Bsc 1st Year Inorganic Chemistry MCQs With Answers 2023
BSc 1st year inorganic chemistry MCQs with answers 2023 are being given in this post.
You can also use these questions for quizzes.
These inorganic chemistry objective-type questions will also improve your general knowledge.
An attempt has been made to give inorganic chemistry mcqs with answers here according to the topic.
So that it is convenient for you to understand the questions.
Remember the answers to these questions and then write the questions in the second copy.
Now try to write their answers from your memory.
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Many sets of inorganic chemistry multiple choice questions and answers are available on the internet.
You can also use them to improve your practice and knowledge level.
These questions are set keeping in mind the examination of B.Sc 1st year inorganic paper.
Semester-wise studies are done in many colleges.
Here the practice set has been prepared to keep in mind the topics of the semester.
B.sc 1st sem inorganic chemistry mcq questions and answers are also useful for those students.
Let's start the preparation of MCQ on inorganic chemistry.
Covered Topics Are -
- Atomic Structure Mcq
- Ionic bond Mcq
- Covalent Bond Mcq
- Nomenclature Mcq
- Acids And Bases Mcq
- Periodicity Mcq
- Hydrogen Mcq
- Principles Of Metallurgy Mcq
MCQ On Atomic Structure Bsc 1st Year
Bohr's atomic model explains the spectra of -
(a) Only H-atom
(b) All the species having one electron
(c) All the cations
(D) All the atoms
Answer:- (b) All the species having one electron
The value of e/m for cathode rays depends upon the -
(a) Gas in the discharge tube
(b) Temperature
(c) Pressure
(d) None
Answer - (d) None
Which has the least value of e/m
(a) Electron
(b) Proton
(c) Neutron
(d) He+
Answer - (c) Neutron
The mass of one mole of the electron is
(a) 0.55 mg
(b) 2.0 mg
(c) 1.0 mg
(d) 0.18 mg
Answer - (a) 0.55 mg
The nucleus of the He atom has
(a) 4p+4e
(b) 2p+2n
(c) 4p+2n
(d) 2p+4n
Answer - (b) 2p+2n
Electron has maximum energy in -
(a) 1st orbit
(b) Middle orbit
(c) Higher orbit
(d) Equal in all
Answer - (c) Higher orbit
Which sub-shell is not possible?
(a) 1p
(b) 2d
(c) 3f
(d) all
Answer - (d) all
Electron comes first in
(a) 4s
(b) 3d
(c) 4p
(d) 4f
Answer - (a) 4s
The total value of magnetic quantum number for l=3 :
(a) 3
(b) 5
(c) 7
(d) 9
Answer - (c) 7
Which orbital does not have a directional character?
(a) s
(b) p
(c) d
(d) f
Answer - (a) s
Principal quantum number (n) describes:
(a) Distance of electron from the nucleus
(b) Shape of orbital
(c) Number of electrons in the orbital
(d) Configuration of orbital
Answer - (a) Distance of electorn from the nucleus
Which quantum number describes the shape of the orbital?
(a) n
(b) l
(c) m
(d) s
Answer - (b) l
The shape of the orbital for l=0
(a) Spherical
(b) Dumb-bell
(c) Double Dumb-bell
(d) Linear
Answer - (a) Spherical
The total value of n=3 :
(a) 9
(b) 7
(c) 6
(d) 3
Answer - (a) 9
According to which-rule N-atom has 3 unpaired electrons :
(a) Afbau rule
(b) Hund's rule
(c) Pauli exclusion principle
(d) Heisenberg uncertainty principle
Answer - (b) Hund's rule
According to which rule an orbital can not have more than 2 electrons :
(a) Afbau rule
(b) Hund's rule
(c) Pauli exclusion principle
(d) Heisenberg principle
Answer - (c) Pauli exclusion principle
Maximum number of electrons in a sub-shell :
(a) 2(2l+1)
(b) 2(2l)
(c) 2l+1
(d) 2l+2
Answer - (a) 2(2l+1)
Ionic bond MCQ With Answers Bsc 1st Year Inorganic Chemistry
Which of the following property is not of an ionic compound?
(a) Solubility in water
(b) High melting and boiling points
(c) Electrical conductivity in solid state
(d) Electrical conductivity in a molten state
Answer - (b) High melting and boiling points
Which of the following is the most electropositive element?
(a) Sodium
(b) Potassium
(c) Calcium
(d) Magnesium
Answer- (a) Sodium
Which of the following is the formula for the ionic compound formed between magnesium and oxygen?
(a) MgO
(b) Mg2O
(c)MgO2
(d)Mg3O2
Answer: (A)
Which of the following compounds is not ionic in nature?
(a) Lithium Chloride
(b) Ammonium Chloride
(c) Calcium Chloride
(d) Carbon tetrachloride
Answer - (d) Carbon tetrachloride
Magnesium bromide is an ionic compound with the chemical formula MgBr2. What does the “2” tell you?
(a) Bromide has a 2- charge
(b) There are two magnesium ions to every bromide ion
(c) There are two bromide ions for every magnesium ion
(d) Bromide has a 2+ charge
Answer - (c) There are two bromide ions for every magnesium ion
When an atom loses an electron, it becomes a
(a) Positive ion
(b) Negative ion
(c) Neutral ion
(d) Neutral atom
Answer - (a) Positive ion
Ionic compounds are soluble in -
(a) Ether
(b) Alcohol
(c) Kerosene
(d) Water
Answer - (d) Water
A neutral atom becomes a positive ion when it
(a) Gains an electron
(b) Gains a proton
(c) loses an electron
(d) loses a proton
Answer - (c) loses an electron
What is the greatest number of valence electrons an atom can have?
(a) 2
(b) 3
(c) 8
(d)12
Answer - (c) 8
What is an ionic bond?
(a) Ionic bond is formed by sharing of electrons between two atoms
(b) It is a bond formed by the transfer of electrons from one atom to another
(c) Both A and B are correct
(d) None of the above
Answer - (b) It is a bond formed by the transfer of electrons from one atom to another
What is the chemical name for the compound with the formula Na2S?
(a) Sodium fluoride
(b) Magnesium Sulfide
(c) Lithium Oxide
(d) Sodium Sulfide
Answer - (d) Sodium Sulfide
Which of the following are electrovalent compounds?
(a) Copper Sulphate
(b) Calcium Nitrate
(c) Magnesium Oxide
(d) All of the above
Answer - (d) All of the above
MCQs On Covalent Bond Bsc 1st Year (With Answer)
What is the total number of electrons shared in a triple covalent bond?
(a) One
(b) Two
(c) Three
(d) Six
Answer - (c) Three
Which of the following molecules is least likely to be soluble in water?
(a) CO2
(b) N2
(c) CO
(d) C2H6
Answer - (a) CO2
Which of the following elements can form a diatomic molecule held together by a covalent bond?
(a) Oxygen (O)
(b) Sodium (Na)
(c) Potassium (K)
(d) Calcium (Ca)
Answer - (a) Oxygen (O)
Which of the following molecules contains a triple covalent bond?
(a) N2
(b) CO
(c) C2H4
(d) C2H6
Answer - (a) N2
What is the strongest type of covalent bond?
(a) Single bond
(b) Double bond
(c) Triple bond
(d) Quadruple bond
Answer - (c) Triple bond
Which of the following molecules contains a double covalent bond?
(a) O2
(b) CO2
(c) N2 CO
Answer - (a) O2
Which of the following molecules has a nonpolar covalent bond?
(a) HCl
(b) CH4
(c) H2O
(d) NH3
Answer - (b) CH4
Which of the following molecules contains a single covalent bond?
(a) H2O
(b) CO2
(c) NH3
(d) HCl
Answer - (a) H2O
Which of the following compounds exhibits covalent bonding?
(a) Sodium chloride (NaCl)
(b) Calcium oxide (CaO)
(c) Water (H2O)
(d) Magnesium fluoride (MgF2)
Answer - (c) Water (H2O)
Nomenclature Mcq Questions Answer Bsc 1st Year
What is the name of the compound FeCl3?
(a) Iron trichloride
(b) Iron chloride
(c) Ferric chloride
(d) Ferrous chloride
Answer - (c) Ferric chloride
What is the name of the compound HCl?
(a) Hydrochloride
(b) Hydrochloric acid
(c) Chloric acid
(d) Chlorous acid
Answer - (b) Hydrochloric acid
What is the name of the compound CuCl2?
(a) Copper dichloride
(b) Copper chloride
(c) Cupric chloride
(d) Cuprous chloride
Answer - (c) Cupric chloride
What is the name of the compound H2SO4?
(a) Hydrogen sulfate
(b) Hydrogen sulfite
(c) Sulfuric acid
(d) Sulfurous acid
Answer - (c) Sulfuric acid
What is the correct name for the compound Al2O3?
(a) Aluminum oxide
(b) Aluminum hydroxide
(c) Aluminum peroxide
(d) Aluminum carbonate
Answer - (a) Aluminum oxide
Acids And Bases Multiple Choice Questions And Answers Bsc 1st Year
Which of the following substances is an example of a weak base?
(a) Sodium hydroxide (NaOH)
(b) Ammonia (NH3)
(c) Calcium hydroxide (Ca(OH)2)
(d) Potassium hydroxide (KOH)
Answer - (b) Ammonia (NH3)
What is the name of the base with the formula KOH?
(a) Potassium hydroxide
(b) Sodium hydroxide
(c) Calcium hydroxide
(d) Ammonium hydroxide
Answer - (a) Potassium hydroxide
Which of the following is a strong acid?
(a) Acetic acid (CH3COOH)
(b) Hydrochloric acid (HCl)
(c) Nitric acid (HNO3)
(d) Sulfuric acid (H2SO4
Answer - (c) Nitric acid (HNO3)
Which of the following is a neutralization reaction?
(a) HCl + NaOH → NaCl + H2O
(b) HNO3 + NH3 → NH4NO3
(c) H2SO4 + KOH → K2SO4 + H2O
(d) All of the above
Answer - (d) All of the above
What is the pH value of a neutral solution?
(a) 0
(b) 7
(c) 14
(d) 10
Answer - (b) 7
Periodicity Multiple Choice Questions Bsc First Year
Which of the following elements is a halogen?
(a) Sodium (Na)
(b) Calcium (Ca)
(c) Chlorine (Cl)
(d) Iron (Fe)
Answer - (c) Chlorine (Cl)
Which of the following is not a periodic property of elements?
(a) Atomic radius
(b) Ionization energy
(c) Electronegativity
(d) Electron affinity
Answer - (d) Electron affinity
Which group of elements in the periodic table is known as the alkali metals?
(a) Group 1
(b) Group 2
(c) Group 17
(d) Group 18
Answer - (a) Group 1
Which of the following elements has the highest atomic radius?
(a) Lithium (Li)
(b) Sodium (Na)
(c) Potassium (K)
(d) Rubidium (Rb)
Answer - (d) Rubidium (Rb)
The periodic table is arranged based on which property of elements?
(a) Atomic mass
(b) Atomic number
(c) Electronegativity
(d) Ionization energy
Answer - (b) Atomic number
Which of the following elements has the highest electronegativity?
(a) Sodium (Na)
(b) Oxygen (O)
(c) Aluminum (Al)
(d) Fluorine (F)
Answer - (d) Fluorine (F)
Multiple Choice Questions On Hydrogen
Which of the following is not a property of hydrogen gas (H2)?
(a) Colorless and odorless
(b) Highly flammable
(c) Denser than air
(d) Non-toxic
Answer - (c) Denser than air
Denser than air Which of the following compounds is an example of a covalent hydride?
(a) Sodium hydride (NaH)
(b) Calcium hydride (CaH2)
(c) Lithium hydride (LiH)
(d) Water (H2O)
Answer - (c) Lithium hydride (LiH)
Principles Of Metallurgy MCQ Bsc 1st Year
Which of the following is the most important principle of metallurgy?
(a) Reduction
(b) Smelting
(c) Refining
(d) All of the above
Answer - (d) All of the above
What is the process of converting an impure metal into its pure form called?
(a) Roasting
(b) Calcination
(c) Smelting
(d) Refining
Answer - (d) Refining
Which of the following is the most important property of a metal?
(a) Ductility
(b) Malleability
(c) Conductivity
(d) All of the above
Answer - (d) All of the above
What is the primary reducing agent used in the blast furnace for the extraction of iron?
(a) Carbon monoxide (CO)
(b) Carbon dioxide (CO2)
(c) Hydrogen (H2)
(d) Oxygen (O2)
Answer - (a) Carbon monoxide (CO)
Which method is used to extract highly reactive metals like sodium and potassium?
(a) Electrolysis
(b) Carbon reduction
(c) Smelting
(d) Leaching
Answer - (b) Carbon reduction
The temporary hardness of water may be softened by
(a) Boiling
(b) Demineralized water
(c) Deionized water
(d) All of the above
Answer: - (d) All of the above
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