List of top Questions asked in CUET (PG)

When the elements react to form compounds, a negative free energy change (\(\Delta G\)) means

(A) Spontaneous reaction
(B) Free energy of the products is higher than that of reactants
(C) Very high activation barrier
(D) Exergonic reactions
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How do eukaryotic genome differ from prokaryotic genomes?
The centre of negative charge distribution in a molecule may or may not coincide with the centre of the positive charge distribution. If it does not coincide, each molecule has a permanent dipole moment. Such materials are called
Reaction of alkanes with halogens such as chlorine and bromine proceeds through.......

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The Russian Chemist, Mendeleev, is remembered for organizing the elements into periodic table. He received many honours, the greatest of which is having an element named after him. Element Mendelevium.
Arrange the following in the order of increasing first ionization energy
(A) Beryllium (Be)
(B) Boron (B)
(C) Lithium (Li)
(D) Carbon (C)
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Which of the following set consists of only planar species?
An s-orbital may combine with p-orbital provided that lobes of p-orbital are
On descending the group from Li to Na to K to Rb to Cs

(A) Metallic radius increases
(B) Melting point and boiling point decrease
(C) Density decreases
(D) Ionization energy decreases
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The packing fraction of a crystal structure is 74%. The crystal structure is
Which of the following exists as a covalent crystal in the solid state?

(A) Sulphur
(B) Iodine
(C) Phosphorus
(D) Silicon
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Ionic compounds are

(A) Made up of positive and negative ions and attraction between ions is electrostatic
(B) Ionic bonds are non-directional
(C) Melting point and boiling point are usually low
(D) Usually soft
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The third law of thermodynamics relates to

1. The entropy of a perfect crystal at absolute zero temperature.
2. The relation between work and heat.
3. Evolution of entropy of a system with time.
4. Conservation of mass.
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If an element of high electronegativity combines with an electropositive metal then the product will be
Each individual antigenic determinant of the variable region of the antibody is referred to as:
Acetophenone and Benzaldehyde can be distinguished by:
(A) Tollen's reagent
(B) DNP test
(C) Iodoform test
(D) Carbylamine test
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Which of the following is not a characteristic of a catalyst?
Which of the following is not the unit of energy?
For the given carbon resistor, the resistance is \(2.4 \times 10^6 \, \Omega\). The sequence of colours in the strips provided on resistor is
If no thermal energy is developed as the charge goes through the battery, then such a battery is called
Barr body is found in