List of top Questions asked in COMEDK UGET

For the reaction \(2N_2O_5 \rightarrow 4NO_2 + O_2\), rate constant \(k = 4.48 \times 10^{-5} \, \text{s}^{-1}\) and the initial pressure is 600 atm. After 10 min, determine the final pressure of \(N_2O_5\):

The vacant space in the bcc lattice cell is:

In the chemical reaction, \[ \text{N}_2 + 3\text{H}_2 \rightleftharpoons 2\text{NH}_3 \text{ at equilibrium point.} \] Which statement is correct?

The change in the energy of the system if 500 cal of heat energy are added to a system and the system does 350 cal of work on the surroundings will be:

Why do ketones and carboxylic acids have higher boiling points as compared to aldehydes?

Which of the following is not an antacid?

Which of the following colloids resemble the true solutions?

Which of the following options represent the correct composition of Dettol?

Xerophthalmia disease is caused by which deficiency of vitamin?

The chemical formula of Hinsberg's reagent is:

The increasing order of atomic radii of the following group 13 elements is:

The melting of ice:

Find the final product for the reaction: \[ \text{C}_6\text{H}_5\text{CHO} + \text{CH}_3\text{CO}\text{C}_6\text{H}_5 \xrightarrow{\text{OH}^-, 293 K} \text{Product} \]

Given that molar conductances for \(Ba(OH)_2\), \(BaCl_2\) and \(NH_4Cl\) are 523.28, 280.0 and 129.8 \( \Omega^{-1}cm^2mol^{-1} \), respectively. What is the molar conductivity \( \Lambda \) of \(NH_4OH\) at this temperature will be:

Identify the pair of gases that have equal rates of diffusion:

The reducing agent which is used to reduce iron oxide in blast furnace is:

Arrange the following artificial sweetening agents in order of increasing sweetness: \[ \text{Aspartame, Saccharin, Sucralose, Acesulfame} \]

Coupling reaction is an example of:

For the equilibrium, \[ 2NOCl (g) \rightleftharpoons 2NO (g) + Cl_2 (g) \] The value of the equilibrium constant, \( K_c \), is \( 3.75 \times 10^{-6} \) at 1069 K. The value of \( K_p \) for the reaction at this temperature will be:

Among the following enzymes, which one is involved in the given below catalytic reaction? \[ C_6H_{12}O_6 (aq) \rightarrow 2C_2H_5OH (aq) + 2CO_2 (g) \]

How much part of any corner atom actually belongs to a particular unit cell?

Which of the following pairs of ions are iso-electronic and iso-structural?

Which of the following is correct mixture of azeotrope?

Rate constant \( K \) of a reaction has least value at

In 3d-transition series, which one has the least melting point?