List of top Questions asked in IPU CET

Which of the following statements is not correct?
Consider the following reaction sequence of alkene. \[ \text{CH}_3\text{CH} = \text{CH}_3 \xrightarrow{\text{O}_3} A \xrightarrow{\text{H}_2\text{O}} B \] What is the product B?
Which of the following transition of an electron in H-atom will emit maximum energy?
Which of the following compounds produces the most heat per mole of compound when reacted with oxygen?
The correct set of quantum numbers for an element (Z=17) for the unpaired electron will be
What is the bond angle between Cl-O-Cl in Cl\(_2\)O\(_7\)?
A metal rod is in thermal contact with the two heat reservoirs both at constant temperature, one at 100K and the other at 200K. The rod conducts 1000 J of heat from the warmer to the colder reservoir. If no energy is exchanged with the surroundings, what is the total change of entropy?
When a sample of aluminium of unknown mass was subjected to 1.8 kJ of heat, the temperature of the aluminium sample increased from 26°C to 31°C. What was the mass of the sample? (specific heat of Al = 0.90 J/g°C)
100 g of O2 and 100 g of He(g) are in separate containers of equal volume. Both gases are at 100°C. Which one of the following statements is true?
The atomic radius of Ne is
Which of the following is used as a food preservative?
Which of the following statement is applicable for the Tyndall effect?
On reduction of glycolic acid with HI, the product formed is
Which of the following flux is used to remove acidic impurities in metallurgical processes?

A cell has been set up as shown in the following diagram and E$^0$ has been measured as 1.00V at 25°C. Calculate $\Delta$G$^0$ for the reaction.

Which of the following is the correct Lewis structure for the ionic compound Ca(ClO2)2?

For the reactions \(C + O2 \rightarrow CO2\); \(\, \Delta H = -393 \, \text{kJ} 2Zn + O2 \rightarrow 2ZnO\), \(\, \Delta H = -412 \, \text{kJ}\) \(\text{the correct statement is:}\)

The decreasing order of reactivity towards electrophilic addition of the following is: I. CH = CH
II. CH_2 = CH_2
III. H_2C = CH - Cl
An aqueous solution of 2% (wt/wt) non-volatile solute exerts a pressure of 1.004 bar at the boiling point of the solvent. What is the molecular mass of the solute?
The value of \[ \lim_{x \to 0} \int_0^x \sec^2 t \, dt \] is:
The expression \[ \left| (a + 1)^2 \, (b + 1)^2 \, (c + 1)^2 \right| \] is equal to
For all \( n \in \mathbb{N}, 72n - 48n - 1 \) is divisible by

The inverse of matrix \[ \begin{pmatrix} 0 & 1 & -1 \\ 4 & -3 & 4 \\3 & -3 & 4 \end{pmatrix} \] is

The solution of the differential equation \[ \frac{d^2y}{dx^2} + 3y = -2x \] is

Let $x_1$ and $x_2$ be the roots of the equation $ax^2 + bx + c = 0$ ($ac \neq 0$). Find the value of $\frac{1}{x_1} + \frac{1}{x_2}$.