List of top Chemistry Questions asked in KCET

The IUPAC name for
4-oxopentanoic acid
Amphoteric Oxide among the oxide
In oxygen and carbon molecule the bonding is
Element X, Y and Z have atomic number 19, 37 and 55 respectively. Which of the following statements is true about them
If the wavelength of photon is \(2.2 \times 10^{-11}\) and \(h = 6.6 \times 10^{-34} \, \text{Js}\). Then momentum of photon
An Aqueous solution of Alcohol contains 18 g of water and 414 g of ethyl alcohol .The mole fraction of water is
The work done when 2 moles of an ideal gas expands reversibly and isothermally from a volume of 1L to 10L at 300 K is (R = 0.0083 kJK mol-1)
The Volume of 2.8 g CO at 27 degree C and 0.821 atm pressure is (R = 0.08210 Lit. atm \(\text{K}^{-1} \text{mol}^{-1}\))
Which is the most VISCOUS?
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]
The number of six membered and five membered rings in Buckminster Fullerence respectively is
In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is
Primary structure in a nucleic acid contains bases as G A T G C …..… The chain which is complementary to this chain is
The property of the alkaline earth metals that increases with their atomic number is
RNA and DNA are chiral molecules, their chirality is due to the presence of
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
Permanent hardness cannot be removed by
The method by which aniline cannot be prepared is

The product B is
Which is the most suitable reagent for the following conversion ?
Chemical Reaction and Compound
Which of the following is not true for oxidation ?
Chemical Reaction
A and C are
The reagent which can do the conversion CH3COOH → CH3 - CH2 - OH is
Chemical Equation
A, B and C respectively are
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 ?