List of top Chemistry Questions asked in Guru Gobind Singh Indraprastha University Common Entrance Test

The following equations indicate reactions that occur spontaneously.
Fe(s) + NiCl$_2$(aq) $\rightarrow$ FeCl$_2$(aq) + Ni(s)
Zn(s) + FeCl$_2$(aq) $\rightarrow$ ZnCl$_2$(aq) + Fe(s)
Ni(s) + PbCl$_2$(aq) $\rightarrow$ NiCl$_2$(aq) + Pb(s)
Which is the increasing order of the reactivity of the metals?
What is the oxidation state of sulfur in HSO$_4^{-}$?
Gas A decomposed according to the following reaction:
A(g) $\rightarrow$ B(g) + C(g)
A student conducted an experiment and determined that the equilibrium pressure of gas A was 0.20 P, where P was the total pressure of the system. What is the equilibrium constant $K_p$ for this reaction?
What is the molality of a 10% (by weight) C$_6$H$_{12}$O solution (molecular weight = 90)?
A 25 mL sample of hard water is titrated with a 0.001 M solution of EDTA, and the end point of the titration is reached at 50 mL of EDTA added. What is the concentration of Ca$^{2+}$ and Mg$^{2+}$ ions in solution?
2CrO$_4^{2-}$ + 3SnO$_2^{2-}$ + H$_2$O → 2CrO$_2^{-}$ + 3SnO$_3^{2-}$ + 2OH$^{-}$
How many moles of OH$^{-}$ form when 50.0 mL of 0.100 M CrO$_4^{2-}$ is added to a flask containing 50.0 mL of 0.100 M SnO$_2^{2-}$?
Which of the following compounds will give racemic mixture on nucleophilic substitution by OH$^{-}$ ions?
In aqueous solution Cu(+1) salts are unstable because
Which of the following statements is most likely true concerning the given reaction?
2A(g) + B(g) → 2C(g) + D(s)
Which of the following changes to a reaction will always increase the rate constant for that reaction?
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
Name the given compound : Cu(ClO$_4$)$_2$
Which statement about the bonding between carbon atoms is correct?
Which of the following compound in its anionic form is aromatic.
A 13 g gaseous sample of an unknown hydrocarbon occupies a volume of 11.2 L at STP. What is the hydrocarbon?
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?
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?
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?
Which of the following periodic properties increases with increasing atomic number within a family in the periodic table?
Which of the following demonstrates non-ideal behaviour of a gas?
Which of the following is true for an electrolytic cell?
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,
\[ 3\text{Zn}(s) + 2\text{Cr}^{3+}(aq) \rightarrow 3\text{Zn}^{2+}(aq) + 2\text{Cr}(s) \]
Using the above information, determine the standard reduction potential for the following reaction,
\[ 2M(s) + 3Zn^{2+}(aq) \rightarrow 2M^{3+}(aq) + 3Zn(s); \quad E^\circ = 0.90V \] \[ Zn^{2+}(aq) + 2e^- \rightarrow Zn(s); \quad E^\circ = -0.76V \]
What type of intermolecular bonding occurs in gaseous CH$_4$?
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 ?