1.
CH₃CH=CH₂ + BH₃·THF → H₂O₂/NaOH → Z. What is Z?
2.
Structure of intermediate A in cumene process for phenol?
3.
Which reaction does not give benzoic acid as major product?
4.
Slowest hydrolysis among the following?
5.
Vapors of a secondary alcohol over hot Cu (573K) gives?
6.
Compound A + Na → B, A + PCl₅ → C, B + C → Diethyl ether. A, B, C are?
7.
Compound A (C₈H₁₀O) reacts with NaOI to give yellow ppt with characteristic smell. A and Y are respectively. [NEET 2018]
8.
Which is the most acidic compound?
9.
Reagent to distinguish cis-cyclopentane-1,2-diol from trans-isomer?
10.
Functional group introduced in phenol + CHCl₃ + NaOH (Reimer–Tiemann)?
11.
Reactions used to prepare alkyl halides?
12.
Which compound is NOT soluble in NaHCO₃?
13.
End product in: CH₃Br → KCN → hydrolysis → LiAlH₄?
14.
Major product in acid-catalyzed hydration of 3-methyl-1-butene?
15.
Which one is a nucleophilic substitution reaction?
16.
Dehydration of alcohol gives alkene A. On HBr (dark), product C is:
17.
Order of decreasing acidic character: Cyclohexanol (I), Acetic acid (II), 2,4,6-Trinitrophenol (III), Phenol (IV)
18.
Which of the following reactions will not form a carbon-carbon bond?
19.
Ethanol ⟶ PBr₃ ⟶ Alc. KOH ⟶ X ⟶ (i) H₂SO₄, RT ⟶ (ii) H₂O, heat ⟶ Z. Product Z is?
20.
HCOH–CHOH (ethylene glycol) on heating with periodic acid gives:
21.
Phenol → (CHCl₃ + NaOH) → X → (Anhy. AlCl₃) → Y → (Zn dust) → Z. Product Z is?
22.
Ethylene oxide when treated with Grignard reagent yields:
23.
General molecular formula of homologous series of alkanols is:
24.
Enzyme that hydrolyses triglycerides into fatty acids and glycerol is:
25.
Which of the following will not form a yellow precipitate (iodoform test)?
26.
The —OH group of alcohol or —COOH of acid can be replaced by —Cl using:
27.
Phenol treated with CHCl₃ and NaOH gives:
28.
Reagent to distinguish n-propyl alcohol and iso-propyl alcohol:
29.
Most effective factor in dehydration of alcohol using Al₂O₃:
30.
Which of the following is correct?
31.
Which one is correct?
32.
Correct order of acidity:
33.
Ionisation constant of phenol > ethanol because:
34.
Propan-1-ol from propene by:
35.
Ethylene oxide + RMgX gives:
36.
Boiling point of p-nitrophenol > o-nitrophenol because:
37.
Catalytic dehydrogenation of primary alcohol gives:
38.
Which one of the following on oxidation gives a ketone?
39.
Increasing order of acidity among p-methoxyphenol (I), p-methylphenol (II), p-nitrophenol (III)
40.
Phenol + excess bromine water gives:
41.
Industrial prep of methanol:
42.
How many isomers of C₅H₁₁OH are primary alcohols?
43.
Propene → 1-propanol. Best reagent set?
44.
Alcohol reacting fastest with Lucas reagent:
45.
Which one of the following compounds is most acidic?
