>
Guru Gobind Singh Indraprastha University Common Entrance Test
List of top Questions asked in Guru Gobind Singh Indraprastha University Common Entrance Test
Which statement about the bonding between carbon atoms is correct?
IPU CET - 2016
IPU CET
Chemistry
Carbon Allotropes
Immediately, upon bringing a hot piece of metal into a room, the heat is felt from 5 m away. The type of heat transfer is probably
IPU CET - 2016
IPU CET
Chemistry
Heat Transfer
Equal molar quantities of oxygen and hydrogen gas were placed in container A under high pressure. A small portion of the mixture was allowed to effuse for a very short time into the vacuum in container B. Which of the following is true concerning partial pressures of the gases at the end of the experiment?
IPU CET - 2016
IPU CET
Chemistry
Gas Laws
Given the following notation for an electrochemical cell,
Pt(s) $|$ H$_2$(g)$|$ H$^+$(aq) $//$ Ag$^+$(aq)$|$Ag(s)
Which of the following represents the overall balanced (net) cell reaction?
IPU CET - 2016
IPU CET
Chemistry
Electrochemistry
H$_2$ can be added to ethylene in the presence of a heterogeneous catalyst such as solid. What might account for the initial attraction between the hydrogen molecules and the solid platinum?
IPU CET - 2016
IPU CET
Chemistry
Surface Chemistry
Which of the following periodic properties increases with increasing atomic number within a family in the periodic table?
IPU CET - 2016
IPU CET
Chemistry
Trends in periodic table
Which of the following is true for an electrolytic cell?
IPU CET - 2016
IPU CET
Chemistry
Electrochemistry
Given that
\[ \text{Zn}^{2+}(aq) + 2e^- \rightarrow \text{Zn}(s); \quad E^\circ_{\text{red}} = -0.76\,\text{V} \] \[ \text{Cr}^{3+}(aq) + 3e^- \rightarrow \text{Cr}(s); \quad E^\circ_{\text{red}} = -0.74\,\text{V} \] Calculate the equilibrium constant K at 25°C for the following balanced reaction,
\[ 3\text{Zn}(s) + 2\text{Cr}^{3+}(aq) \rightarrow 3\text{Zn}^{2+}(aq) + 2\text{Cr}(s) \]
IPU CET - 2016
IPU CET
Chemistry
Electrochemistry
What type of intermolecular bonding occurs in gaseous CH$_4$?
IPU CET - 2016
IPU CET
Chemistry
intermolecular forces
Using the above information, determine the standard reduction potential for the following reaction,
\[ 2M(s) + 3Zn^{2+}(aq) \rightarrow 2M^{3+}(aq) + 3Zn(s); \quad E^\circ = 0.90V \] \[ Zn^{2+}(aq) + 2e^- \rightarrow Zn(s); \quad E^\circ = -0.76V \]
IPU CET - 2016
IPU CET
Chemistry
Electrochemistry
If a mole of C$_3$H$_8$ is reacted with 2.5 moles of O$_2$ how many moles of H$_2$O will be produced ?
IPU CET - 2016
IPU CET
Chemistry
Stoichiometry and Stoichiometric Calculations
Which of the following demonstrates non-ideal behaviour of a gas?
IPU CET - 2016
IPU CET
Chemistry
States of matter
Calcium chloride is sometimes sprinkled on winter sidewalks to melt snow and ice. If 333g of calcium chloride is dissolved completely in 1.00 kg of water, what will be the freezing point of the solution? (The molal freezing point depression constant for water is 1.86°C kg/mol)
IPU CET - 2016
IPU CET
Chemistry
Colligative Properties
Which of the following groups contains only atoms that are paramagnetic in their ground state?
IPU CET - 2016
IPU CET
Chemistry
Atomic Structure
Which of the following is the \(K_b\) for the conjugate base of carbonic acid?
IPU CET - 2016
IPU CET
Chemistry
Acids and Bases
The acid dissociation constant for \( HC_6H_7O_6 \) is \( 8.0 \times 10^{-5} \). If a solution contains equal concentrations of \( HC_6H_7O_6 \) and \( C_6H_7O_6^- \), what will be the pH of the solution?
IPU CET - 2016
IPU CET
Chemistry
Buffer Solutions
The molar masses of C, H, A, CHOH, and CHF are very similar. How do their boiling points compare?
IPU CET - 2016
IPU CET
Chemistry
intermolecular forces
The values of all of the following are reversed when a reaction is reversed except
IPU CET - 2016
IPU CET
Chemistry
Thermodynamics
Which of the following solutions is the most concentrated? (assume 1 L of water has a mass of 1 kg)
IPU CET - 2016
IPU CET
Chemistry
Solutions
NaCl dissolves spontaneously in water. Based upon the following reaction,
NaCl(s) $\rightarrow$ Na$^{+}$(g) + Cl$^{-}$(g)
IPU CET - 2016
IPU CET
Chemistry
Thermodynamics
What is the IUPAC name for the following cycloalkane?
IPU CET - 2016
IPU CET
Chemistry
Organic Chemistry
20 g of NaCl is poured into a coffee cup calorimeter containing 250 mL of water. If the temperature inside the calorimeter drops 1°C by the time, the NaCl is totally dissolved, what is the heat of solution for NaCl and water? (specific heat of water is 4.18 J/g°C)
IPU CET - 2016
IPU CET
Chemistry
Thermochemistry
What is the total heat needed to change 1g of water from -10°C to 110°C at 1 atm?
\[ \Delta H_{fusion} = 80 \, \text{cal/g}, \Delta H_{vaporisation} = 540 \, \text{cal/g}, \text{specific heat of ice and steam are 0.5 cal/g°C} \]
IPU CET - 2016
IPU CET
Chemistry
Thermodynamics
Describe the phase change for H$_2$O as pressure is raised at 100°C.
IPU CET - 2016
IPU CET
Chemistry
Thermodynamics
Why can the relative strength of HCl and HClO$_4$ be determined in acetic acid but not in water?
IPU CET - 2016
IPU CET
Chemistry
Acids and Bases
Prev
1
...
21
22
23
24
25
...
27
Next