List of top Questions asked in IPU CET

In a sodium-sulphur battery, what is the half reaction for sodium in the spontaneous direction?
Which of the following is not a true statement about ozone?
Benzene and toluene combine to form an ideal solution. At 80°C, vapour pressure of pure benzene is 800 mmHg and the vapour pressure of pure toluene is 300 mmHg. If the vapour pressure of the solution is 400 mmHg, what are the mole fractions of benzene and toluene?
Which of the following statements about halogens are correct?
Terylene is a condensation polymer of ethylene glycol and
The correct increasing order of solubility of sulphates in water is:

Consider the following reactions, C(s) + O2(g) → CO2(g), \(\Delta\) H = -94\(\text{ kcal}\) 2CO(g) + O2 → 2CO2(g), \(\Delta\) H = -135.2\(\text{ kcal}\) Then, the heat of formation of CO (g) is:

Which one of the following is the correct statement?
Silica is a network solid of silicon and oxygen atoms. The empirical formula for silica is SiO₂. In silica, to how many oxygen atoms is each silicon bonded?
Bakelite is obtained by reaction of phenol with
Curve X on the graph below shows the volume of oxygen formed during the catalytic decomposition of a 1.0 mol dm$^{-3}$ solution of hydrogen peroxide.

Which change would produce the curve Y?
The ozone layer forms naturally by
A catalyst will change all of the following except
Select the incorrect statement.
From the following which pairs give the faster SN2 reaction?
Which of the following relation is correct for gaseous and reversible reactions?
Compound A undergoes the following reaction to form B and C: \[ \text{KNO}_3 + \text{KOH} \to \text{Black coloured solid} (A) \xrightarrow{\text{heated}} \text{Green coloured solid B} + \text{Pink solution + A} (\text{C decolorised by Fe}^{2+}) \] Identify A, B, and C respectively

\(NH_3\) molecule attract \(H^+\) ion towards itself to form ammonium ion \({NH}_4^+\) through:

\(2HC = CH_2\text{Cl}_2 \xrightarrow{\text{A}} \text{NH}_4\text{Cl}\) \(\xrightarrow{\text{B}}\) \(\text{Identify the compounds A and B}\)

A work is done on the system such that one mole of an ideal gas at 400K is compressed isothermally and reversibly to 1/10th of its original volume. The amount of (use R=2 cal) work done will be
The process involves smelting is
Consider the following mechanism, \[ \text{Cl} + \text{O}_3 \rightarrow \text{ClO} + \text{O}_2 \] \[ \text{ClO} + \text{O} \rightarrow \text{Cl} + \text{O}_2 \] In this mechanism, what is the catalyst?
Rate of dehydration of alcohols follows the order
As temperature is increased, the equilibrium of a gaseous reaction will always
The metallic sodium dissolved in liquid ammonia to form a deep blue colour solution. The deep blue colour is due to the formation of