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CBSE XII
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Chemistry
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Amines
Intermediates formed during reaction of $RCNH_2$ with $Br_2$ and $KOH$ are
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Dec 12, 2015
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Intermediates formed during reaction of $RCNH_2$ with $Br_2$ and $KOH$ are
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class12
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Dec 12, 2015
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Phenyl isoganide are prepared by which of the following reaction ?
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Dec 12, 2015
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Amides may be converted into amines by a reaction named after
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Dec 12, 2015
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The compound obtained by heating a mixture of ethyl amine and chloroform with ethaloic potassium hydroxide (KOH) is
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class12
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easy
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Dec 12, 2015
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Which product is formed , when acetonitrile hydrolyses parially with cold concentrated HCl?
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class12
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Dec 11, 2015
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answers
The action of nitrow acid on an aliphatic primary amine gives
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Dec 11, 2015
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For carbylamine reaction ,we need hot alcoholic $KOH$ and
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Dec 11, 2015
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answer
Which of the following reaction belong to electrophilic aromatic substitution ?
cbse
class12
chemistry
ch-13
amines
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Dec 11, 2015
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1
answer
Which of the following amines can be prepared by Gabriel synthesis
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class12
chemistry
ch-13
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Dec 11, 2015
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answer
The reagent that can be used to convert benzendiazonium chloride to benzene are
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class12
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Dec 11, 2015
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1
answer
The reagent that can be used to convert benzenediazonium chloride to benzene are
cbse
class12
chemistry
ch-13
amines
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Dec 11, 2015
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meena.p
1
answer
Which of the following species are involved in the carbylamine test ?
cbse
class12
chemistry
ch-13
amines
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Dec 11, 2015
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answer
Reduction of nitrobenzene by which of the following reagent gives aniline ?
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class12
chemistry
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amines
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Dec 11, 2015
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answer
Which of the following cannot be prepared by landmark reaction ?
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class12
chemistry
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Dec 11, 2015
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Which of the following compound will not undergo $a2O$ coupling reaction with benzene diazonium chloride
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Dec 11, 2015
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The reaction $Na^{+}Cl^{-} \quad \underrightarrow{Cu/HCl} \quad Arcl+N_2+CuCl$ is named as
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class12
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Dec 11, 2015
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answer
Acid anhydrides on reaction with Primary amine give ____________
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Dec 11, 2015
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The most reactive amine towards dilute hydrochloric acid is __________
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Dec 11, 2015
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Reduction of aromatic nitro compounds using $Fe$ and $HCL$ gives ___________
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Dec 11, 2015
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In the hit-ration of benzene using a mixture of conc.$H_2SO_4$ and conc. $HNO_3$ the spices which initiates the reaction is ______________
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class12
chemistry
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Dec 11, 2015
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The gas evolved when methylamine reacts with nitrous acid is
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class12
chemistry
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Dec 11, 2015
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Methyl reacts with $HNO_2$ to form ________
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class12
chemistry
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Dec 11, 2015
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answer
Haffmann Bromide Degradation reaction shown by ____________
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class12
chemistry
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amines
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Dec 11, 2015
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answer
The best reagent for convesting : $2-phenyl- propanamide into 1-phenylethanamine is __________
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class12
chemistry
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Dec 11, 2015
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answer
The best reagent for consulting 2- phenol propanamide into 2-phenyl propanamine is :
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Dec 11, 2015
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Amongest the given set of reactants the most appropriate for preparing $2^{\circ}$ is ____________
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Dec 11, 2015
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The Source of nitrogen in Gabrial synthesis amines is _____________
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Dec 11, 2015
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Which of the following reagent should not be a good choice for reducing an aryl nitro compound to an amine ?
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Dec 11, 2015
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Benzyl amine may be alkylated as shown in the following equation $C_6H_5CH_2+R-X \to C_6H_5NHR$ Which of following alkyl aides is best suited for this reaction through $SN1$ mechanism ? -
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class12
chemistry
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Dec 11, 2015
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meena.p
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answer
which of the following is the weakest Bronsted base ?
cbse
class12
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ch-13
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Dec 10, 2015
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Amongst the following the strongest base in aqueous medium is
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chemistry
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Dec 10, 2015
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The correct IUPAC name for $CH_2=CHCH_2NHCH_2$ is
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chemistry
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Dec 10, 2015
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answer
Which of the following is a $3^{\circ} $ amine ?
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class12
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Dec 10, 2015
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