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Chemistry
List of top Chemistry Questions
$Al$
forms
$[AlF_6]^{3-}$
but B does not form
$[BF_6]^{3-}$
.
$B$
does not react with
$F_2$
.
AIIMS - 2018
AIIMS
Chemistry
p -Block Elements
Which of the following acts as a nucleophile in the aldol condensation of ethanal? (i) OH
$\quad\quad$
(ii) H? : (iii) CHCHO
JIPMER - 2018
JIPMER
Chemistry
Organic Chemistry
During the fusion of organic compound with sodium metal, nitrogen present in the organic compound is converted into
KCET - 2018
KCET
Chemistry
Organic Chemistry
The final product of the given reaction is
AIIMS - 2018
AIIMS
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which of the following order is correct?
AIIMS - 2018
AIIMS
Chemistry
Chemical bonding and molecular structure
Which of the following exhibits minimum number of oxidation states?
AIIMS - 2018
AIIMS
Chemistry
d -and f -Block Elements
In which of the following elements number of d-electrons is zero in 6d-orbital?
AIIMS - 2018
AIIMS
Chemistry
d -and f -Block Elements
Which of the following contains atleast one lone pair in all of its halides?
AIIMS - 2018
AIIMS
Chemistry
p -Block Elements
Major product of the given reaction is
AIIMS - 2018
AIIMS
Chemistry
Alcohols, Phenols and Ethers
Which of the following is not an example of addition polymer
UPSEE - 2018
UPSEE
Chemistry
classification of polymers
Which reagent is capable of giving test both of Aldehyde and ketones
UPSEE - 2018
UPSEE
Chemistry
Chemical Reactions
Which among the following compounds will have meso form
UPSEE - 2018
UPSEE
Chemistry
Isomerism
How benzene is converted into n - propyl benzene
UPSEE - 2018
UPSEE
Chemistry
Properties of benzene
Ferric chloride is used to stop bleeding in cuts because
UPSEE - 2018
UPSEE
Chemistry
d -and f -Block Elements
$CH_3MgI$
will give methane with
UPSEE - 2018
UPSEE
Chemistry
Alkanes
Which of the following is a tricarboxylic acid?
MHT CET - 2018
MHT CET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
White phosphorus $P_4$ has the following characteristics:
WBJEE - 2018
WBJEE
Chemistry
p -Block Elements
Which of the following carboxylic acids is most reactive towards esterification?
MHT CET - 2018
MHT CET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which among the group-15 elements does NOT exists as tetra atomic molecule?
MHT CET - 2018
MHT CET
Chemistry
p -Block Elements
What is the catalyst used for oxidation of $\ce{SO_2}$ to $\ce{SO_3}$ in lead chamber process for manufacture of sulphuric acid?
MHT CET - 2018
MHT CET
Chemistry
p -Block Elements
The number of unpaired electrons in $Ni$ (atomic number $= 28)$ are
WBJEE - 2018
WBJEE
Chemistry
d block elements
$Cl_2O_7 $
is the anhydride of
WBJEE - 2018
WBJEE
Chemistry
p -Block Elements
Which of the following is an example of thermosetting polymers?
AMUEEE - 2018
AMUEEE
Chemistry
Polymers
Which one of the following set of metals deposits an anode mud during the process of electrolytic refining of copper?
AMUEEE - 2018
AMUEEE
Chemistry
General Principles and Processes of Isolation of Elements
The most reactive to nucleophilic attack at the carbonyl group is
AMUEEE - 2018
AMUEEE
Chemistry
reaction mechanism
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