List of top Chemistry Questions asked in KCET

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 correct order for wavelengths of light absorbed in the complex ions
[CoCl(NH3)5]2+, [Co(NH3)6]3+, [Co(CN)6]3- is
In set of reactions, identify D
Chemical Reactions
Arrange benzene, n-hexane and ethyne in decreasing order of their acidic behaviour
Homoleptic complexes among the following are
(A) K3[Al(C2O4)3], (B) [CoCl2(en)2]+, (C) K2[Zn(OH)4]
The correct statement regarding defects in solid is
Which of the following is an incorrect statement ?
The major product of the following reaction is CH2 = CH - CH2 - OH product
The number of six membered and five membered rings in Buckminster Fullerence respectively is
Chemical Equation
A, B and C respectively are
Which of the following compound on heating gives N2O ?
For the reaction A(g) + B(g) ⇌ C(g) + D(g); ΔH = -QKJ
The equilibrium constant cannot be disturbed by
The number of angular and radial nodes in 3p orbital respectively are
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
The correct IUPAC name of
Compound
Ka values for acids H2SO3, HNO2, CH3COOH and HCN are respectively 1.3 × 10-2, 4 × 10-4, 1.8 × 10-5 and 4 × 10-10, which of the above acids produces stronger conjugate base in aqueous solution ?
An organic compound ‘X’ on treatment with PCC in dichloromethane gives the compound Y. Compound ‘Y’ reacts with I2 and alkali to form yellow precipitate of triiodomethane. The compound X is
The vapour pressure of pure liquids A and B are 450 and 700 mm of Hg at 350 K respectively. If the total vapour pressure of the mixture is 600 mm of Hg, the composition of the mixture in the solution is
For the crystal field splitting in octahedral complexes,
Compound(Major product)
The compound A (major product) is
The correct order of boiling point in the following compounds is
Which of the following pairs has both the ions coloured in aqueous solution? [Atomic numbers of Sc = 21, Ti = 22, Ni = 28, Cu = 29, Mn = 25]
Henry’s law constant for the solubility of N2 gas in water at 298K is 1.0 × 105 atm. The mole fraction of N2 in air is 0.8. The number of moles of N2 from air dissolved in 10 moles of water at 298K and 5 atm pressure is
A hydrocarbon A (C4H8) on reaction with HCl gives a compound B (C4H9Cl) which on reaction with 1 mol of NH3 gives compound C (C4H10N). On reacting with NaNO2 and HCl followed by treatment with water, compound C yields an optically active compound D. The D is
The property of the alkaline earth metals that increases with their atomic number is