Major Competitive Exams MCQ & Objective Questions
Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.
What You Will Practise Here
Key concepts and theories related to major subjects
Important formulas and their applications
Definitions of critical terms and terminologies
Diagrams and illustrations to enhance understanding
Practice questions that mirror actual exam patterns
Strategies for solving objective questions efficiently
Time management techniques for competitive exams
Exam Relevance
The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.
Common Mistakes Students Make
Rushing through questions without reading them carefully
Overlooking the negative marking scheme in MCQs
Confusing similar concepts or terms
Neglecting to review previous years’ question papers
Failing to manage time effectively during the exam
FAQs
Question: How can I improve my performance in Major Competitive Exams?Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.
Question: What types of questions should I focus on for these exams?Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.
Question: Are there specific strategies for tackling objective questions?Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.
Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!
Q. Which of the following elements has the electron configuration [Ne]3s²3p⁵? (2023)
A.
Fluorine
B.
Chlorine
C.
Bromine
D.
Iodine
Show solution
Solution
The electron configuration [Ne]3s²3p⁵ corresponds to Chlorine, which has 17 electrons.
Correct Answer:
B
— Chlorine
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Q. Which of the following elements has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?
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Solution
Calcium (Ca) has an atomic number of 20, and its electronic configuration is 1s2 2s2 2p6 3s2 3p6 4s2.
Correct Answer:
A
— Ca
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Q. Which of the following elements has the electronic configuration ending in 4p5?
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Solution
Bromine (Br) has the electronic configuration ending in 4p5, corresponding to atomic number 35.
Correct Answer:
A
— Br
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Q. Which of the following elements has the electronic configuration [Kr] 5s2 4d10 5p5?
A.
Iodine
B.
Bromine
C.
Astatine
D.
Tellurium
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Solution
The element with the configuration [Kr] 5s2 4d10 5p5 is Astatine (At), which has atomic number 85.
Correct Answer:
C
— Astatine
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Q. Which of the following elements has the electronic configuration [Kr] 5s2?
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Solution
Strontium (Sr) has 38 electrons, and its electronic configuration is [Kr] 5s2.
Correct Answer:
A
— Sr
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Q. Which of the following elements has the electronic configuration [Ne] 3s2 3p1?
A.
Aluminum
B.
Silicon
C.
Phosphorus
D.
Magnesium
Show solution
Solution
The electronic configuration [Ne] 3s2 3p1 corresponds to Aluminum.
Correct Answer:
A
— Aluminum
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Q. Which of the following elements has the electronic configuration [Ne] 3s2?
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Solution
Magnesium (Mg) has 12 electrons, and its electronic configuration is [Ne] 3s2.
Correct Answer:
A
— Mg
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Q. Which of the following elements has the electronic configuration [Ne]3s²3p⁵?
A.
Chlorine
B.
Bromine
C.
Fluorine
D.
Iodine
Show solution
Solution
The electronic configuration [Ne]3s²3p⁵ corresponds to Bromine.
Correct Answer:
B
— Bromine
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Q. Which of the following elements has the electronic configuration [Ne]3s²? (2016)
A.
Sodium
B.
Magnesium
C.
Aluminum
D.
Silicon
Show solution
Solution
Magnesium has the electronic configuration [Ne]3s².
Correct Answer:
B
— Magnesium
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Q. Which of the following elements has the electronic configuration [Xe] 6s2 4f14 5d10?
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Solution
Mercury (Hg) has an atomic number of 80, and its electronic configuration is [Xe] 6s2 4f14 5d10.
Correct Answer:
B
— Hg
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Q. Which of the following elements has the electronic configuration [Xe] 6s2?
A.
Radon
B.
Barium
C.
Lead
D.
Polonium
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Solution
The element with the configuration [Xe] 6s2 is Barium.
Correct Answer:
B
— Barium
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Q. Which of the following elements has the highest atomic number?
A.
Gold
B.
Platinum
C.
Uranium
D.
Rutherfordium
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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 based on its electronic configuration?
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Solution
Chlorine (Cl) has the highest electronegativity and its configuration is 1s2 2s2 2p6 3s2 3p5.
Correct Answer:
B
— Cl
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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
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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 energy level in its electronic configuration?
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Solution
Potassium (K) has the highest energy level with the configuration [Ar] 4s1.
Correct Answer:
B
— K
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Q. Which of the following elements has the highest first ionization energy?
A.
Lithium
B.
Beryllium
C.
Boron
D.
Carbon
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Solution
Carbon has the highest first ionization energy among the given elements.
Correct Answer:
D
— Carbon
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Q. Which of the following elements has the highest ionization energy in the alkali metal group? (2023)
A.
Lithium
B.
Sodium
C.
Potassium
D.
Rubidium
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Solution
Lithium (Li) has the highest ionization energy among the alkali metals due to its smaller atomic size.
Correct Answer:
A
— Lithium
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Q. Which of the following elements has the highest ionization energy?
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Solution
Lithium (Li) has the highest ionization energy among the given alkali metals due to its smaller atomic size.
Correct Answer:
A
— Li
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Q. Which of the following elements has the highest melting point among the alkali metals? (2023)
A.
Lithium
B.
Sodium
C.
Potassium
D.
Rubidium
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Solution
Lithium (Li) has the highest melting point among the alkali metals due to its smaller size and stronger metallic bonding.
Correct Answer:
A
— Lithium
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Q. Which of the following elements has the highest melting point among the d-block elements?
A.
Iron
B.
Tungsten
C.
Copper
D.
Nickel
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Solution
Tungsten has the highest melting point among the d-block elements due to its strong metallic bonding.
Correct Answer:
B
— Tungsten
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Q. Which of the following elements has the highest melting point?
A.
Zirconium
B.
Tungsten
C.
Ruthenium
D.
Osmium
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Solution
Osmium has the highest melting point among the given options due to its strong metallic bonding.
Correct Answer:
D
— Osmium
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Q. Which of the following elements has the largest first ionization energy?
A.
Lithium
B.
Beryllium
C.
Boron
D.
Carbon
Show solution
Solution
Carbon has a larger first ionization energy compared to the other elements listed.
Correct Answer:
D
— Carbon
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Q. Which of the following elements has the largest ionic radius?
A.
Na+
B.
Mg2+
C.
Al3+
D.
K+
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Solution
K+ has the largest ionic radius among the given options.
Correct Answer:
D
— K+
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Q. Which of the following elements has the smallest atomic radius?
A.
Sodium
B.
Chlorine
C.
Argon
D.
Fluorine
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Solution
Fluorine has the smallest atomic radius among the given elements.
Correct Answer:
D
— Fluorine
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Q. Which of the following elements is a d-block element?
A.
Sodium
B.
Iron
C.
Calcium
D.
Boron
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Solution
Iron (Fe) is a d-block element as it has partially filled d-orbitals.
Correct Answer:
B
— Iron
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Q. Which of the following elements is a f-block element?
A.
Uranium
B.
Titanium
C.
Zinc
D.
Copper
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Solution
Uranium is an f-block element as it is part of the actinides series.
Correct Answer:
A
— Uranium
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Q. Which of the following elements is a halogen?
A.
Oxygen
B.
Nitrogen
C.
Fluorine
D.
Neon
Show solution
Solution
Fluorine is a halogen, found in Group 17 of the periodic table.
Correct Answer:
C
— Fluorine
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Q. Which of the following elements is a halogen? (2017) 2017
A.
Bromine
B.
Barium
C.
Bismuth
D.
Boron
Show solution
Solution
Bromine is a halogen, located in group 17 of the periodic table.
Correct Answer:
A
— Bromine
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Q. Which of the following elements is a member of the actinide series?
A.
Radium
B.
Plutonium
C.
Barium
D.
Thorium
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Solution
Plutonium is a member of the actinide series, which includes elements with atomic numbers 89 to 103.
Correct Answer:
B
— Plutonium
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