Periodic Classification MCQs

Option A: All the metals are good conductor of electricity

Option B: All the metals are good conductor of heat

Option C: All the metals form positive ions

Option D: All the metals form acidic oxides

Correct Answer: All the metals form acidic oxides ✔

Option A: Mg > Sr

Option B: Ba > Mg

Option C: Lu > Ce

Option D: C1 > I

Correct Answer: Ba > Mg ✔

Option A: Strong covalent bond

Option B: Large value of dipole moment

Option C: High polarizability

Option D: Strong hydrogen bonding

Correct Answer: High polarizability ✔

Option A: Covalent halides

Option B: Electronegative halides

Option C: Polymeric halides

Option D: Polymeric hydrides

Correct Answer: Polymeric halides ✔

Option A: Number of electrons gained

Option B: Number of electrons lost

Option C: Apparent charge in compound

Option D: Its vacancies

Correct Answer: Apparent charge in compound ✔

Option A: Increase down the group

Option B: Decrease down the group

Option C: No regular trend

Option D: Remain same

Correct Answer: Increase down the group ✔

Option A: Exothermic

Option B: Endothermic

Option C: Data is insufficient

Option D: Unpredictable

Correct Answer: Endothermic ✔

Option A: Nuclear charge

Option B: Atomic size

Option C: Shielding effect

Option D: I.E depends upon all of the above and nature of orbital

Correct Answer: I.E depends upon all of the above and nature of orbital ✔

Option A: Hard water

Option B: Heavy water

Option C: Soft water

Option D: Water gas

Correct Answer: Heavy water ✔

Option A: Ionization energy

Option B: Atomic radii

Option C: Melting & boiling points

Option D: Atomic volume

Correct Answer: Melting & boiling points ✔

Option A: Location of nucleus by Rutherford

Option B: Atomic number by Moseley

Option C: X-rays by Roentgen

Option D: Natural radioactivity by Henry Bacquerel.

Correct Answer: Atomic number by Moseley ✔

Option A: Melting point of elements

Option B: Boiling point of elements

Option C: Ionization energy of elements

Option D: Coordination number of ions

Correct Answer: Coordination number of ions ✔

Option A: Boron & Beryllium

Option B: Nitrogen & Phosphorous

Option C: Magnesium & Aluminium

Option D: Gallium & Helium

Correct Answer: Nitrogen & Phosphorous ✔

Option A: Same number of electrons in the valence shell

Option B: Similar physical state

Option C: Remarkable reducing properties

Option D: Homovalent (show same valency)

Correct Answer: Remarkable reducing properties ✔

Option A: Acidic

Option B: Basic

Option C: Acidic and basic

Option D: Neutral and acidic

Correct Answer: Acidic ✔

Option A: 2

Option B: 4

Option C: 8

Option D: 7

Correct Answer: 4 ✔

Option A: 2

Option B: 4

Option C: 6

Option D: 8

Correct Answer: 2 ✔

Option A: 6th

Option B: 7th

Option C: 2nd and 3rd both

Option D: 5th

Correct Answer: 6th ✔

Option A: less reactive

Option B: Zero group elements

Option C: Having completely filled valence shell

Option D: All

Correct Answer: All ✔

Option A: Hydrogen

Option B: Sodium

Option C: Copper

Option D: Germanium

Correct Answer: Germanium ✔

Option A: Al-Razi

Option B: Moseley

Option C: Dobereiner

Option D: Democritus

Correct Answer: Democritus ✔

Option A: Flrorine

Option B: Chlorine

Option C: Bromine

Option D: Iodine

Correct Answer: Iodine ✔

Option A: Metallic character

Option B: Electronegativity

Option C: Oxidizing power

Option D: Tendency to get reduced

Correct Answer: Metallic character ✔

Option A: Group IA

Option B: Group IB

Option C: Group VIIA

Option D: Group VIII

Correct Answer: Group IA ✔

Option A: O-2

Option B: H+

Option C: Cl-

Option D: Na+

Correct Answer: O-2 ✔

Option A: Cr

Option B: Mn

Option C: Sn

Option D: O

Correct Answer: Mn ✔

Option A: MnO < MnO2 < Mn2O7

Option B: Mn2O7 > MnO2 > MnO

Option C: MnO2 > MnO > Mn2O7

Option D: MnO2 > Mn2O7 > MnO

Correct Answer: Mn2O7 > MnO2 > MnO ✔

Option A: Na+

Option B: K+

Option C: Mg+2

Option D: Ca+2

Correct Answer: Mg+2 ✔

Option A: Increase

Option B: Decrease

Option C: Remain constant

Option D: No regular trend

Correct Answer: Increase ✔

Option A: Atom will lose electron easily

Option B: Atom will gain electron easily

Option C: Atom may form di-positive ion

Option D: The reason is unknown

Correct Answer: Atom will gain electron easily ✔

Option A: Increases

Option B: Decreases

Option C: Can not be predicted

Option D: Remains constant

Correct Answer: Remains constant ✔

Option A: Isobars

Option B: Isomers

Option C: Isotopes

Option D: Isotropes

Correct Answer: Isotopes ✔

Option A: H+

Option B: H-

Option C: Cl-

Option D: All are stable

Correct Answer: Cl- ✔

Option A: Group II-A

Option B: Group IV-A

Option C: Group VII-A

Option D: Group VI-A

Correct Answer: Group IV-A ✔

Option A: Alkali metal

Option B: Alkaline earth metal

Option C: Elements from Li to Ne

Option D: Halogens

Correct Answer: Elements from Li to Ne ✔

Option A: The nature of its oxides

Option B: The charge on its ions

Option C: The formula of its oxide

Option D: Its number of isotopes

Correct Answer: Its number of isotopes ✔

Option A: Cu Hg Au

Option B: Cu Ag Au

Option C: Ag Au Hg

Option D: Cu Fe Au

Correct Answer: Cu Ag Au ✔

Option A: Both are electropositive

Option B: Similar outer most shell electronic configuration

Option C: Both form ionic compounds

Option D: All

Correct Answer: All ✔

Option A: Acidic

Option B: Amphoteric

Option C: Neutral

Option D: All of the above

Correct Answer: Acidic ✔

Option A: Lanthanides

Option B: Actinides

Option C: Rare earth metals

Option D: All

Correct Answer: All ✔

Option A: Valency

Option B: Atomic mass

Option C: Atomic number

Option D: Valence electrons

Correct Answer: Atomic number ✔

Option A: Same family

Option B: Same period

Option C: p block elements

Option D: Right upper corner

Correct Answer: Same family ✔

Option A: Dobereiner

Option B: Newland

Option C: Mendeleev

Option D: Al-Razi

Correct Answer: Dobereiner ✔

Option A: Physical properties

Option B: Chemical properties

Option C: Properties of their compounds

Option D: All

Correct Answer: All ✔

Option A: H+

Option B: H-

Option C: Mg2+

Option D: Ca2+

Correct Answer: H+ ✔

Option A: Alkali metals (I-A)

Option B: Group-14 elements (IV-A)

Option C: Group-18 elements (VIII-A)

Option D: Halogens (VII-A)

Correct Answer: Group-18 elements (VIII-A) ✔

Option A: Number of valence electrons

Option B: Atomic number

Option C: Atomic mass

Option D: Atomic volume

Correct Answer: Number of valence electrons ✔