List of top Chemistry Questions on p -Block Elements

S₁: Be⁺² has higher SRP than other alkaline earth metals.
S₂: Be⁺² has higher hydration energy and greater △aH (atomisation enthalpy) than other alkaline earth metals.

$H_2O_2$ behave like reducing agent in which of the following reactions:

Which one of the following elements will remain as liquid inside pure boiling water?

Compound A reacts with $NH _4 Cl$ and forms a compound B Compound B reacts with $H _2 O$ and excess of $CO _2$ to form compound $C$ which on passing through or reaction with saturated $NaCl$ solution forms sodium hydrogen carbonate Compound $A , B$ and $C$, are respectively

Total number of acidic oxides among $N_2O_3,NO_2, N_2O,Cl_2O_7,SO_2,CO,CaO,Na_2O$ and NO is ____ .

Which one among the following metals is the weakest reducing agent?

Given below are two statements, one is labelled as Assertion $A$ and the other is labeled as Reason $R$
Assertion A : The alkali metals and their salts impart characteristic colour to reducing flame
Reason R : Alkali metals can be detected using flame tests
In the light of the above statements, choose the most appropriate answer from the options given below

Match List I with List II

LIST I		LIST II
A	Chlorophyll	1	$Na _2 CO _3$
B	Soda ash	2	$CaSO _4$
C	Dentistry, Ornamental work	3	$Mg ^{2+}$
D	Used in white washing	4	$Ca ( OH )_2$

The examples of chain silicate and sheet silicate respectively are

Which one among the following metals is the weakest reducing agent?

Match the terms in Column-I with their description in Column-II:

Column-I		Column-II
P	N₂O₅	(i)	N–N bond
Q	N₂O	(ii)	N–O–N bond
R	N₂O₄	(iii)	N=N / N≡N bond
S	NO₂	(iv)	N=O bond

Number of P-O-P bonds in H₃PO₄, P₄O₁₀, (HPO₃)₃

Mg(NO₃)₂. XH₂O and Ba(NO₃)₂.YH₂O, represent formula of the crystalline forms of nitrate salts. Sum of X and Y is _____________ .

Sum of $\pi$-bonds present in peroxodisulphuric acid and pyrosulphuric acid is___________