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प्रश्न
Reaction between hot conc. HI and anisole gives ______________
विकल्प
phenol and methyl iodide
iodobenzene and methyl alcohol
iodobenzene and methyl iodide
phenol and methyl alcohol
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उत्तर
Reaction between hot conc. HI and anisole gives phenol and methyl iodide
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संबंधित प्रश्न
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
Write two points of difference between the properties of phenol and ethyl alcohol.
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).
Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
How will you bring about the following conversions?
2-methyl propan-2-ol to 2-methylpropene
Which alcohol is difficult to oxidise?
The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
The product 'C' in the following reaction is:
\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
Which of the following alcohols has tertiary allylic carbon?
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which isomer of C4H10O is optically active?
Which of the following alcohols is least soluble in water?
Which among the following is allylic secondary alcohol?
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Identify the alcohol that reacts immediately with Lucas reagent?
Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?
Product (B) in this reaction is:
Which of the following compounds has lowest boiling point?
What is the product obtained in Reimer - Tiemann reaction?
Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.
Arrange the following compounds in an increasing order of their solubility in water:
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.
What is the commercial method of preparation of phenol?
Which of the following is trihydric phenol?
