p-Block Elements

IMPORTANT

p-Block Elements: Overview

This topic covers concepts, such as, p-Block Elements, General Configuration of p-Block Elements, Inert Pair Effect & Anomalous Behaviour of First Element of Each Group and its Reasons etc.

Important Questions on p-Block Elements

MEDIUM
IMPORTANT

Match List I with List II

  List I
Type of Hydride
  List II
Example
A Electron deficient hydride I MgH2
B Electron rich hydride II HF
C Electron precise hydride III B2H6
D Saline hydride IV CH4

Choose the correct answer from the options given below :

MEDIUM
IMPORTANT

Match List I with List II

  List I   List II
A Nitrogen oxides in air I Eutrophication
B Methane in air II pH of rain water becomes 5.6
C Carbon dioxide III Global warming
D Phosphate fertilisers in water IV Acid rain

Choose the correct answer from the options given below :

EASY
IMPORTANT

The possibility of photochemical smog formation will be minimum at

MEDIUM
IMPORTANT

Which hydride among the following is less stable?

EASY
IMPORTANT

The delicate balance of CO2 and O2 is NOT disturbed by

EASY
IMPORTANT

Non-metallic character _____ down the group.

EASY
IMPORTANT

The oxides of nonmetal which is neutral is

EASY
IMPORTANT

In aluminates, the co-ordination number of Al is:

EASY
IMPORTANT

Choose the correct option for the stability of dihalides of Si, Ge, Sn and Pb.

HARD
IMPORTANT

The correct statement among the following is:

EASY
IMPORTANT

Which of the following is not colorless?

EASY
IMPORTANT

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.

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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 :

EASY
IMPORTANT

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:

EASY
IMPORTANT

Which of the following can not show a variable oxidation state?

MEDIUM
IMPORTANT

Which of the following statement is true with respect to inert-pair effect?

MEDIUM
IMPORTANT

An element 'X' belongs to fourth period and fifteenth group of the periodic table. Which one of the following is true regarding the outer electronic configuration of 'X'?

HARD
IMPORTANT

Select the correct statement (s)

EASY
IMPORTANT

Which order is correct for the stability of +1 oxidation states?