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Chemistry
List of top Chemistry Questions
Identify the correct increasing order of crystal field stabilization energy value for the given complexes.
JKCET - 2018
JKCET
Chemistry
coordination compounds
How many geometrical isomers are possible with complexes of the type
$ [M(ab)_3] $
?
JKCET - 2018
JKCET
Chemistry
coordination compounds
The correct option(s) regarding the complex
${[Co(en)(NH3)3(H2O)]^{3+} (en = H2NCH2CH2NH2)}$
is (are)
JEE Advanced - 2018
JEE Advanced
Chemistry
coordination compounds
The correct option(s) to distinguish nitrate salts of
${Mn^{2+}}$
and
${Cu^{2+}}$
taken separately is (are)
JEE Advanced - 2018
JEE Advanced
Chemistry
d block elements
Amongst the following interhalogen compounds which one is used for the production of
$ UF_{6} $
during
$ ^{235}U $
enrichment process?
AMUEEE - 2018
AMUEEE
Chemistry
p -Block Elements
Which of the following is the correct configuration of the complex
$ [RhCl_6]^{3-} $
?
JKCET - 2018
JKCET
Chemistry
coordination compounds
What will be the correct decreasing order of acid strength of the hydroxybenzoic acids? (Symbols and notations carry their usual meanings)
JKCET - 2018
JKCET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
What will be the products when benzaldehyde is treated with
$ NaOD $
in
$ D_2O $
?
JKCET - 2018
JKCET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Structure anions of acids,
$ HNO_{3}, H_{3}PO_{4} $
and
$ H_{2}SO_{4} $
are, respectively
AMUEEE - 2018
AMUEEE
Chemistry
Chemical bonding and molecular structure
Products (X and Y) of the following reactions (I and II) are : I.
$ \underset{\text{(Cold and dil.)}}{{2NaOH}}+ Cl_{2} \to Nacl+X+H_{2}O $
II.
$ \underset{\text{(Hot and cone.)}}{{6NaOH}}+ 3Cl_{2} \to Nacl+Y+3H_{2}O $
AMUEEE - 2018
AMUEEE
Chemistry
p -Block Elements
The intermediate product
$ (X) $
formed in the following reaction is
$ B_{2}H_{6}+6NH_{3} \to 3X { ->[Heat] } 2B_{3}N_{3}H_{6}+12H_{2} $
AMUEEE - 2018
AMUEEE
Chemistry
p -Block Elements
Which of the following complexes is optically active?
AMUEEE - 2018
AMUEEE
Chemistry
coordination compounds
The crystal field splitting energy
$ (CFSE) $
for
$ [CoCl_{6}]^{4-} $
is about
$ 18000 \, cm^{-1} $
What would be the
$ CFSE $
value of
$ [CoCl_{4}]^{2-} $
?
AMUEEE - 2018
AMUEEE
Chemistry
coordination compounds
Which of the following radioactive element is used in the treatment of cancer?
AMUEEE - 2018
AMUEEE
Chemistry
d block elements
Which of the following is most soluble in water?
AMUEEE - 2018
AMUEEE
Chemistry
GROUP 1 ELEMENTS
The best reducing agent among the following is
AMUEEE - 2018
AMUEEE
Chemistry
p -Block Elements
Which of the following metal ions is expected to be coloured?
AMUEEE - 2018
AMUEEE
Chemistry
d block elements
A compound
$ C_{5}H_{10}O (A) $
forms a phenyl - hydrazone and gives negative Tollen's test and a positive Iodoform reaction. It also gives
$ n $
-pentane on reduction. The compound
$ (A) $
is
AMUEEE - 2018
AMUEEE
Chemistry
Aldehydes, Ketones and Carboxylic Acids
An example of non-stoichiometric hydride is
AMUEEE - 2018
AMUEEE
Chemistry
Bohr’s Model for Hydrogen Atom
The following reactions show the
$ H_{2}O_{2} $
behaviour in I and II reactions as: I.
$ PbS(s) + 4 H_{2}O_{2} (aq) \to PbSO_{4}(s) + 4H_{2}O(l) $
II.
$ HOC1 + H_{2}O_{2} \to H_{3}O^{+} + Cl^{-} + O_{2} $
AMUEEE - 2018
AMUEEE
Chemistry
Bohr’s Model for Hydrogen Atom
What will be the half-cell potential of a hydrogen electrode acting as an anode and dipped in a solution of
$ pH = 2 $
?
JKCET - 2018
JKCET
Chemistry
Electrochemistry
Which of the following is correct for Lactose?
JIPMER - 2018
JIPMER
Chemistry
Biomolecules
Which of the following is substitution reaction?
JIPMER - 2018
JIPMER
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which of the following is not aromatic heterocyclic?
JIPMER - 2018
JIPMER
Chemistry
Structural Representations Of Organic Compounds
Which of the following is the correct order for ease of dehydration-
JIPMER - 2018
JIPMER
Chemistry
Chemical Reactions
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