List of top Chemistry Questions asked in KCET

The rise in boiling point of a solution containing 1.8 g of glucose in 100 g of solvent is 0.1 degree C. The molal elevation constant of the liquid is
If 3 g of glucose (Molar mass = 180) is dissolved in 60 g of water at 15 degree, the osmotic pressure of the solution will be
A first order reaction is half completed in 45 min. How long does it need 99.9% of the reaction to be completed?
In fuel cell ___ are used as catalysts.
The molar conductivity is maximum for the solution of concentration
Identify A and B in the reaction
Identify A and B in the reaction
In which of the following compounds, an element exhibits two different oxidation States ?
The IUPAC name for
Element X, Y and Z have atomic number 19, 37 and 55 respectively. Which of the following statements is true about them
Amphoteric Oxide among the oxide
Which property of CO2 makes it biologically and geo-Chemically important?
In oxygen and carbon molecule the bonding is
Which of the following hybrides electron deficient?
Which institute has approved the emergency use of 2-deoxy-D-Glucose as additive therapy for Covid -19 patients?
Which is the most VISCOUS?
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)
If the wavelength of photon is \(2.2 \times 10^{-11}\) and \(h = 6.6 \times 10^{-34} \, \text{Js}\). Then momentum of photon
The Volume of 2.8 g CO at 27 degree C and 0.821 atm pressure is (R = 0.08210 Lit. atm \(\text{K}^{-1} \text{mol}^{-1}\))
Reaction by which benzaldehyde can not be prepared is

A nucleic acid whether DNA or RNA on complete hydrolysis, two purine bases, two pyrimidine bases, a pentose sugar and phosphoric acid.Nucleotides which are intermediate products in the hydrolysis contain 

Which of the following colligative properties can provide molar mass of Proteins, Polymers and colloids with greater precision? 

Which among the following has highest pH?

How many number of atoms are there in a cube based unit cell, having one atom on each corner and two atoms on each body diagonal of cube? 

For a reaction A + 2B → Products, when concentration of B alone is increased half life remains the same. If concentration of A alone is doubled, rate remains the same. The unit of rate constant for the reaction is