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Chemistry (NEET)

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Q. What is the product of the reaction between ammonia and an alkyl halide? (2023)
  • A. Amine
  • B. Alcohol
  • C. Ether
  • D. Aldehyde
Q. What is the product of the reduction of Cr2O7²⁻ in acidic medium? (2019)
  • A. CrO4²⁻
  • B. Cr³⁺
  • C. Cr²O3
  • D. CrO2
Q. What is the product of the reduction of permanganate ion (MnO4-) in acidic medium? (2019)
  • A. MnO2
  • B. Mn2O3
  • C. Mn2+
  • D. MnO4
Q. What is the relationship between the equilibrium constant (K) and the Gibbs free energy change (ΔG) at standard conditions? (2022)
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = KRT
  • D. ΔG = K/R
Q. What is the relationship between the rate of a reaction and the concentration of reactants according to the rate law? (2019)
  • A. Directly proportional
  • B. Inversely proportional
  • C. Exponential
  • D. No relationship
Q. What is the relationship between the vapor pressure of a solution and the mole fraction of the solvent? (2023)
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the repeating unit of polystyrene? (2021)
  • A. -CH2-CH2-
  • B. -CH=CH2-
  • C. -C6H5-
  • D. -C3H6-
Q. What is the role of an oxidizing agent in a redox reaction? (2020)
  • A. It gains electrons
  • B. It loses electrons
  • C. It remains unchanged
  • D. It increases the temperature
Q. What is the role of dietary fiber in human health? (2021)
  • A. Increase cholesterol
  • B. Aid digestion
  • C. Provide energy
  • D. Enhance taste
Q. What is the role of enzymes in the human body? (2021)
  • A. Store energy
  • B. Speed up chemical reactions
  • C. Transport oxygen
  • D. Regulate temperature
Q. What is the role of MnO4⁻ in acidic medium during redox reactions? (2020)
  • A. Oxidizing agent
  • B. Reducing agent
  • C. Neutral agent
  • D. Catalyst
Q. What is the role of nitrogen oxides in the environment? (2021)
  • A. Ozone formation
  • B. Greenhouse effect
  • C. Acid rain
  • D. All of the above
Q. What is the role of phytoplankton in the carbon cycle? (2020)
  • A. Carbon storage
  • B. Carbon release
  • C. Carbon transformation
  • D. Carbon transportation
Q. What is the role of phytoplankton in the environment? (2019)
  • A. Carbon dioxide production
  • B. Oxygen production
  • C. Soil erosion
  • D. Water pollution
Q. What is the role of preservatives in food? (2020)
  • A. Enhance flavor
  • B. Increase shelf life
  • C. Add color
  • D. Improve texture
Q. What is the significance of the Langmuir isotherm in surface chemistry? (2023)
  • A. It describes multilayer adsorption.
  • B. It assumes a fixed number of adsorption sites.
  • C. It is applicable only to physisorption.
  • D. It does not consider temperature effects.
Q. What is the standard enthalpy change (ΔH°) for the formation of water from its elements? (2022)
  • A. -285.83 kJ/mol
  • B. 0 kJ/mol
  • C. 285.83 kJ/mol
  • D. -241.82 kJ/mol
Q. What is the standard enthalpy change (ΔH°) for the reaction: C(s) + O2(g) → CO2(g)? (2022)
  • A. It is always positive.
  • B. It is always negative.
  • C. It can be zero.
  • D. It depends on the temperature.
Q. What is the standard reduction potential of a half-reaction? (2022)
  • A. The tendency to gain electrons
  • B. The tendency to lose electrons
  • C. The energy released during oxidation
  • D. The energy absorbed during reduction
Q. What is the standard reduction potential of the half-reaction Cu2+ + 2e- → Cu? (2022)
  • A. +0.34 V
  • B. +0.76 V
  • C. -0.34 V
  • D. -0.76 V
Q. What is the standard reduction potential of the half-reaction Fe^3+ + 3e- → Fe? (2022)
  • A. +0.77 V
  • B. +0.44 V
  • C. -0.77 V
  • D. -0.44 V
Q. What is the standard temperature and pressure (STP) in Kelvin and atm? (2020)
  • A. 0 K and 1 atm
  • B. 273 K and 1 atm
  • C. 100 K and 1 atm
  • D. 273 K and 0 atm
Q. What is the term for the change of state from solid directly to gas? (2020)
  • A. Sublimation
  • B. Deposition
  • C. Evaporation
  • D. Condensation
Q. What is the term for the change of state from solid to gas without passing through the liquid state? (2020)
  • A. Sublimation
  • B. Deposition
  • C. Evaporation
  • D. Condensation
Q. What is the term for the maximum amount of adsorbate that can be adsorbed on a given mass of adsorbent? (2020)
  • A. Adsorption capacity
  • B. Saturation point
  • C. Equilibrium concentration
  • D. Adsorption isotherm
Q. What is the term for the maximum amount of adsorbate that can be adsorbed on a unit mass of adsorbent? (2020)
  • A. Adsorption capacity
  • B. Adsorption isotherm
  • C. Saturation point
  • D. Adsorption efficiency
Q. What is the term for the maximum amount of solute that can be adsorbed on a given mass of adsorbent? (2023)
  • A. Adsorption capacity
  • B. Saturation point
  • C. Equilibrium concentration
  • D. Adsorption isotherm
Q. What is the term used for the process of removing adsorbed molecules from a surface? (2020)
  • A. Desorption
  • B. Absorption
  • C. Sorption
  • D. Adsorption
Q. What is the trend in atomic radius as you move down the alkali metal group? (2022)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Increases then decreases
Q. What is the trend in reactivity of alkali metals down the group? (2022)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Varies irregularly
Showing 271 to 300 of 626 (21 Pages)

Chemistry (NEET) MCQ & Objective Questions

Chemistry is a crucial subject for students preparing for NEET and other competitive exams in India. Mastering Chemistry (NEET) is essential not only for scoring well but also for building a strong foundation in scientific concepts. Practicing MCQs and objective questions can significantly enhance your exam preparation, allowing you to tackle important questions with confidence.

What You Will Practise Here

  • Fundamental concepts of Physical Chemistry
  • Organic Chemistry reactions and mechanisms
  • Inorganic Chemistry periodic table trends
  • Stoichiometry and chemical calculations
  • Equilibrium and thermodynamics principles
  • Important definitions and key formulas
  • Diagrams related to chemical structures and reactions

Exam Relevance

Chemistry is a significant part of the syllabus for CBSE, State Boards, NEET, and JEE. In these exams, questions often focus on conceptual understanding and application of theories. You can expect a mix of direct questions, application-based problems, and conceptual MCQs that test your knowledge of key topics. Familiarity with common question patterns will help you navigate the exam more effectively.

Common Mistakes Students Make

  • Overlooking the importance of units in calculations
  • Confusing similar concepts in Organic Chemistry
  • Neglecting to balance chemical equations correctly
  • Misinterpreting questions that involve multiple steps
  • Failing to memorize essential definitions and formulas

FAQs

Question: What are the best ways to prepare for Chemistry (NEET) MCQs?
Answer: Regular practice of MCQs, understanding core concepts, and revising key formulas are effective strategies.

Question: How can I improve my speed in solving Chemistry (NEET) objective questions?
Answer: Time yourself while practicing and focus on familiarizing yourself with common question types.

Start solving practice MCQs today to test your understanding and boost your confidence in Chemistry (NEET). Remember, consistent practice is the key to success!

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