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Jawaharlal Institute of Postgraduate Medical Education and Research Entrance Exam
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Chemistry
List of top Chemistry Questions asked in Jawaharlal Institute of Postgraduate Medical Education and Research Entrance Exam
Which is suitable reagent for wurtz reaction:
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Chemical Reactions
Which of the following pair behaves strong and weak base hydride
\(NH_3, PH_3, AsH_3, SbH_3, BiH_3\)
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Chemical Reactions
Which of the following becomes paramagnetic on heating at 850 K?
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Chemical Reactions
The correct order of increasing basicity is
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Amines
Osmotic pressure of 0.4% urea solution is 1.64 atm and that of 3.42% cane sugar is 2.46 atm. When the above two solutions are mixed, the osmotic pressure of the resulting solution is :
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Chemistry
Osmotic pressure
P is
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Chemistry
Organic Chemistry
For an isothermal reversible expansion process, the value of q can be calculated by the expression
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Thermodynamics
Why only As
3+
gets precipitated as As
2
S
3
and not Zn
2+
as ZnS when H
2
S passed through an acidic solution containing As
3+
and Zn
2+
?
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Qualitative Analysis
For the reaction taking place at certain temperature
NH
2
COONH
4
(s) ⇌ 2NH
3
(g) +CO
2
(g)
If equilibrium pressure os 3X bar then Δ
t
G° would be
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JIPMER MBBS
Chemistry
Gibbs Free Energy
If radiation corresponding to second line of 'Balmer series' of Li
2+
ion, knocked out electron from first excited state of H-atom, then kinetic energy of ejected electron would be :
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JIPMER MBBS
Chemistry
atomic spectra
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol
-1
, hence the energy of fourth Bohr orbit would be :
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JIPMER MBBS
Chemistry
Bohr’s Model for Hydrogen Atom
Flocculation value of BaCl
2
is much less than that of KCl for sol A and flocculation value of Na
2
SO
4
is much less than that of NaBr for sol B. The correct statement among the following is :
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Colloids
Among the following pairs of complexes, in which case the Δ
0
value is higher for the first one ?
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JIPMER MBBS
Chemistry
Chemical bonding and molecular structure
0.5 mole of each H
2
, SO
2
and CH
4
are kept in a container. A hole was made in the container. After 3h, the order of partial pressures in the container will be
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Chemistry
Equilibrium Constant
Monomer
is
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Chemistry
Organic Chemistry
Following table represents critical temperature of some gases.
Arrange these gases in their increasing order of liquification
Gas
H
2
He
N
2
O
2
T
c
/K
33.2
5.3
126
154.3
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JIPMER MBBS
Chemistry
liquifaction of gases
The insecticide containing 99% γ -isomer of benzene hexachloride is know as
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Chemistry
Pesticides
In the first order reaction
2N
2
O
5
→ 4NO
2
+ O
2
. If a mol L
-1
is the initial concentration of N
2
O
5
, the concentration of NO
2
at time t will be
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Chemistry
Chemical Kinetics
On adding AgNO
3
solution into KI solution, a negatively charged colloidal sol is obtained when they are in :
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Chemistry
Colloids
Among Al
2
O
3
, SiO
2
, P
2
O
5
and N
2
O
5
to give the compounds :
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JIPMER MBBS
Chemistry
Oxides
Heavy water reacts respectively with CO
2
, SO
3
, P
2
O
5
and N
2
O
5
to give the compounds.
JIPMER MBBS - 2018
JIPMER MBBS
Chemistry
Isotopes
[Cr(H
2
O)
6
]Cl
3
(atomic number of Cr=24) has a magnetic moment of 3.83 BM. The correct distribution of 3d-electrions in the chromium present in the complex is
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JIPMER MBBS
Chemistry
Coordination chemistry
Which of the following transformation requires least energy ?
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Chemistry
Chemical bonding and molecular structure
Oxide ion form H.C.P. lattice & Al
3+
Occupies
\(\frac{2}{3}\)
of octahedral void then find the formula of compound :
JIPMER MBBS - 2018
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Chemistry
Crystal Structures
Which of the following is the component of CsI
3
lattice :
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Chemistry
The solid state
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