List of top Chemistry Questions asked in UP JEE Polytechnic

A gas undergoes an isothermal process at 300 K, and its volume increases from 2 L to 4 L. If the initial pressure is 2 atm, what is the work done by the gas? (R = 8.314 J/mol·K, assume 1 mole)
What is the IUPAC name of the compound CH₃-CH₂-CO-CH₃?
For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the equilibrium constant Kc is 0.5 at 400 K. If [N₂] = 0.1 M, [H₂] = 0.2 M, and [NH₃] = 0.05 M, what is the reaction quotient Qc?
Which of the following molecules has a trigonal planar molecular geometry?
An organic compound contains carbon = 38.71%, Hydrogen = 9.67% and Oxygen. The empirical formula of the compound would be:
Cracking is a process used for change in:
Amount of copper deposited on the cathode of an electrolytic cell containing copper sulphate solution by the passage of 2 amperes for 30 minutes (At. mass of Cu = 63.5):
Which of the following compounds can be used as anti-freeze in car radiators?
Which among the following pairs are not having the same number of total electrons?
In which of the following compounds does the oxidation number of oxygen equal +2?
10.0 gm \( \text{CaCO}_3 \) on heating gave 5.6 gm of \( \text{CaO} \) and 4.4 gm of \( \text{CO}_2 \), given data support the law of:
Hardness of water is due to the presence of:
\( F_2C = CF_2 \) is a monomer of:
Which catalyst is used in oxidizing \( NH_3 \) in Ostwald's process?
The rate of diffusion of a gas is \( r \) and its density is \( d \), then under similar conditions of pressure and temperature:
Which of the following order of ionic radii is correctly represented?
Real gas behaves like an ideal gas at:
Detergents are the salt of:
Among the following, which is an ionic hydride?
Equivalent weight of a dibasic acid is 12. Its molecular weight is:
In the following reaction: \[ SO_2 + 2H_2S \rightarrow 3S + 2H_2O \] Which of the following statements is correct?
Essential constituent of an amalgam is:
Which of the following types of drugs reduces fever?
An example of thermosetting plastic is:
Hydrocarbon used for welding purposes is: