List of top Chemistry Questions

For the following reactions, equilibrium constants are given : $S\left(s\right)+O_{2}\left(g\right) $${\rightleftharpoons}$$SO_{2}\left(g\right); K_{1} =10^{52}$ $2S\left(s\right)+3O_{2}\left(g\right) $${\rightleftharpoons}$$2SO_{3}\left(g\right); K_{2} = 10^{129}$ The eqilibrium constant for the reaction, $2SO_{2}\left(g\right)+O_{2}\left(g\right)$${\rightleftharpoons}$$2SO_{3}\left(g\right)$ is :
$ {Mn_2(CO)_{10}}$ is an organometallic compound due to the presence of :
Saccharin an artificial sweetener is manufactured from
During nitration of benzene, the attacking electrophile is
What is hybridization of O in H2O?
Which cannot behave as a nucleophile for SN2 reaction?
If half-life of a substance is 36 minutes. Find amount left after 2 hrs. Initial amount 10 gm?
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?
Which one of the following nitro compound does not react with nitrous acid?
How many ions obtain after dissociation of this complex [Co(NH3)6]Cl3?
The magnetic moment of Ni2+ ion (atomic number of Ni=28) in BM unit is
An element with mass number 81 contains 31.7% more neutrons as compared to
The main product obtained from phenol with PCl5 is
\( E=^0_{cr^{3+}/cr}=-0.72 V, E^0_{fe^{2+}/fe}=-0.42\) The potential for the cell  Cr|Cr3+(0.1 M) || Fe2+(o.01 M) Fe is
Final product C is Final product C is
2KHCO3→CO2 + H2O find amount of gases formed (in lit.). When amount of KHCO3 is 33 gm.
Which of the following statement is correct fro isotope of carbon?
Most common isotopes of hydrogen (non-radioactive) is
Write the IUPAC name of given structure
Write the IUPAC name of given structure
Glucose \(\underrightarrow{HCN}\,\,\,X\,\,\,\underrightarrow{Hydrolysis}\,\,\,\, Y\underrightarrow{Red P+HI}\,\,\,\, Z\) IUPAC name of Y and Z. 
Butter is a colloidal solution of
Which one follow 18 electron octet rule?
\(BrO^-_3\) changes into Br2 in an acidic medium of a unbalanced 3 equation. How many electron should be present on the balanced equation? 
Azimuthal quantum number (I) defined