P Block Elements MCQs for NEET 2026 | Important Questions

P-Block Elements – NEET 2026 Practice MCQs

Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?
Is soluble in water.
Is used as a food preservative.
Forms ‘acid-rain’.
Is a reducing agent.
Among Group 16 elements, which one does NOT show −2 oxidation state?
O
Se
Te
Po
Which one of the following molecules contains no π bond?
SO2
NO2
CO2
H2O
Which of the following is not correct about carbon monoxide?
It reduces oxygen carrying ability of blood.
The carboxyhemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.
It produced due to incomplete combustion.
It forms complex with haemoglobin.
It is because of inability of ns2 electrons of the valence shell to participate in bonding that
Sn2+ is oxidising while Pb4+ is reducing
Sn2+ and Pb2+ are both oxidising and reducing
Sn4+ is reducing while Pb4+ is oxidising
Sn2+ is reducing while Pb4+ is oxidising
Which of the following structure is similar to graphite?
B4C
B2H6
BN
B
Which of the following oxoacid of sulphur has — O — O — linkage?
H2SO4, sulphuric acid
H2S2O8, peroxodisulphuric acid
H2S2O7, pyrosulphuric acid
H2SO3, sulphurous acid
Which one of the following elements is unable to form MF63− ion?
Ga
Al
B
In
Which of the following statement is not correct about diborane?
There are two 3-centre-2-electron bonds.
The four terminal B-H bonds are two centre two electron bonds.
The four terminal Hydrogen atoms and the two Boron atoms lie in one plane.
Both the Boron atoms are sp2 hybridised.
Boric acid is an acid because its molecule
contains replaceable H+ ion
gives up a proton
accepts OH from water releasing proton
combines with proton from water molecule
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