Recent questions in Some Basic principles of Organic chemistry

In $CH_3CH_2OH$ the bond that undergoes heterolytic cleavage most readily is

asked Feb 20, 2014 by meena.p

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An isomer of ethanol is

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The bond order of individual carbon-carbon bonds is benzene is :

asked Feb 20, 2014 by meena.p

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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

asked Dec 5, 2013 by sreemathi.v

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Reactant B of the reaction is

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The reactivity of which H atom is maximum for Halogenation by free radical mechanism?

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Refer to the below reaction :

asked Dec 5, 2013 by sreemathi.v

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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:

asked Dec 5, 2013 by sreemathi.v

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Which radical is responsible for the observed selectivity in the following selectivity in the following chain reaction ?

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DImerisation product of cyclhexene under acidic conditions is

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Which alkene when treated with benzene in presence of $H^+$ gives 1,1 diphenylethane

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Bromination of carbonyl compound at $\alpha$ position is

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Refer to the below equation :

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Which of the following is likely mechanism for the transformation shown below?

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Which is the least likely protonation site in the conjugated alkene given below:

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Refer to the below reaction:

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1 answer

What is the most likely product of the following reaction?

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Refer to the below equation :

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Refer to the below reaction :

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Refer to the below reaction :

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An aromatic alkyne on treatment with $H_2SO_4$ gives acetophenone .The alkyne is

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An alkyne on treatment with cold alkaline $KMnO_4$ gives $2-oxo$ propanal. Alkyne is

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Refer to the below reaction:

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Refer to the below reaction :

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A type of fuel containing

asked Dec 4, 2013 by sreemathi.v

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Alkanes containing 6 or more carbon atoms catalytically treated under pressure, passed over chromic oxide carried on an alumina support at temperature ranging 480-550 degree C,eventually

asked Dec 4, 2013 by sreemathi.v

1 answer

Which of the following alkene is most reactive towards epoxidation with MCPBA (meta chloro per benzoic acid)

asked Dec 4, 2013 by sreemathi.v

1 answer

Refer to the below reaction:

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1 answer

Refer to the below reaction :

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1 answer

Refer to the below reaction :

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Which of the following is most reactive diene?

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Some alkanes may be prepared by adding an alkyl iodide dropwise to sodium in a suitable inert solvent

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Find out the valid statement

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Refer to the below equation :

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1 answer

Which of the following statement is correct regarding the molecule A

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Which of the following alkanes can be synthesized by Wurtz reaction in good yield?

asked Dec 4, 2013 by sreemathi.v

1 answer

Which of the following alkanes will give single product with a methele insertion?

asked Dec 4, 2013 by sreemathi.v

1 answer

Refer to the below reaction :

asked Dec 4, 2013 by sreemathi.v

1 answer

Refer to the below reaction:

asked Dec 4, 2013 by sreemathi.v

1 answer

An unknown compound decolourises bromine in carbon tetrachloride and it undergoes catalytic reduction to give decalin. When treated with warm, concentrated potassium permangate, this compound give cis-cyclohexane-1,2- dicarboxylic acid and oxalic acid. Propose a structure for the unknown compound.

asked Dec 4, 2013 by sreemathi.v

1 answer

Refer to the below equation :

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1 answer

Refer to the below reaction :

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1 answer

Refer to the below equation:

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1 answer

Identify the product

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Refer to the below equation :

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Refer to the below reaction :

asked Dec 3, 2013 by sreemathi.v

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Refer to the below reaction:

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The product of of the following reaction can be

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Arrange in the decresing order of reactivity with HOCl

asked Dec 3, 2013 by sreemathi.v

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Which of the following alkanes will give single product with a methylene insertion?

asked Dec 3, 2013 by sreemathi.v

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