Major Competitive Exams

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Major Competitive Exams

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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!

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Q. Which of the following compounds is a strong electrolyte?

A. Glucose
B. Acetic acid
C. Sodium chloride
D. Urea

Solution

Sodium chloride dissociates completely in solution, making it a strong electrolyte.

Correct Answer: C — Sodium chloride

Q. Which of the following compounds is a strong field ligand?

A. H2O
B. NH3
C. CN-
D. Cl-

Solution

CN- is a strong field ligand and causes large splitting of d-orbitals.

Correct Answer: C — CN-

Q. Which of the following compounds is a strong oxidizing agent?

A. H2O2
B. NaCl
C. FeCl3
D. CuSO4

Solution

Hydrogen peroxide (H2O2) is a strong oxidizing agent.

Correct Answer: A — H2O2

Q. Which of the following compounds is a strong reducing agent?

A. H2O
B. H2S
C. HCl
D. H2

Solution

Hydrogen gas (H2) is a strong reducing agent as it can donate electrons to other substances.

Correct Answer: D — H2

Q. Which of the following compounds is a tertiary amine? (2022)

A. Methylamine
B. Ethylamine
C. Trimethylamine
D. Aniline

Solution

Trimethylamine is a tertiary amine as it has three alkyl groups attached to the nitrogen atom.

Correct Answer: C — Trimethylamine

Q. Which of the following compounds is a typical example of a complex ion? (2022)

A. NaCl
B. CuSO4
C. Ag(NH3)2+
D. Fe2O3

Solution

Ag(NH3)2+ is a complex ion formed by silver and ammonia.

Correct Answer: C — Ag(NH3)2+

Q. Which of the following compounds is a typical example of a transition metal complex? (2022)

A. NaCl
B. CuSO4
C. Fe(CN)6^4-
D. MgO

Solution

Fe(CN)6^4- is a typical example of a transition metal complex.

Correct Answer: C — Fe(CN)6^4-

Q. Which of the following compounds is a weak acid?

A. Hydrochloric acid
B. Nitric acid
C. Acetic acid
D. Sulfuric acid

Solution

Acetic acid (CH3COOH) is a weak acid that does not completely dissociate in solution.

Correct Answer: C — Acetic acid

Q. Which of the following compounds is an alcohol?

A. C2H5OH
B. C2H4
C. C2H6
D. C2H2

Solution

C2H5OH is ethanol, which is an alcohol.

Correct Answer: A — C2H5OH

Q. Which of the following compounds is an aldehyde?

A. C2H5OH
B. CH3CHO
C. C3H6O
D. C6H12O6

Solution

The compound CH3CHO is an aldehyde, characterized by the presence of the -CHO functional group.

Correct Answer: B — CH3CHO

Q. Which of the following compounds is an alkali metal? (2023)

A. Calcium
B. Sodium
C. Magnesium
D. Aluminum

Solution

Sodium is an alkali metal, found in Group 1 of the periodic table, characterized by its high reactivity.

Correct Answer: B — Sodium

Q. Which of the following compounds is an alkene?

A. C2H6
B. C3H8
C. C4H8
D. C5H12

Solution

C4H8 is an alkene as it contains a carbon-carbon double bond.

Correct Answer: C — C4H8

Q. Which of the following compounds is an alkyne?

A. C2H4
B. C3H6
C. C4H8
D. C5H8

Solution

C5H8 is an alkyne, as it follows the general formula C_nH_(2n-2).

Correct Answer: D — C5H8

Q. Which of the following compounds is an amphoteric oxide? (2022)

A. Na2O
B. MgO
C. Al2O3
D. SiO2

Solution

Aluminum oxide (Al2O3) is an amphoteric oxide, meaning it can react with both acids and bases.

Correct Answer: C — Al2O3

Q. Which of the following compounds is an aromatic alkyne?

A. Phenylacetylene
B. Propyne
C. Ethyne
D. 1-butyne

Solution

Phenylacetylene is an aromatic alkyne as it contains a phenyl group attached to a triple bond.

Correct Answer: A — Phenylacetylene

Q. Which of the following compounds is an aromatic amine? (2019)

A. Ethylamine
B. Aniline
C. Cyclohexylamine
D. Propylamine

Solution

Aniline is an aromatic amine as it contains a benzene ring attached to the amine group.

Correct Answer: B — Aniline

Q. Which of the following compounds is an aromatic compound?

A. Cyclohexane
B. Benzene
C. Cyclopentene
D. Hexene

Solution

Benzene is an aromatic compound due to its cyclic structure and delocalized pi electrons.

Correct Answer: B — Benzene

Q. Which of the following compounds is an aromatic hydrocarbon?

A. Cyclohexane
B. Benzene
C. Cyclopropane
D. Hexene

Solution

Benzene is a cyclic compound with delocalized pi electrons, making it aromatic.

Correct Answer: B — Benzene

Q. Which of the following compounds is an aryl halide? (2019)

A. Chloroethane
B. Bromobenzene
C. Iodobutane
D. Chloropropane

Solution

Bromobenzene is an aryl halide as it contains a halogen atom bonded to an aromatic ring.

Correct Answer: B — Bromobenzene

Q. Which of the following compounds is an example of a base? (2019)

A. HCl
B. NaOH
C. H2SO4
D. NH4Cl

Solution

Sodium hydroxide (NaOH) is a strong base.

Correct Answer: B — NaOH

Q. Which of the following compounds is an example of a chelating agent?

A. EDTA
B. NaCl
C. HCl
D. K2SO4

Solution

EDTA (ethylenediaminetetraacetic acid) is a well-known chelating agent.

Correct Answer: A — EDTA

Q. Which of the following compounds is an example of a coordination complex? (2022)

A. NaCl
B. CuSO4
C. [Cu(NH3)4]SO4
D. Fe2O3

Solution

[Cu(NH3)4]SO4 is a coordination complex where copper is coordinated to ammonia ligands.

Correct Answer: C — [Cu(NH3)4]SO4

Q. Which of the following compounds is an example of a covalent compound formed by a p-block element? (2022)

A. NaCl
B. MgO
C. SiCl4
D. CaF2

Solution

SiCl4 is a covalent compound formed by silicon, a p-block element.

Correct Answer: C — SiCl4

Q. Which of the following compounds is an example of a covalent compound? (2019)

A. NaCl
B. MgO
C. SiO2
D. CaF2

Solution

SiO2 (silicon dioxide) is a covalent compound formed by the sharing of electrons between silicon and oxygen.

Correct Answer: C — SiO2

Q. Which of the following compounds is an example of a cyclic alkene?

A. Cyclopropene
B. Butene
C. Hexene
D. Octene

Solution

Cyclopropene is an example of a cyclic alkene.

Correct Answer: A — Cyclopropene

Q. Which of the following compounds is an example of a haloarene? (2019)

A. Chloroethane
B. Bromobenzene
C. Iodobutane
D. Chloropropane

Solution

Bromobenzene is a haloarene as it contains a halogen atom directly attached to an aromatic ring.

Correct Answer: B — Bromobenzene

Q. Which of the following compounds is an example of a ketone?

A. Propanal
B. Butan-2-one
C. Benzaldehyde
D. Acetic acid

Solution

Butan-2-one is a ketone as it has the carbonyl group (C=O) located between two carbon atoms.

Correct Answer: B — Butan-2-one

Q. Which of the following compounds is an example of a Lewis acid?

A. NH3
B. H2O
C. BF3
D. CH4

Solution

BF3 is a Lewis acid because it can accept an electron pair due to its incomplete octet.

Correct Answer: C — BF3

Q. Which of the following compounds is an example of a p-block element compound? (2020)

A. NaCl
B. MgO
C. AlCl3
D. CaF2

Solution

AlCl3 is a compound formed from a p-block element (Aluminum) and is a classic example of p-block chemistry.

Correct Answer: C — AlCl3

Q. Which of the following compounds is an example of a polar covalent bond?

A. Cl2
B. HCl
C. NaCl
D. CH4

Solution

HCl has a polar covalent bond due to the difference in electronegativity between hydrogen and chlorine.

Correct Answer: B — HCl

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