List of top Chemistry Questions

The total number of octahedral void(s) per atom present in a cubic close packec structure is :-
The most suitable reagent for the conversion of $RCH_2OH \to RCHO$ is
In the Victor-Meyer's test, the colour given by $1^{\circ}$, $2^{\circ}$and $3^{\circ}$ alcohols are respectively :
Magnetic moment 2.83 BM is given by which of the following ions?
(At. nos. Ti = 22, Cr = 24, Mn = 25, Ni = 28)
The pair of compounds that can exist together is:
Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression?
Among the following sets of reactants which one produces anisole ?
Artificial sweetener which is stable under cold conditions only is:
What is the maximum number of orbitals that can be identified with the following quantum number?
n = 3, l = 1, ml = 0
Which of the following complexes is used to be as an anticancer agent?
Calculate the energy in joule corresponding to light of wavelength 45 nm:
(Planck’s constant h = 6.63 × 10-34 Js; speed of light c = 3 × 108 ms-1)
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is:
In the Kjeldahl's method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 gm of sample neutralized 10 mL of 1 M H2SO4, The percentage of nitrogen in the soil is:
D(+) glucose reacts with hydroxylamine and yields an oxime. The structure of the oxime would be:
The weight of silver (at wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O2 at STP will be:
When 0.1 mol MnO42– is oxidised the quantity of electricity required to completely oxidise MnO42– to MnO4– is
If a is the length of the side of a cube , the distance between the body centred atom and one corner atom in the cube will be
The reaction of aqueous KMnO4 with H2O2 in acidic conditions gives:
In acidic medium, H2O2 changes Cr2O72- to CrO5 which has two (-O-O-) bonds. Oxidation state of Cr in CrO5 is
Which of the following orders of ionic radii is correctly represented?
Which of the following organic compoundspolymerizes to form the polyester Dacron?
Which one of the following is not a commoncomponent of Photochemical Smog?
Which of the following salts will give highest pH in water ?
Which of the following compounds will undergo racemisation when solution of KOH hydrolysis?
Which of the following compounds will undergo racemisation when solution of KOH hydrolysis?
Which of the following will be most stable diazoniumsalt RN2+X- ?