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Recent questions tagged organic-chemistry
Questions
Toutomerism is not exhibited by
jeemain
chemistry
class11
organic-chemistry
q80
medium
basic-organic-chemistry
ch12
asked
Feb 26, 2014
by
meena.p
1
answer
Which of the following statements is correct?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q99
medium
asked
Feb 26, 2014
by
sreemathi.v
1
answer
The major product obtained on heating $\gamma$-hydroxy acid $CH_3-CH_2-CHOH-CH_2-CH_2-COOH$ is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q98
medium
asked
Feb 26, 2014
by
sreemathi.v
1
answer
The compound , whose stereo-chemical formula is written below exhibits x geometrical isomers and y optical isomers.
jeemain
chemistry
class11
organic-chemistry
q79
medium
basic-organic-chemistry
ch12
asked
Feb 26, 2014
by
meena.p
1
answer
In the below sequence X and Y are
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q97
medium
asked
Feb 26, 2014
by
sreemathi.v
1
answer
Out of the following , the one containing only nucleophiles is
jeemain
chemistry
class11
organic-chemistry
q78
medium
basic-organic-chemistry
ch12
asked
Feb 26, 2014
by
meena.p
1
answer
Which of the following compound observed in the mechanism of Beckmann rearrangement of the below
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q96
medium
asked
Feb 26, 2014
by
sreemathi.v
1
answer
The correct acid strength order of the compounds
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q95
easy
asked
Feb 26, 2014
by
sreemathi.v
1
answer
The treatment of $LiAlH_4$ with the below one leads to
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q94
easy
asked
Feb 26, 2014
by
sreemathi.v
1
answer
Which of the following rings in most strained ?
jeemain
chemistry
class11
organic-chemistry
q77
difficult
basic-organic-chemistry
ch12
asked
Feb 26, 2014
by
meena.p
1
answer
The total number of carboxylic acid groups in the product P is :
jeemain
chemistry
class11
organic-chemistry
q76
difficult
basic-organic-chemistry
ch12
asked
Feb 26, 2014
by
meena.p
1
answer
An organic compound A upon reacting with $NH_3$ gives B. On heating B gives C. C in presence of $KOH$ reacts with $Br_2$ to give $CH_3CH_2NH_2$ A is :
jeemain
chemistry
class11
organic-chemistry
q75
medium
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Compound $(A),C_8H_9Br$ gives a white precipitate when warmed with alcoholic $AgNO_3$. Oxidation of $(A)$ gives a acid $(B)$. $C_8H_6O_4.(B)$ easily forms anhydride on heating . Identify the compound $(A)$.
jeemain
chemistry
class11
organic-chemistry
q74
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Which carboxylic acid will show HVZ reaction?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q93
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The IUPAC name of the compound :$CH_2 =CH-CH(CH_3)_2$
jeemain
chemistry
class11
organic-chemistry
q73
medium
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
In the below sequence of reaction X and Y are respectively
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q92
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
How many optically active stereoisomers are possible for butane$-2, 3-$diols?
jeemain
chemistry
class11
organic-chemistry
q72
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Propionic acid $\quad \underrightarrow{PCl_3}\quad X\quad\underrightarrow{C_6H_6}\quad Y$.In this sequence Y is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
carboxylic-acids
q91
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The number of structural isomers for $C_6H_{14}$ is
jeemain
chemistry
class11
organic-chemistry
q71
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
The two cleavage reactions are given below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q90
difficult
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The IUPAC name of the compound
jeemain
chemistry
class11
organic-chemistry
q70
medium
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
The compound which gives the most stable carbonium ion on dehydration is
jeemain
chemistry
class11
organic-chemistry
q69
easy
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
The below reaction with (i) $NH_3,H_2O$,(ii) acid HCl respectively give
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q89
difficult
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Which of the following represents the given mode of hybridisation $Sp^2-Sp^2-Sp-Sp$ from left to right?
jeemain
chemistry
class11
organic-chemistry
q68
medium
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
In the following reaction the structure of the major product X is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q88
difficult
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Refer the below figure: Compound on hydrolysis in aqueous acetone will give,
jeemain
chemistry
class11
organic-chemistry
q67
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Which of the following is the major product of the reaction shown below
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q87
difficult
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The correct statements about the compound: $H_3C(HO)HC - CH = CH -CH(OH)CH_3 (X)$ are:
jeemain
chemistry
class11
organic-chemistry
q66
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
The correct statement(s) concerning the structures $E, F$ and $G$ is (are) (i) E,F and G are resonance structures (ii) E,F and E,G are tautomers (iii) F and G are geometrical isomers. (iv) F and G are diastereomers.
jeemain
chemistry
class11
organic-chemistry
q65
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
A chiral $C_5H_{10}O$ ether reacts with hot $HI$ to give a $C_5H_{10}I_2$ product.Treatment of this with hot $KOH$ in ethanol produces $1$,$3$-pentadiene.What is the structure of the original ether?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q86
difficult
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Which of the following is expected to have the lowest boiling point?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q85
medium
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Acid-catalysed reaction of oxirane is given below:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q84
medium
asked
Feb 25, 2014
by
sreemathi.v
1
answer
In the below reaction product is/are
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q83
medium
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The formation of peroxide linkage in either due to the exposure in air can be detected by treating in with
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q82
medium
asked
Feb 25, 2014
by
sreemathi.v
1
answer
What are the resulting products of the reaction below?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q81
medium
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The correct statements about the compound given below is (are) (i) The compound is optically active. (ii) The compound possesses centre of symmetry (iii) The compound possesses plane of symmetry (iv) The compound possesses axis symmetry.
jeemain
chemistry
class11
organic-chemistry
q64
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
What would be the product in the following reaction:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q80
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Tautomerism is exhibited by
jeemain
chemistry
class11
organic-chemistry
q63
medium
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Which of the following reaction is the best choice for preparing Ethyl phenyl ether?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q79
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The following ether,when treated with HBr produces
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q78
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Which of the following statement is correct?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q77
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Williamson ether systhesis for tert-butyl methyl ether is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
ethers
q76
easy
asked
Feb 25, 2014
by
sreemathi.v
1
answer
The major product formed on the reaction given below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q75
difficult
asked
Feb 25, 2014
by
sreemathi.v
1
answer
Which of the following compounds will show geometrical isomerism?(i) 2-butene (ii) Propene (iii) 1-phenylpropene (iv) 2-methyl-2-butene
jeemain
chemistry
class11
organic-chemistry
q62
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
2
answers
Only two isometric monochloro derivatives are possible for : (i) n-butane (ii) 2,4 -dimethylpentane (iii) benzene (iv) 2- methylpropane
jeemain
chemistry
class11
organic-chemistry
q61
difficult
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Dipole moment is shown by (i) 1,4 dichlorobenzene (ii) cis-1,2-dichloroethane. (iii) trans -1,2- dichleroethene (iv) trans-1,2- dichloro-2-pentene.
jeemain
chemistry
class11
organic-chemistry
q60
medium
basic-organic-chemistry
ch12
asked
Feb 25, 2014
by
meena.p
1
answer
Phenol is less acidic than (i) acetic acid (ii) p-methoxyphenol (iii) p- nitrophenol (iv) ethanol
jeemain
chemistry
class11
organic-chemistry
q59
medium
basic-organic-chemistry
ch12
asked
Feb 24, 2014
by
meena.p
1
answer
Resonance structure of a molecule should (i) Identical arrangements of atoms. (ii) nearly the same energy content. (iii) the same number of paired electrons. (iv) identical bonding
jeemain
chemistry
class11
organic-chemistry
q58
difficult
basic-organic-chemistry
ch12
asked
Feb 24, 2014
by
meena.p
1
answer
The major product of the following reaction is :
jeemain
chemistry
class11
organic-chemistry
q57
difficult
basic-organic-chemistry
ch12
asked
Feb 24, 2014
by
meena.p
1
answer
Arrange in order of decreasing trend towards ES (electrophilic substitution) reactions: Chlorobenzene (I), Benzene (II), Anilinium chloride (III), Toluene (IV)
jeemain
chemistry
class11
organic-chemistry
q56
difficult
basic-organic-chemistry
ch12
asked
Feb 24, 2014
by
meena.p
1
answer
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