Q. Which gas is primarily responsible for the greenhouse effect?
A.
Oxygen
B.
Nitrogen
C.
Carbon Dioxide
D.
Hydrogen
Show solution
Solution
Carbon Dioxide (CO2) is primarily responsible for the greenhouse effect, trapping heat in the atmosphere.
Correct Answer:
C
— Carbon Dioxide
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Q. Which group of the periodic table contains the alkali metals?
A.
Group 1
B.
Group 2
C.
Group 13
D.
Group 18
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Solution
Alkali metals are found in Group 1 of the periodic table.
Correct Answer:
A
— Group 1
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Q. Which group of the periodic table contains the halogens?
A.
Group 1
B.
Group 2
C.
Group 17
D.
Group 18
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Solution
Halogens are located in Group 17 of the periodic table.
Correct Answer:
C
— Group 17
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Q. Which group of the periodic table contains the noble gases?
A.
Group 1
B.
Group 2
C.
Group 17
D.
Group 18
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Solution
Noble gases are found in Group 18 of the periodic table.
Correct Answer:
D
— Group 18
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Q. Which isotope of hydrogen is known as deuterium?
A.
H-1
B.
H-2
C.
H-3
D.
H-4
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Solution
Deuterium is the isotope of hydrogen with one neutron, denoted as H-2.
Correct Answer:
B
— H-2
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Q. Which isotope of hydrogen is the most abundant?
A.
Deuterium
B.
Tritium
C.
Protium
D.
Hydrogen-3
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Solution
Protium is the most abundant isotope of hydrogen.
Correct Answer:
C
— Protium
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Q. Which of the following complexes exhibits geometrical isomerism?
A.
[Co(NH3)3Cl3]
B.
[Ni(CN)4]2-
C.
[CuCl4]2-
D.
[Fe(CO)6]
Show solution
Solution
[Co(NH3)3Cl3] can exhibit geometrical isomerism due to the presence of different ligands in a square planar geometry.
Correct Answer:
A
— [Co(NH3)3Cl3]
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Q. Which of the following complexes exhibits optical isomerism?
A.
[Cr(en)3]3+
B.
[Co(NH3)6]3+
C.
[NiCl2(H2O)4]
D.
[CuCl2]
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Solution
The complex [Cr(en)3]3+ exhibits optical isomerism due to its chiral nature.
Correct Answer:
A
— [Cr(en)3]3+
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Q. Which of the following complexes is an example of a bidentate ligand?
A.
[Cu(NH3)4]SO4
B.
[Fe(CN)6]3-
C.
[Ni(en)3]Cl2
D.
[AgCl2]-
Show solution
Solution
Ethylenediamine (en) is a bidentate ligand as it can form two bonds with the metal ion.
Correct Answer:
C
— [Ni(en)3]Cl2
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Q. Which of the following complexes is expected to be diamagnetic?
A.
[Fe(H2O)6]3+
B.
[Cu(NH3)4]2+
C.
[Co(NH3)6]3+
D.
[Ni(CO)4]
Show solution
Solution
[Ni(CO)4] is diamagnetic because all electrons are paired in the presence of the strong field ligand CO.
Correct Answer:
D
— [Ni(CO)4]
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Q. Which of the following complexes is paramagnetic?
A.
[Fe(CN)6]3-
B.
[Co(NH3)6]3+
C.
[CuCl4]2-
D.
[MnO4]-
Show solution
Solution
[Co(NH3)6]3+ has unpaired electrons and is therefore paramagnetic.
Correct Answer:
B
— [Co(NH3)6]3+
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Q. Which of the following compounds contains a p-block element?
A.
NaCl
B.
MgO
C.
AlCl3
D.
Fe2O3
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Solution
AlCl3 contains aluminum, which is a p-block element.
Correct Answer:
C
— AlCl3
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Q. Which of the following compounds contains hydrogen in a +1 oxidation state?
A.
H2O
B.
H2S
C.
NaH
D.
LiH
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Solution
In water (H2O), hydrogen has an oxidation state of +1.
Correct Answer:
A
— H2O
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Q. Which of the following compounds is a strong acid formed from hydrogen?
A.
HCl
B.
H2O
C.
NH3
D.
CH4
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Solution
Hydrochloric acid (HCl) is a strong acid formed from hydrogen.
Correct Answer:
A
— HCl
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Q. Which of the following compounds is a strong field ligand?
A.
H2O
B.
NH3
C.
CN-
D.
Cl-
Show solution
Solution
CN- is a strong field ligand and causes large splitting of d-orbitals.
Correct Answer:
C
— CN-
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Q. Which of the following compounds is a strong oxidizing agent?
A.
H2O2
B.
NaCl
C.
FeCl3
D.
CuSO4
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Solution
Hydrogen peroxide (H2O2) is a strong oxidizing agent.
Correct Answer:
A
— H2O2
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Q. Which of the following compounds is a strong reducing agent?
A.
H2O
B.
H2S
C.
HCl
D.
H2
Show solution
Solution
Hydrogen gas (H2) is a strong reducing agent as it can donate electrons to other substances.
Correct Answer:
D
— H2
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Q. Which of the following compounds is an example of a chelating agent?
A.
EDTA
B.
NaCl
C.
HCl
D.
K2SO4
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Solution
EDTA (ethylenediaminetetraacetic acid) is a well-known chelating agent.
Correct Answer:
A
— EDTA
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Q. Which of the following compounds is formed by a p-block element?
A.
NaCl
B.
MgO
C.
SiO2
D.
Fe2O3
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Solution
SiO2 is formed from Silicon, which is a p-block element.
Correct Answer:
C
— SiO2
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Q. Which of the following compounds is formed by an s-block element?
A.
NaCl
B.
CO2
C.
H2O
D.
NH3
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Solution
NaCl is formed by sodium, which is an s-block element.
Correct Answer:
A
— NaCl
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Q. Which of the following compounds is formed when sodium reacts with water?
A.
Sodium hydroxide
B.
Sodium oxide
C.
Sodium bicarbonate
D.
Sodium chloride
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Solution
Sodium reacts with water to form sodium hydroxide (NaOH) and hydrogen gas.
Correct Answer:
A
— Sodium hydroxide
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Q. Which of the following compounds is used as a catalyst in the Haber process?
A.
Iron(III) oxide
B.
Nickel
C.
Iron
D.
Cobalt
Show solution
Solution
Iron is used as a catalyst in the Haber process for the synthesis of ammonia from nitrogen and hydrogen.
Correct Answer:
C
— Iron
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Q. Which of the following compounds is used as a reducing agent?
A.
KMnO4
B.
H2SO4
C.
NaBH4
D.
HCl
Show solution
Solution
Sodium borohydride (NaBH4) is commonly used as a reducing agent.
Correct Answer:
C
— NaBH4
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Q. Which of the following d-block elements has the highest atomic radius?
A.
Scandium
B.
Titanium
C.
Vanadium
D.
Chromium
Show solution
Solution
Scandium has the highest atomic radius among the given d-block elements.
Correct Answer:
A
— Scandium
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Q. Which of the following d-block elements is a liquid at room temperature?
A.
Mercury (Hg)
B.
Gold (Au)
C.
Platinum (Pt)
D.
Silver (Ag)
Show solution
Solution
Mercury (Hg) is the only metal that is liquid at room temperature.
Correct Answer:
A
— Mercury (Hg)
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Q. Which of the following elements can form a stable +4 oxidation state?
A.
Carbon
B.
Silicon
C.
Germanium
D.
Tin
Show solution
Solution
Tin can form a stable +4 oxidation state.
Correct Answer:
D
— Tin
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Q. Which of the following elements has the highest atomic number?
A.
Gold
B.
Platinum
C.
Uranium
D.
Rutherfordium
Show solution
Solution
Rutherfordium (Rf) has the highest atomic number among the given options.
Correct Answer:
D
— Rutherfordium
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Q. Which of the following elements has the highest electronegativity in the p-block?
A.
Fluorine
B.
Chlorine
C.
Bromine
D.
Iodine
Show solution
Solution
Fluorine has the highest electronegativity among the p-block elements.
Correct Answer:
A
— Fluorine
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Q. Which of the following elements has the highest electronegativity?
A.
Fluorine
B.
Oxygen
C.
Nitrogen
D.
Chlorine
Show solution
Solution
Fluorine is the most electronegative element with an electronegativity value of 4.0 on the Pauling scale.
Correct Answer:
A
— Fluorine
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Q. Which of the following elements has the highest first ionization energy?
A.
Lithium
B.
Beryllium
C.
Boron
D.
Carbon
Show solution
Solution
Carbon has the highest first ionization energy among the given elements.
Correct Answer:
D
— Carbon
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Showing 151 to 180 of 332 (12 Pages)
Inorganic Chemistry MCQ & Objective Questions
Inorganic Chemistry is a vital branch of chemistry that deals with the properties and behavior of inorganic compounds. For students preparing for school exams and competitive tests, mastering this subject is essential. Practicing MCQs and objective questions not only enhances understanding but also boosts confidence, enabling students to score better in their exams. Engaging with practice questions helps in identifying important concepts and solidifying knowledge for effective exam preparation.
What You Will Practise Here
Classification of elements and periodic properties
Coordination compounds and their applications
Acids, bases, and salts: definitions and examples
Oxidation and reduction reactions
Inorganic reaction mechanisms
Important metal complexes and their properties
Key definitions and formulas related to inorganic chemistry
Exam Relevance
Inorganic Chemistry is a significant part of the syllabus for CBSE, State Boards, NEET, and JEE exams. Questions often focus on fundamental concepts, definitions, and applications of inorganic compounds. Students can expect a variety of question patterns, including direct MCQs, assertion-reason type questions, and numerical problems related to inorganic chemistry. Familiarity with these patterns can greatly enhance performance in exams.
Common Mistakes Students Make
Confusing oxidation states and their calculations
Misunderstanding the properties of coordination compounds
Overlooking the significance of periodic trends
Neglecting to memorize key definitions and formulas
Failing to apply theoretical concepts to practical problems
FAQs
Question: What are some important Inorganic Chemistry MCQ questions I should focus on?Answer: Focus on periodic trends, coordination chemistry, and the properties of common inorganic compounds.
Question: How can I improve my understanding of Inorganic Chemistry for exams?Answer: Regular practice of objective questions and reviewing key concepts will help solidify your understanding.
Question: Are there any specific areas in Inorganic Chemistry that are frequently tested?Answer: Yes, topics like oxidation-reduction reactions and coordination compounds are commonly featured in exams.
Start solving practice MCQs today to test your understanding and enhance your preparation for exams. Remember, consistent practice is the key to mastering Inorganic Chemistry!
