List of top Chemistry Questions on p -Block Elements asked in NEET (UG)

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Helium is used to dilute oxygen in diving apparatus.
Reason R: Helium has high solubility in O₂.
In the light of the above statements, choose the correct answer from the options given below.

Taking stability as the factor, which one of the following represents correct relationship?

Match List-I with List – II :

Choose the correct answer from the options given below.

Match List-I with List-Il:

Choose the correct answer from the options given below:

The stability of \(Cu^{2+}\) is more than \(Cu^+\) salts in aqueous solution due to

Statement I: The boiling points of the following hydrides of group 16 elements increases in the order - H₂O < H₂S < H₂Se < H₂Te
Statement II: The boiling points of these hydrides increases with increase in molar mass.
In the light of the above statements, choose the most appropriate answer from the options given below:

Assertion (A): ICl is more reactive than I₂
Reason(R): I-Cl bond is weak than I-I bond
Choose the most appropriate answer from the options given below:

Identify the incorrect statement from the following

Match the following

Oxide		Nature
(a)	CO	(ii)	Neutral
(b)	BaO	(i)	Basic
(c)	\(Al_{2}O_{3}\)	(iv)	Amphoteric
(d)	\(Cl_{2}O_{7}\)	(iii)	Acidic

Which of the following is correct option ?

Urea reacts with water to form $A$ which will decompose to form $B$. $B$ when passed through $Cu^{2+}(aq)$, deep blue colour solution C is formed. What is the formula of C from the following

Which of the following oxoacid of sulphur has -O-O- linkage?

Identify the correct statements from the following: 
(a) \(CO_2(g)\) is used as refrigerant for ice-cream and frozen food. 
(b) The structure of \(C_{60}\) contains twelve six carbon rings and twenty-five carbon rings. 
(c) \(ZSM-5\), a type of zeolite, is used to convert alcohols into gasoline. 
(d) \(CO\) is colorless and odourless gas.

For the second period elements the correct increasing order of first ionisation enthalpy is :

Match the Xenon compounds in Column-I with its structure in Column II and assign the correct code:

Column I		Column II
A	\(XeF_4\)	I	pyramidall
B	\(XeFe_6 \)	II	square planar
C	\(XeOF_4  \)	III	distorted octahedral
D	\(XeO_3\)	IV	square pyramidal

Code:

Which of the following is incorrect statement?

Identify the incorrect statement related to ${PCl_5}$ from the following:

Which is the correct thermal stability order for $H_2E$ (E = O. S. Se. Te and $Po$) ?

Which of the following species is not stable ?

Which of the following is incorrect statement ?

Which of the following statements is not true for halogens?

Match the interhalogen compounds of column-I with the geometry in column II and assign the correct. code.

Column I		Column II
(a)	$XX'$	(i)	T-shape
(b)	$XX'_3$	(ii)	Pentagonal bipyramidal
(c)	$XX'_5$	(iii)	Linear
(d)	$XX'_7$	(iv)	Square-pyramidal
		(v)	Tetrahedral

It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-

It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-

Boric acid is an acid because its molecule