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Indian Navy 10+2 B.Tech Cadet Alcohols, Phenols and Ethers — practice questions

Explore 34 free Alcohols, Phenols and Ethers questions in Indian Navy 10+2 B.Tech Cadet Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Alcohols, Phenols and Ethers questions and exercises with answers

Showing questions 1–30 of 34.

As per your syllabus, (ii), the Wurtz reaction uses which reagent + solvent for coupling alkyl halides?Read the answer and worked solution →As per your syllabus, the rate of HALOGENATION of alkanes (F₂, Cl₂, Br₂, I₂) decreases in which order?Read the answer and worked solution →As per your syllabus, the rate-determining intermediate in HBr + propene addition is which species?Read the answer and worked solution →As per your syllabus, addition of water to ethyne in dilute H₂SO₄ with HgSO₄ catalyst gives which final product?Read the answer and worked solution →As per your syllabus, halogenation, the role of anhydrous AlCl₃ (or FeCl₃) in benzene chlorination is which?Read the answer and worked solution →As per your syllabus, which of the following groups is a META-directing substituent on benzene?Read the answer and worked solution →As per your syllabus, halogens (-Cl, -Br) on benzene are which kind of directors despite their deactivating -I effect?Read the answer and worked solution →The Williamson ether synthesis works best with:Read the answer and worked solution →Match each scientist to their contributionRead the answer and worked solution →Ionic or covalent?Read the answer and worked solution →Complete the driver of bond formationRead the answer and worked solution →Single, double and triple bondsRead the answer and worked solution →True or false: Lewis structuresRead the answer and worked solution →Complete the definition of resonanceRead the answer and worked solution →Tap every bond parameter the chapter namesRead the answer and worked solution →True or false: ionic solidsRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Bonded pair or lone pair?Read the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Order the reasoning: why resonance is neededRead the answer and worked solution →Reading the definitions backRead the answer and worked solution →True or false: what bond parameters affectRead the answer and worked solution →Bond parameters in useRead the answer and worked solution →Which parameter answers this?Read the answer and worked solution →True or false: resonanceRead the answer and worked solution →Order the steps: draw a Lewis structureRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →

Worked practice questions

As per your syllabus, (ii), the Wurtz reaction uses which reagent + solvent for coupling alkyl halides?

  1. NaOH and CaO
  2. Zinc in dilute HCl
  3. Pt or Pd catalyst
  4. Sodium in dry ether
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Correct answer: D. Sodium in dry ether

Your syllabus: Wurtz: 2 R-X + 2 Na → R-R + 2 NaX in dry ether. Used to make higher alkanes with even carbon count.

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As per your syllabus, the rate of HALOGENATION of alkanes (F₂, Cl₂, Br₂, I₂) decreases in which order?

  1. F₂ > Cl₂ > Br₂ > I₂
  2. I₂ > Br₂ > Cl₂ > F₂
  3. Br₂ > Cl₂ > F₂ > I₂
  4. Cl₂ > F₂ > Br₂ > I₂
Show answer and solution

Correct answer: A. F₂ > Cl₂ > Br₂ > I₂

syllabus substitution: F₂ > Cl₂ > Br₂ > I₂ (fluorination is too violent, iodination reversible).

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As per your syllabus, the rate-determining intermediate in HBr + propene addition is which species?

  1. Carbene
  2. Carbanion
  3. Free radical
  4. Carbocation
Show answer and solution

Correct answer: D. Carbocation

Your syllabus: H⁺ adds first, generating a carbocation (2° more stable than 1°), then Br⁻ attacks. Polar / ionic mechanism.

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More Chemistry topics

Alcohols Phenols EthersOrganic ChemistryAlkenesPolymersChemical EquilibriumAtoms and MoleculesStates of MatterClassification of Elements