List of top Questions asked in COMEDK UGET

In the given Redox equation, identify the stoichiometric coefficients w, x, y, and z.
The given equation: \[ \text{ClO}_3^{-} + w\text{Cl}^{-} + x\text{H}^{+} \rightarrow y\text{H}_2\text{O} + z\text{Cl}_2 \]

In the following question, Assertion (A) is given followed by a statement of Reason (R). Choose the correct answer.
Assertion (A): $\pi (2p_{z}), \pi (2p_{y}), \pi^{*} (2p_{z}), \pi^{*} (2p_{y})$ molecular orbitals have one nodal plane each.
Reason (R): All the molecular orbitals formed by the sideways overlapping have one nodal plane.

Given below are graphs showing the variation in velocity constant with temperature on the Kelvin scale. Identify the graph which represents the Arrhenius equation.

Match the Coordination compounds given in Column I with their characteristic features listed in Column II.

Choose the correct order of increasing acidic strength of the following compounds.

Which of the following will show geometrical isomerism?

What would be the products obtained when a mixture of p-Methoxy benzaldehyde and Methanal are heated with 50% concentrated Caustic soda solution?

Identify the compounds A, B, C, and (D):

Mg(OH)$_2$ is used as an antaci(D) If a person, suffering from acidity, produces 2.5 L of Gastric juice in a day, approximately how many antacid tablets, each containing 600 mg of Mg(OH)$_2$, will be required to completely neutralize the whole HCl produced in the stomach in one day? (Gastric juice contains 3.0 g of HCl per L). (Atomic masses: Mg = 24 g/mol, O = 16 g/mol, and H = 1 g/mol.)

Match the items in Column I with their description in Column II:

Identify the final product formed during the course of the given reactions.
% Reaction given Pentan-2-one $\xrightarrow{\text{NaCN/HCl}} [X] \xrightarrow{\Delta, 95% H_2SO_4} [Y]$

Which one of the following will give a positive result when it is warmed with Chloroform and alcoholic solution of KOH?

Choose the incorrect statement:

Choose the incorrect statement.

The group number of the element in the periodic table with the electronic configuration $(n - 1)d^2 ns^2$. For $n = 4$ is:

Match the details given in Column I with those given in Column II:

Para and ortho hydrogen differ in:

The conversion of Propyne to Benzene can be brought out in 4 steps.
Choose the reagents to be used, in the proper sequential order, to bring out the conversion.

Identify the reagents X, Y and Z used to bring out the following reactions.

What is the mole fraction of solute in a 5 m aqueous solution?

A proton having mass equal to $1.66 \times 10^{-27}$ kg is accelerated to one tenth of the velocity of light. If its velocity can be measured to an accuracy of $\pm 2%$, what would be the uncertainty in its position?

For a reaction of the type, $ 2X + Y \rightarrow A + B $, the following is the data collected:

If electrolysis of water is carried out for a time duration of 2 hours, how much electric current in amperes would be required to liberate 100 ml of O$_2$ gas measured under standard conditions of temperature and pressure?

Select the strongest base from the given compounds:

The equilibrium constants for the reactions a, b, and c are as given:
a) N$_2$ + 3H$_2$ = 2NH$_3$ : K$_1$
b) N$_2$ + O$_2$ = 2NO : K$_2$
c) 2H$_2$ + O$_2$ = 2H$_2$O : K$_3$
What would be the equilibrium constant for the reaction:
4NH$_3$ + 5O$_2$ = 4NO + 6H$_2$O; K$_x$