List of top Chemistry Questions

Chemical Reaction of compounds
The product ‘A’ gives white precipitate when treated with bromine water. The product ‘B’ is treated with Barium hydroxide to give the product C. The compound C is heated strongly to form product D. The product D is
The major product of the following reaction is CH2 = CH - CH2 - OH product
The order of reactivity of the compounds C6H5CH2Br, C6H5CH(C6H5)Br, C6H5CH(CH3)Br and C6H5C(CH3)(C6H5)Br in SN2 reaction is
Bond enthalpies of A2, B2 and AB are in the ratio 2 : 1 : 2. If bond enthalpy of formation of AB is -100 KJ mol-1. The bond enthalpy of B2 is
Compound(Major product)
The compound A (major product) is
The correct order for wavelengths of light absorbed in the complex ions
[CoCl(NH3)5]2+, [Co(NH3)6]3+, [Co(CN)6]3- is
Homoleptic complexes among the following are
(A) K3[Al(C2O4)3], (B) [CoCl2(en)2]+, (C) K2[Zn(OH)4]
The IUPAC name of [Co(NH3)5(CO3)]Cl is
For the crystal field splitting in octahedral complexes,
When the absolute temperature of ideal gas is doubled and pressure is halved, the volume of gas
Which one of the following is correct for all elements from Sc to Cu ?
Which of the following does not represent property stated against it ?
A colourless, neutral, paramagnetic oxide of Nitrogen ‘P’ on oxidation gives reddish brown gas Q. Q on cooling gives colourless gas R. R on reaction with P gives blue solid S. Identify P, Q, R, S respectively
XeF6 on partial hydrolysis gives a compound X, which has square pyramidal geometry ‘X’ is
The correct order of boiling point in the following compounds is
Which of the following property is true for the given sequence NH3 > PH3 > AsH3 > SbH3 > BiH3 ?
Which of the following compound on heating gives N2O ?
Zeta potential is
Which of the following is an incorrect statement ?
A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of BaCl2, AlCl3 and NaCl required to coagulate the given colloid is in the order
Arrange benzene, n-hexane and ethyne in decreasing order of their acidic behaviour
The correct IUPAC name of
Compound
The rate of a gaseous reaction is given by the expression k[A][B]2. If the volume of vessel is reduced to one half of the initial volume, the reaction rate as compared to original rate is
If the rate constant for a first order reaction is k, the time(t) required for the completion of 99% of the reaction is given by
The third ionisation enthalpy is highest in