Recent questions tagged ch-11

Which of the following reagents can be used to oxidised primary alcohol to aldehydes ?

asked Dec 7, 2015 by meena.p

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Which of the following are used to convert $RCHO$ into $RCH_2OH$?

asked Dec 7, 2015 by meena.p

1 answer

Which of the following is most acidic ?

asked Dec 7, 2015 by meena.p

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Phenol is less acidic than ____________

asked Dec 7, 2015 by meena.p

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Which of the following compounds will reacts with sodium hydroxide solution in water ?

asked Dec 7, 2015 by meena.p

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IUPAC name of m- cresol is _______________

asked Dec 7, 2015 by meena.p

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The process of converting alkyl halider into alcohols involves ___________

asked Dec 7, 2015 by meena.p

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$CH_3CH_2OH$ can be converted into $CH_3CHO$ by _____________

asked Dec 7, 2015 by meena.p

1 answer

What is the correct order of re activity of alcohols in the following reaction ? $R-OH+HCL \to Zncl_2 R-Cl+H_2O$

asked Dec 7, 2015 by meena.p

1 answer

Mono chlorination of toulene in sunlight followed by hydrolysis with aq. $NaOH$ yields

asked Dec 7, 2015 by meena.p

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How many alcohols with molecules formula $C_4H_{10}$ are chiral in nature ?

asked Nov 30, 2015 by meena.p

1 answer

Phenol can be distinguished from ethanol by the following reagents except

asked Nov 30, 2015 by meena.p

1 answer

The best method to prepare cyclohexene from cyclohexanol is by using

asked Nov 30, 2015 by meena.p

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Amongest the following $HBr$ reacts fastest with

asked Nov 30, 2015 by meena.p

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Benzendiazonium chloride on reaction with phenol is weakly basic medium gives:

asked Nov 30, 2015 by meena.p

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Conc.$H_2So_4$ reacts with $C_5H_5OH$ at $170^{\circ}$ to form

asked Nov 30, 2015 by meena.p

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Nuclephilic addition reaction will be most followed in

asked Nov 30, 2015 by meena.p

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Propene on hydro boration and oxidation produces :

asked Nov 30, 2015 by meena.p

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In the following sequence of reaction : $CH_3CH_2OH \to A \to B \to C\to D$ the compound 'D' is :

asked Nov 30, 2015 by meena.p

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The best reagent top concert pent -3-en-2-ol into pent 3-en2-one is

asked Nov 30, 2015 by meena.p

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The correct order of boiling point for primary $(1^{\circ})$ accordingly $(2^{\circ})$ and tertiary $(3^{\circ})$ alcohol is :

asked Nov 26, 2015 by meena.p

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Which is not correct

asked Nov 26, 2015 by meena.p

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The Product formed in the following reaction : $C_6H_5-O-CH_3+HI \to$ are

asked Nov 26, 2015 by meena.p

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$C_6H_5OH +ClCOCH_3 \to C_6H_5OCOCH_3$ is an example of

asked Nov 26, 2015 by meena.p

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Acid catalyzed hydration of allcenes except ethene leads to the formation of

asked Nov 26, 2015 by meena.p

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The most suitable reagent for the conversion of $RCH_2OH \to RCHO$ is

asked Nov 26, 2015 by meena.p

1 answer

Intermolecular $H_2$ bonding is strongest in

asked Nov 26, 2015 by meena.p

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Lucas test is used for the determination of

asked Nov 26, 2015 by meena.p

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Salicylic acid isprepared from phenel by :

asked Nov 26, 2015 by meena.p

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What is the correct hand angle in dim ethyl ether ?

asked Nov 26, 2015 by meena.p

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Which one of the following can differentiate between $C_2H_5OH$ and $CH_3OH$?

asked Nov 26, 2015 by meena.p

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Ethyl alcohol exhibits acidic character on reacting with

asked Nov 26, 2015 by meena.p

1 answer

When $ CH_2 = CH -COOH$ is reduced with $LiAlH_4$ . the compound obtained will be

asked Nov 26, 2015 by meena.p

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During dehydration of alcohols of alkenes by heating with concentrated $H_2SO_4$ the initiation step is :

asked Nov 26, 2015 by meena.p

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Which one of the following undergoes reaction with so to sodium hydroxide solution to give the corresponding alcohol and acid ?

asked Nov 26, 2015 by meena.p

1 answer

Which of the following on heating with aqueous KOH, produces acetalochyde ?

asked Nov 25, 2015 by meena.p

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The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

asked Nov 25, 2015 by meena.p

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Which of the following reagent may be used to distinguish between phenol and benzonic acid ?

asked Nov 25, 2015 by meena.p

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Phenol is heated with a solution of mixture of $KBr$ and $BrO_3$. The major product obtained in the above reaction is

asked Nov 25, 2015 by meena.p

1 answer

Which of the following compounds can be used as antifreze in auto mobile radiatore ?

asked Nov 25, 2015 by meena.p

1 answer

The major organic product in the reaction is $CH_3-O-CH(CH_3)_2+H1 \to $ products

asked Nov 25, 2015 by meena.p

1 answer

Ethylene oxide when treated with wrignard reagent yields

asked Nov 25, 2015 by meena.p

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When phenol is treated with $CHCl_3$ and $NaOH$ the products formed is :

asked Nov 25, 2015 by meena.p

1 answer

Which one of the following compounds is resistant to nucleophilic attack by hydroxylions ?

asked Nov 25, 2015 by meena.p

2 answers

Iodoform test is not given by

asked Nov 25, 2015 by meena.p

1 answer

The bakelite is prepared by the reaction between

asked Nov 25, 2015 by meena.p

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The compound which does not react with radium is

asked Nov 25, 2015 by meena.p

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How many isomers of $C_5H_{11}OH$ will be primary alcohols ?

asked Nov 25, 2015 by meena.p

1 answer

When hydrochloric acid gas is treated with propene in presence of benzoyl peroxide it, gives

asked Nov 24, 2015 by meena.p

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What is formed when a primary alcohol undergoes catalytic dehydrogenation ?

asked Nov 24, 2015 by meena.p

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