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NEET UG Haloalkanes, Alcohols and Ethers — practice questions

Explore 61 free Haloalkanes, Alcohols and Ethers questions in NEET UG Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Haloalkanes, Alcohols and Ethers questions and exercises with answers

Showing questions 1–30 of 61.

Solutions are homogeneous mixtures of two or more components. In a binary solution, the component present in the largest quantity is termed the:Read the answer and worked solution →An amalgam of mercury with sodium is an example of which type of solution?Read the answer and worked solution →Which of the following concentration units is *temperature-dependent*?Read the answer and worked solution →The sum of mole fractions of all components in a solution equals:Read the answer and worked solution →Molality (m) is defined as:Read the answer and worked solution →Calculate the molality of a solution prepared by dissolving 2.5 g of ethanoic acid (CH₃COOH, M = 60 g mol⁻¹) in 75 g of benzene.Read the answer and worked solution →The molarity of a solution containing 5 g of NaOH (M = 40 g mol⁻¹) in 450 mL of solution is:Read the answer and worked solution →The mole fraction of ethylene glycol (C₂H₆O₂, M = 62) in a 20% by mass aqueous solution is approximately:Read the answer and worked solution →Phenol is more acidic than ethanol because:Read the answer and worked solution →The Williamson ether synthesis works best with:Read the answer and worked solution →An ALCOHOL in which the $\mathrm{-OH}$ group is attached to a carbon bonded to ONE other alkyl group is classified asRead the answer and worked solution →The IUPAC name of $\mathrm{(CH_3)_2CHOH}$ isRead the answer and worked solution →The reaction of ethanol with sodium metal producesRead the answer and worked solution →The acidity (Brønsted acidity) order of the following isRead the answer and worked solution →Ethanol heated with concentrated $\mathrm{H_2SO_4}$ at $443\,\text{K}$ (170°C) gives mainlyRead the answer and worked solution →The WILLIAMSON ETHER SYNTHESIS prepares ethers by reactingRead the answer and worked solution →The REIMER-TIEMANN reaction converts phenol to salicylaldehyde. The reagents areRead the answer and worked solution →Phenol reacts with bromine WATER (aqueous $\mathrm{Br_2}$) at room temperature to giveRead the answer and worked solution →Ethanol reacts with $\mathrm{PCl_5}$ to give which set of products?Read the answer and worked solution →The KOLBE reaction converts phenol (in the form of sodium phenoxide) into salicylic acid. The conditions and key reagent areRead the answer and worked solution →Haloalkanes are compounds derived from alkanes byRead the answer and worked solution →$\mathrm{(CH_3)_3CCl}$ is classified as aRead the answer and worked solution →The reactivity order for the $\mathrm{S_N 1}$ mechanism among haloalkanes isRead the answer and worked solution →The WURTZ REACTION couples two alkyl halides with sodium metal in dry ether to giveRead the answer and worked solution →The reactivity of haloalkanes toward nucleophilic substitution generally follows the orderRead the answer and worked solution →A SN2 reaction on a chiral carbon (with a single stereocentre) results inRead the answer and worked solution →The IUPAC name of $\mathrm{(CH_3)_2CH{-}CH_2Br}$ isRead the answer and worked solution →A GRIGNARD REAGENT is formed by reacting an alkyl halide withRead the answer and worked solution →NEET · Chemistry · Primary or Secondary AlcoholRead the answer and worked solution →NEET · Chemistry · SN1 or SN2Read the answer and worked solution →

Worked practice questions

Solutions are homogeneous mixtures of two or more components. In a binary solution, the component present in the largest quantity is termed the:

  1. Solvent
  2. Solute
  3. Solute particle
  4. Suspension
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Correct answer: A. Solvent

By convention, the component present in **largest quantity** is the **solvent** — it also determines the physical state of the solution. The other component(s) are solutes.

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An amalgam of mercury with sodium is an example of which type of solution?

  1. Solid solute in solid solvent
  2. Gas in liquid
  3. Liquid solute in solid solvent
  4. Liquid solute in liquid solvent
Show answer and solution

Correct answer: C. Liquid solute in solid solvent

Mercury (liquid) dissolved in sodium (solid) is a **liquid-in-solid solution** — an amalgam. **Compare:** gold + copper = solid-in-solid H₂ in palladium = gas-in-solid.

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Which of the following concentration units is *temperature-dependent*?

  1. Molality
  2. Mass percentage
  3. Molarity
  4. Mole fraction
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Correct answer: C. Molarity

**Molarity** uses *volume*, which changes with temperature. Mass %, ppm, **mole fraction** and **molality** are all mass-based → temperature-independent.

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More Chemistry topics

Amines and BiomoleculesChemical KineticsAldehydes, Ketones and Carboxylic AcidsEquilibriumRedox ReactionsHydrocarbonsChemical Bonding and Molecular StructureSolutions