Periodic Classification Mcqs
Our collections of Multiple choice questions and answers focuses on study of Periodic Classification in Chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate Periodic Classification in Chemistry comprehensively.
2. An element having low value of ionization energy and low value of electron affinity is likely to belong to
Group IA
Group IB
Group VIIA
Group VIII
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4. Which of the following always increases on going from top to bottom in a group?
Metallic character
Electronegativity
Oxidizing power
Tendency to get reduced
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5. Which of the p-block elements are not representative elements?
Alkali metals (I-A)
Group-14 elements (IV-A)
Group-18 elements (VIII-A)
Halogens (VII-A)
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6. Among halogens the highest boiling point is of
Flrorine
Chlorine
Bromine
Iodine
7. Which of the following will not form crystalline structure with opporitely charged ions
H+
H-
Mg2+
Ca2+
8. Which statement is incorrect?
All the metals are good conductor of electricity.
All the metals are good conductor of heat
All the metals form positive ions
All the metals form acidic oxides
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9. Periodic table provides a basic framework to study elements with respect to their
Physical properties
Chemical properties
Properties of their compounds
All
10. The scientist who did not contribute in the construction of periodic table?
Al-Razi
Moseley
Dobereiner
Democritus
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11. Concept of Triads was introduced by
Dobereiner
Newland
Mendeleev
Al-Razi
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12. Which element was not known when Mendeleev proposed his classification?
Hydrogen
Sodium
Copper
Germanium
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13. Elements with similar chemical properties appear in the
Same family
Same period
P block elements
Right upper corner
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14. Noble gases are named so because they are
Less reactive
Zero group elements
Having completely filled valence shell
All
15. In modern periodic table all the leements are arranged in ascending order of
Valency
Atomic mass
Atomic number
Valence electrons
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16. The longest period in the modern periodic table is
6th
7th
2nd and 3rd both
5th