Chemistry Chapter 4 – Group VA and VIA Elements (Class 12) for FSC, Entry Tests & NTS Preparation
Chapter 4, Group VA and VIA Elements, is an important topic for Class 12 students preparing for FSC board exams and medical/engineering entry tests like MDCAT, NUMS, AKU, NUST, ECAT, and NTS exams. This chapter explains the properties, chemical behavior, and trends of Group 15 (Nitrogen family) and Group 16 (Oxygen family) elements. Understanding these groups is essential for studying their compounds, reactions, and applications in industry and biological systems.
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Gas which has percentage equal to 78% In air Is the
Nitrogen has oxides:
Unpaired electron trend of transition elements:
PMC 2021 Tested
Chemistry
d and f Block Elements
Elimination Tool:
Paramagnetic elements contain:
NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:
The transition elements belongs to Group VI B are
PMC Practice 6
Chemistry
d and f Block Elements
Elimination Tool:
Oxidation Number of all the elements in the free state is?
PMC Practice 5
Chemistry
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D block elements are also called as ____ ?
PMC Practice 1
Chemistry
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d-block elements are present _____________ in the periodic table ?
PMC Sample 3
Chemistry
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H3PO3 is
Which one of the following does not have allotropes?
The geometry of the complex compounds usually depends upon:
PMC 2021 Tested
Chemistry
d and f Block Elements
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Ligands having two lone pair of electrons for donation to the central transition metal ion are known as:
UHS 2018
Chemistry
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Choose the correct IUPAC name for the following complex.
[Cr(NH3)4Cl2]Cl
NTS 2019
Chemistry
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Which of the following properties are associated with transition metals?
PMC Practice 6
Chemistry
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Au3+ has __________ configuration.
PMC Practice 5
Chemistry
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Which transition metal is used the most in industries?
PMC 2021 Tested
Chemistry
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Which is the correct electronic configuration of Chromium (24Cr)?
UHS 2018
Chemistry
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Which of the following has allotropic forms:
Which statement is true for K2(Cu(CN)4) ?
PMC Practice 4
Chemistry
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The shape of [Co(NH3)6]3+ complex is:
UHS 2018
Chemistry
d and f Block Elements
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The correct electronic configuration of Cr is:
PMC Practice 4
Chemistry
d and f Block Elements
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Which one of the following Is a vulcanizing agent?
Formula of laughing gas is?
The formula of Chile Peter salt is
The chemical name of K2[Zn(OH)4] is:
NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:
Which member of 5A group has no stable isotope?
What are interstitial compounds?
PMC Sample 2
Chemistry
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Copper reacts with hot concentrated H2SO4 in presence of
Hardness of transition metals is due to ______?
PMC Practice 6
Chemistry
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- Which of the following does not occur in Free State?
Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have a partially filled orbital in d-subshell?
UHS 2019
Chemistry
d and f Block Elements
Elimination Tool:
F-block elements are called?
PMC Practice 1
Chemistry
d and f Block Elements
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The colour of transition metal complexes is due to:
NTS 2019
Chemistry
d and f Block Elements
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Which of the following sets is of coinage metals?
PMC Sample 2
Chemistry
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In rhombic sulphur there are atoms in each molecule?
In which of the following the oxidation state of S is the highest
Which of the following is typical transition element?
PMC Practice 4
Chemistry
d and f Block Elements
Elimination Tool:
H2SO4 is used in industries of?
The ligand field effect splits five degenerate d-orbitals into two sets with different energies, the pair of high energy degenerate orbitals is:
NTS 2019
Chemistry
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Both 02 and 03 are Oxidizing agents but 02 is preferred because:
Which of these is not an isotope of Phosphorus?
Which one of the following elements has six valence electrons?
Key Concepts about Group VA and VIA Elements
The chapter explains the general characteristics of Group 15 and 16 elements, including electronic configuration, physical and chemical properties, and oxidation states. It covers the preparation, properties, and uses of important compounds such as oxides, hydrides, acids, and salts. The chapter also discusses trends in atomic and ionic radii, electronegativity, ionization energy, and their significance in chemical reactivity. Each concept is illustrated with examples, diagrams, and step-by-step explanations. These concepts are highly important for FSC board exams and entry tests like MDCAT, NUMS, AKU, NUST, and ECAT.
Free Entry Test Preparation
Mastery of Group VA and VIA elements helps students understand chemical reactivity, solve numerical and conceptual problems, and apply concepts to industrial, laboratory, and biological processes. PLS Academy provides practice questions, solved past papers, and chapter-wise MCQs to help students revise these topics effectively. Regular study of this chapter improves problem-solving skills, conceptual clarity, and exam performance, ensuring students are well-prepared for FSC board exams, competitive entry tests, and NTS exams.
JazakAllah.
