List of top Chemistry Questions asked in KCET

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?
Higher order (>3) reactions are rare due to
Peroxide effect is observed with the addition of HBr but not with the addition of HI to unsymmetrical alkene because
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
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
The reagent which can do the conversion $CH _{3} COOH \longrightarrow CH _{3}- CH _{2}- OH $ is
Which of the following is not true for oxidation?
Choose the correct statement
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
The correct IUPAC name of
Which of the following does not represent property stated against it?
Which one of the following is correct for all elements from $Sc$ to $Cu$ ?
Which of the following is an incorrect statement?
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
$K _{ u }$ values for acids $H _{2} SO _{3}, HNO _{2}, CH _{3} COOH$ and $HCN$ are respectively $1.3 \times 10^{-2}, 4 \times 10^{-4}, 1.8 \times 10^{-5}$ and $4 \times 10^{-10}$, which of the above acids produces stronger conjugate base in aqueous solution?
Which of the following is not true for oxidation?
The method by which aniline cannot be prepared is
Permanent hardness cannot be removed by
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
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