List of top Chemistry Questions asked in Jawaharlal Institute of Postgraduate Medical Education and Research Entrance Exam

\(BrO^{3-}\) Changes into \(Br_2\) in an acidic medium of a unbalanced equation how many electron should be present on the balanced electron.
If equilibrium constant is 2.6×108 then find the value of ΔG°.
The radius of a calcium ion is 94 pm and of the oxide ion is 146 pm. The possible crystal structure of calcium oxide will be
Which of the following is a bactericidal antibiotic ?
In what manner will increase of pressure affect the following equation ?
\(C(s)+H_2O(g)⇋CO(g)+H_2(g)\)
Which of the following colligative properties can provide molar mass of proteins (or polymers or colloids) with greatest precision?
E° for the cell, \(Zn|Zn^{2+} (aq) ||Cu^{2+} (aq)|Cu(s)\) is 1.01 V at 25°C. The equilibrium constant for the cell reaction \(Zn + Cu^{2+} (aq) ⇋ Cu+ Zn^{2+} (aq)\) is of the order of
Which one of the following is a mineral of iron?
Reagent used to convert allyl alcohol to acrolein is
What is order with respect to A, B, C respectively?
[A][B][C]Rate (M/sec.)
0.20.10.028.08 × 10-3
0.10.20.022.01 × 10-3
0.11.80.186.03 × 10-3
0.20.10.086.464 × 10-2
Which of the following act as epimeric pair?
Which of the following rare gas is the abundant in air?
If molarity of \(Cu^+2\) ions is 3x10-4 express this in ppm 
During nitration of benzene, the attacking electrophile is
Saccharin an artificial sweetener is manufactured from
What is hybridization of O in H2O?
Which cannot behave as a nucleophile for SN2 reaction?
Mole of N2=0.4 and moles of O2=0.1. Find PN2. (Partial pressure) N2 =? At atmospheric pressure
Which of the following will not be formed when calcium formate?
If half-life of a substance is 36 minutes. Find amount left after 2 hrs. Initial amount 10 gm?
An element with mass number 81 contains 31.7% more neutrons as compared to
The main product obtained from phenol with PCl5 is
Which one of the following nitro compound does not react with nitrous acid?
\( E=^0_{cr^{3+}/cr}=-0.72 V, E^0_{fe^{2+}/fe}=-0.42\) The potential for the cell  Cr|Cr3+(0.1 M) || Fe2+(o.01 M) Fe is
The magnetic moment of Ni2+ ion (atomic number of Ni=28) in BM unit is