p-Block Elements
Important Questions on p-Block Elements
Match List-I with Match List-II
| List-I (Metal) |
List-II (Application) |
||
| (A) | (I) | High temperature thermometer | |
| (B) | (II) | Water repellent sprays | |
| (C) | (III) | Photoelectric cells | |
| (D) | (V) | Bullet proof vest |
Choose the most appropriate answer from the options given below
Identify the correct statements about p-block
elements and their compounds.
(A) Non metals have higher electronegativity than
metals.
(B) Non metals have lower ionisation enthalpy
than metals.
(C) Compounds formed between highly reactive
nonmetals and highly reactive metals are
generally ionic.
(D) The non-metal oxides are generally basic in nature.
(E) The metal oxides are generally acidic or
neutral in nature.
Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is
______.
B, C, N, S, O, F, P, Al, Si
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R: Assertion A : The stability order of +1 oxidation state of Ga, In and Tl is Ga < In < Tl.
Reason R : The inert pair effect stabilizes the lower oxidation state down the group. In the light of the above statements, choose the correct answer from the options given below :
Given below are two statements :
Statement (I) : Both metal and non-metal exist in $\mathrm{p}$ and d-block elements.
Statement (II) : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.
In the light of the above statements, choose the most appropriate answer from the option given below:
Aluminium is usually found in oxidation state. In contrast, thallium exists in and oxidation states. This is due to:
