

Which of the following statements is true?

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

Which of the following oxides is amphoteric in character?

The number and type of bonds between two carbon atoms in calcium carbide are

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

The correct order of the thermal stability of hydrogen halides $(H-X)$ is

Heating an aqueous solution of aluminium chloride to dryness will give

In silicon dioxide

Which one the following statement regarding helium is incorrect?

Aluminium chloride exists as dimer, ${\mathrm{Al}}_2{\mathrm{Cl}}_6$ in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives