GUJCET Alcohols Phenols Ethers — practice questions
32 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice GUJCET Alcohols Phenols Ethers in the app →The modern periodic law states that the physical and chemical properties of elements are periodic functions ofElements of the modern periodic table are classified into how many blocks based on the differentiating electroAcross a period from left to right, the atomic radius generally:Which element has the highest first ionization energy in period 2?Which of the following arrangements is in correct order of increasing electronegativity (Pauling scale)?The element with electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^3$ belongs to which group Alcohols are classified as primary (1°), secondary (2°), or tertiary (3°) based on:Glycerol (propane-1,2,3-triol) is classified as:Which compound is the IUPAC name 2-methylbutan-2-ol assigned to?Reduction of a ketone (R₂C=O) with NaBH₄ or LiAlH₄ produces:A Grignard reagent R-MgX reacts with **methanal (HCHO)** to produce, after hydrolysis:A Grignard reagent R'MgX reacts with a **ketone (R₂C=O)** to produce, after hydrolysis:Phenol is industrially manufactured (worldwide majority) from:Ethanol (CH₃CH₂OH, MW 46) has bp 351 K, whereas methoxymethane (CH₃-O-CH₃, MW 46) has bp 248 K. The huge diffeAmong isomeric alcohols (e.g., butan-1-ol, butan-2-ol, 2-methylpropan-2-ol), boiling point order is:Lower alcohols (methanol, ethanol) are completely miscible with water because:Phenol reacts with **NaOH** but ethanol does NOT (with dilute aqueous NaOH). This is because:The dehydration of ethanol with concentrated H₂SO₄ at 443 K gives:The Williamson ether synthesis involves:Phenol gives the iodoform test (yellow precipitate) when treated with I₂/NaOH:According to VSEPR theory, the shape of a molecule is determined byThe hybridisation of carbon in methane (CH₄) isWhich molecule is non-polar despite having polar bonds?The bond order of the oxygen molecule O₂ (by molecular orbital theory) isA coordinate (dative) bond differs from a normal covalent bond in thatWhich species has sp hybridisation on the central atom?As bond order increases, bond lengthAn ionic bond forms byThe shape of NH₃ is pyramidal rather than planar becauseWhich has the highest dipole moment?Among the following, which is paramagnetic?Formal charge on an atom =