Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged ch-13
Questions
Phenyl isoganide are prepared by which of the following reaction ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 12, 2015
by
meena.p
1
answer
Amides may be converted into amines by a reaction named after
cbse
class12
chemistry
ch-13
amines
asked
Dec 12, 2015
by
meena.p
1
answer
The compound obtained by heating a mixture of ethyl amine and chloroform with ethaloic potassium hydroxide (KOH) is
cbse
class12
chemistry
ch-13
amines
sec-a
easy
asked
Dec 12, 2015
by
meena.p
1
answer
Which product is formed , when acetonitrile hydrolyses parially with cold concentrated HCl?
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
0
answers
The action of nitrow acid on an aliphatic primary amine gives
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
For carbylamine reaction ,we need hot alcoholic $KOH$ and
cbse
class12
chemistry
ch-13
amines
sec-a
easy
asked
Dec 11, 2015
by
meena.p
1
answer
Which of the following reaction belong to electrophilic aromatic substitution ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Which of the following amines can be prepared by Gabriel synthesis
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The reagent that can be used to convert benzendiazonium chloride to benzene are
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The reagent that can be used to convert benzenediazonium chloride to benzene are
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Which of the following species are involved in the carbylamine test ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Reduction of nitrobenzene by which of the following reagent gives aniline ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Which of the following cannot be prepared by landmark reaction ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Which of the following compound will not undergo $a2O$ coupling reaction with benzene diazonium chloride
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The reaction $Na^{+}Cl^{-} \quad \underrightarrow{Cu/HCl} \quad Arcl+N_2+CuCl$ is named as
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Acid anhydrides on reaction with Primary amine give ____________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The most reactive amine towards dilute hydrochloric acid is __________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Reduction of aromatic nitro compounds using $Fe$ and $HCL$ gives ___________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
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 ______________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The gas evolved when methylamine reacts with nitrous acid is
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Methyl reacts with $HNO_2$ to form ________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Haffmann Bromide Degradation reaction shown by ____________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The best reagent for convesting : $2-phenyl- propanamide into 1-phenylethanamine is __________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The best reagent for consulting 2- phenol propanamide into 2-phenyl propanamine is :
cbse
class12
chemistry
ch-13
amines
sec-a
asked
Dec 11, 2015
by
meena.p
1
answer
Amongest the given set of reactants the most appropriate for preparing $2^{\circ}$ is ____________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
The Source of nitrogen in Gabrial synthesis amines is _____________
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
Which of the following reagent should not be a good choice for reducing an aryl nitro compound to an amine ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
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 ? -
cbse
class12
chemistry
ch-13
amines
asked
Dec 11, 2015
by
meena.p
1
answer
which of the following is the weakest Bronsted base ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 10, 2015
by
meena.p
1
answer
Amongst the following the strongest base in aqueous medium is
cbse
class12
chemistry
ch-13
amines
asked
Dec 10, 2015
by
meena.p
1
answer
The correct IUPAC name for $CH_2=CHCH_2NHCH_2$ is
cbse
class12
chemistry
ch-13
amines
asked
Dec 10, 2015
by
meena.p
1
answer
Which of the following is a $3^{\circ} $ amine ?
cbse
class12
chemistry
ch-13
amines
asked
Dec 10, 2015
by
meena.p
1
answer
Let abc be a three digit number Then $abc+bca +cab$ is not divisible by
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
A six digit number is formed by repeating a three digit number . For example $256256, 678678$ etc. Any number of this form is divisible by
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
If X+Y+Z = 6 and Z is an odd digit than the three digit number xyz is
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
If $5A \times A=399$ then the value of A is
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
If $A3+8B=150$, then the value of $A+B$ is
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
If $5A+B3=65$ then the value of $A \;and\; B$ is :
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
If the sum of digits of a number is divisible by 3, then the number is always divisible by
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
Refer the following : Where $Q-P=3$ then find the value of $P\;and\;Q$
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
Find the value of A,B and C
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
Let $D=3,L=7$ and $A= 8,M=9$ Find the other digits in the sum
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
Find the value of A and B from the following
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 24, 2015
by
meena.p
1
answer
If abc is a three digit number then the number abc-a-b-c is divisible by
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
The sum of all the numbers formed by the digits x,y and z of the number xyz is divisible by
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
Let abc be a three digit number then abc-cba is not divisible by
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
The usual form of $1000a+10b+c$ is
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
Generalized form of a two digit number xy is
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
Generalized form of a four digit number abcd is
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
Find the value of A and b from the following :
olympiad
class8
math
ch-13
playing-with-number
asked
Aug 21, 2015
by
meena.p
1
answer
Page:
« prev
1
2
3
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...