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Recent questions tagged organic-chemistry
Questions
Predict the product in the following reaction
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q29
medium
asked
Feb 20, 2014
by
sreemathi.v
1
answer
A typical compound under goes Cannizzaro's reaction as well as aldol condensation.The possible compound is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q28
medium
asked
Feb 20, 2014
by
sreemathi.v
1
answer
The below reduction reaction is known as
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q27
medium
asked
Feb 20, 2014
by
sreemathi.v
1
answer
Benzaldehyde differs from acetaldehyde in that
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q26
medium
asked
Feb 20, 2014
by
sreemathi.v
1
answer
Which is a product X of the below reaction:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q25
easy
asked
Feb 20, 2014
by
sreemathi.v
1
answer
Which is a product F of reaction
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q24
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
In the below reaction only $CN^-$ ions are effective because
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q23
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Refer the below reaction:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q22
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
The product of below reaction:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q21
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Which of the following will be the best reagent for below transformation
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q20
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Which of the following statements are correct ?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q19
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Haloform reaction may be depicted as follows :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q18
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Which of the following compounds exhibit Fehling's test?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q17
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Refer the below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q16
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
In the below reaction the product Y is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q15
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
The below reaction involves
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q14
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
The correct order of reactivities of nucleophilic addition across -C=O of the RCOR ,RCHO and ArCHO is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q13
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Which of the following species is an intermediate in the reaction shown below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q12
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
The reduction at acetone with magnesium amalgam followed by hydrolysis produces
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q11
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
The haloform reaction is not shown by the compound
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q10
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Refer the below reaction :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q9
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Refer the below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q8
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Which of the following compounds does not under go aldol condensation?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q7
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Which of the following statements regarding aldehyde is not correct?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q6
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
The cannizzaro reaction is not given by
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q5
easy
asked
Feb 18, 2014
by
sreemathi.v
1
answer
In the Cannizzaro reaction given : $2C_6H_5-CHO\quad \underrightarrow {OH^-}\quad C_6H_5-CH_2OH +C_6H_5COO^-$ the slowest step is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q4
easy
asked
Feb 18, 2014
by
sreemathi.v
1
answer
Which of the following is an example of aldol condensation?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q3
easy
asked
Feb 18, 2014
by
sreemathi.v
1
answer
Which of the following compound is expected to have maximum enol content in ethanol?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q2
easy
asked
Feb 18, 2014
by
sreemathi.v
1
answer
The reaction $CH_3COCH_3 \large\xrightarrow{[H^+]} CH_3CH_2CH_3$ is known as
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q1
easy
asked
Feb 18, 2014
by
sreemathi.v
1
answer
Consider the following reaction of 1-methyl cyclohexene with NBS.Four likely products of the reaction are shown below. One of the likely product is not shown however
jeemain
chemistry
unit21
organic-chemistry
q40
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Reactant B of the reaction is
jeemain
chemistry
unit21
organic-chemistry
q39
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
The reactivity of which H atom is maximum for Halogenation by free radical mechanism?
jeemain
chemistry
unit21
organic-chemistry
q38
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below reaction :
jeemain
chemistry
unit21
organic-chemistry
q37
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Reaction of 1 molr of each $Br_2$ and phco$CH_2CH_3$ in basic solution yields 0.5 moles of ph$COCBr_2CH_3$ And 0.5 moles of unreacted ph$COCH_2CH_3$. It suggests:
jeemain
chemistry
unit21
organic-chemistry
q36
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Which radical is responsible for the observed selectivity in the following selectivity in the following chain reaction ?
jeemain
chemistry
unit21
organic-chemistry
q35
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
DImerisation product of cyclhexene under acidic conditions is
jeemain
chemistry
unit21
organic-chemistry
q34
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Which alkene when treated with benzene in presence of $H^+$ gives 1,1 diphenylethane
jeemain
chemistry
unit21
organic-chemistry
q33
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Bromination of carbonyl compound at $\alpha$ position is
jeemain
chemistry
unit21
organic-chemistry
q32
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below equation :
jeemain
chemistry
unit21
organic-chemistry
q31
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Which of the following is likely mechanism for the transformation shown below?
jeemain
chemistry
unit21
organic-chemistry
q30
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Which is the least likely protonation site in the conjugated alkene given below:
jeemain
chemistry
unit21
organic-chemistry
q29
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
3
answers
Refer to the below reaction:
jeemain
chemistry
unit21
organic-chemistry
q28
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
What is the most likely product of the following reaction?
jeemain
chemistry
unit21
organic-chemistry
q27
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below equation :
jeemain
chemistry
unit21
organic-chemistry
q26
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below reaction :
jeemain
chemistry
unit21
organic-chemistry
q25
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below reaction :
jeemain
chemistry
unit21
organic-chemistry
q24
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
An aromatic alkyne on treatment with $H_2SO_4$ gives acetophenone .The alkyne is
jeemain
chemistry
unit21
organic-chemistry
q23
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
An alkyne on treatment with cold alkaline $KMnO_4$ gives $2-oxo$ propanal. Alkyne is
jeemain
chemistry
unit21
organic-chemistry
q22
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below reaction:
jeemain
chemistry
unit21
organic-chemistry
q21
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Refer to the below reaction :
jeemain
chemistry
unit21
organic-chemistry
q20
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
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