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IPU CET 2016
List of top Questions asked in IPU CET- 2016
The wavelength of the de-Broglie wave associated with a thermal neutron of mass $m$ at absolute temperature $T$ is given by (here, $K$ is the Boltzmann constant)
IPU CET - 2016
IPU CET
Physics
Waves
What are the units of the constant in the above equation?
IPU CET - 2016
IPU CET
Physics
Dimensional analysis
Which of the following is true for an acid-base concentration cell such as the one used by the pH meter?
IPU CET - 2016
IPU CET
Chemistry
Electrochemistry
A buffer is formed by adding 500 ml of 0.20 M correct to 500 mL of 0.10 M NaC H$_2$O$_2$. What would be the maximum amount of HCl that could be added to this solution without exceeding the capacity of the buffer?
IPU CET - 2016
IPU CET
Chemistry
Buffer Solutions
What is the molality of a 10% (by weight) C$_6$H$_{12}$O solution (molecular weight = 90)?
IPU CET - 2016
IPU CET
Chemistry
Molality and Molarity
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?
IPU CET - 2016
IPU CET
Chemistry
Chemical Kinetics
Which of the following does not show hydrogen bonding?
IPU CET - 2016
IPU CET
Chemistry
Hydrogen Bonding
A man straightens up his room. His action does not violate the second law of thermodynamics because
IPU CET - 2016
IPU CET
Chemistry
Thermodynamics
Which of the following compounds will give racemic mixture on nucleophilic substitution by OH$^{-}$ ions?
IPU CET - 2016
IPU CET
Chemistry
Organic Chemistry
Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?
IPU CET - 2016
IPU CET
Chemistry
Aldehydes And Ketones
Which of the following groups contains only atoms that are paramagnetic in their ground state?
IPU CET - 2016
IPU CET
Chemistry
Atomic Structure
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
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
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 compound in its anionic form is aromatic.
IPU CET - 2016
IPU CET
Chemistry
Aromaticity & chemistry of aromatic compounds
Which of the following changes to a reaction will always increase the rate constant for that reaction?
IPU CET - 2016
IPU CET
Chemistry
Chemical Kinetics
Which statement about the bonding between carbon atoms is correct?
IPU CET - 2016
IPU CET
Chemistry
Carbon Allotropes
The shortest bond would be present in which of the following substances?
IPU CET - 2016
IPU CET
Chemistry
Chemical bonding and molecular structure
The product formed by the condensation reaction of alcohols is
IPU CET - 2016
IPU CET
Chemistry
Organic Chemistry
Which molecular formula is also an empirical formula?
IPU CET - 2016
IPU CET
Chemistry
Chemical bonding and molecular structure
An imaginary metal crystallises in a cubic lattice. The unit cell edge length is 100 pm, (1 pm = $10^{-12}$ m). The density of this metal is 200 g/cm\(^3\). The atomic mass of the metal is 60.2 g/mol. How many of these metal atoms are there within a unit cell?
IPU CET - 2016
IPU CET
Chemistry
Solid State
What is the oxidation state of sulfur in HSO$_4^{-}$?
IPU CET - 2016
IPU CET
Chemistry
Inorganic chemistry
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$_2^{2-}$?
IPU CET - 2016
IPU CET
Chemistry
Stoichiometry and Stoichiometric Calculations
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
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