Ethylene oxide when treated with Grignard reagent yields :
secondary alcohol
tertiary alcohol
cyclopropyl alcohol
primary alcohol
The heating of phenylmethyl ethers with HI produces-
Iodobenzene
Phenol
Benzene
Ethyl chloride
The most acidic compound among the following is -
Identify A and predict the type of reaction
Compound A, C8H10O is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with a characteristic smell. A and Y are respectively-
The compound A on treatment with Na gives B, and with PCl5 gives C. B and C react together to give diethyl ether.
A, B and C are respectively-
C2H5OH, C2H6, C2H5Cl
C2H5OH, C2H5Cl, C2H5ONa
C2H5Cl, C2H6, C2H5OH
C2H5OH, C2H5ONa ,C2H5Cl
Which of the following reaction(s) can be used for the preparation of alkyl halides? I. CH3CH2OH+HCl→anh. ZnCl2 II.CH3CH2OH+HCl→ III.CH33COH+HCl→ IV.CH32CHOH+HCl→anh. ZnCl2
I, III and IV
I and II
Only IV
III and IV
Which of the following is not the product of dehydration of ?
Ether among the following will produce methyl alcohol on treatment with hot concentrated Hl -
CH3-CH2-CH|CH3-O-CH3
CH3-C||CH3CH3-O-CH3
CH3-CH|CH3-CH2-O-CH3
CH3 – CH2 – CH2 – CH2 – O – CH3
The most reactive compound among the following toward electrophilic aromatic substitution reaction is -
→KOHKMnO4B→FeCl3Br2C→H+C2H5OHD
The product 'D' in the above-mentioned reaction is-
H2COH.CH2OH on heating with per-iodic acid gives
CH3 — O — CH(CH3)2 + HI → B (Product)
The product 'B' in the above mentioned reaction is-
CH3OH+(CH3)2CHl
lCH2OCH(CH3)2
CH3O C(CH3)2
CH3l+(CH3)2CHOH
The structure of intermediate A in the following reaction is:
Conversion of cyclohexanol into cyclohexene is most effective in -
Concentrated H3PO4
Concentrated HCl
Concentrated HCl / ZnCl2
Concentrated HBr
When vapour of a secondary alcohol is passed over heated copper at 573 K, the product formed is -
A carboxylic acid
An aldehyde
A ketone
An alkene
The major products C and D formed in the following reaction respectively are-
H3C-CH2-CH2-OC(CH3)3→∆excess HIC+D
H3C-CH2-CH2-I and I-C(CH3)3
H3C-CH2-CH2-OH and I-C(CH3)3
H3C-CH2-CH2-I and HO-C(CH3)3
H3C-CH2-CH2-OH and HO-C(CH3)3
Both A and B are respectively.
A is and B is respectively.
What is the major product in the given following reaction?
O O || ||H3C- C - CH2-CH2 -CH2 -C- H
O O || ||CH3 - C-CH2-CH2-CH2 - C- OH
In the reaction sequence, X and Y, respectively are
H2O2; LiAlH4
C6H5COOOH; LiAlH4
C6H5COOOH; Zn/Hg.HCl
Alkaline KMnO4; LiAlH4
Two isomers compounds I and II are healed with HBr
The products obtained are
The major product of the following reaction is
Phenol on treatment with dil.HNO3, gives two products P and Q. P is steam volatile but Q is not P and Q are. respectively
The compound which reacts with excess bromine to produce 2, 4, 6-tribomophenol, is
1, 3-cyclohexadiene
1, 3-cyclohexanedione
Salicylic acid
Cyclohexanone
The major products formed in the reaction of t-butyl methyl ether with Hl are
In the following reaction sequence
→2. H2O2/NaOH1. B2H6X→CrO3/H2SO4Y
X and Y are
A: The solubility of alcohols in water decreases with the increase in the number of carbon atoms.
R: The non-polar alkyl group or the hydrophobic portion supports the solubility of alcohol.
Both Assertion and Reason are true and the reason is the correct explanation of the assertion.
Both Assertion and Reason are true but the reason is not the correct explanation of the assertion.
Assertion is a true statement but the reason is false.
Both Assertion and Reason are false statements.
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