List of top Chemistry Questions asked in KCET

The number of angular and radial nodes in 3p orbital respectively are
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
The KH value (K bar) of Argon (I), Carbondioxide (II) formuldehyde (III) and methane (IV) are respectively 40.3, 167, 1.83×10-5 and 0.413 at 298 K. The increasing order of solubility of gas in liquid is
Choose the correct statement
A pure compound contains 2.4g of C, 1.2 × 1023 atoms of H, 0.2 moles of oxygen atoms. Its empirical formula 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
A metal crystallises in BCC lattice with unit cell edge length of 300 pm and density 6.15 g cm-3. The molar mass of the metal is
The correct statement regarding defects in solid is
In Chrysoberyl, a compound containing Beryllium, Aluminium and oxygen, oxide ions form cubic close packed structure. Aluminium ions occupy \(\frac{1}{4}\)th of octahedral voids. The formula of the compound is
The reagent which can do the conversion $CH _{3} COOH \longrightarrow CH _{3}- CH _{2}- OH $ is
Which one of the following is correct for all elements from $Sc$ to $Cu$ ?
Which of the following is not true for oxidation?
The method by which aniline cannot be prepared is
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
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
$K _{ u }$ 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 does not represent property stated against it?
Permanent hardness cannot be removed by
The correct IUPAC name of
Which of the following is not true for oxidation?
Choose the correct statement
Which of the following is an incorrect statement?
The final product R is
The final product R is
The product P is
The product ‘P’ is
Identify ‘X’ in the following reaction
Identify X in the following reaction