Chemistry Challenge Quiz
Chemistry Challenge Quiz
Test your knowledge of chemistry with our engaging quiz designed for students and enthusiasts alike! Answer 12 multiple-choice questions that cover various fundamental concepts in chemistry.
Join now and see how well you understand:
- Catenation and elemental properties
- Hydration enthalpy and ions
- Oxidation processes and photoelectric effects
The element which does not show catenation is:
Carbon
Silicon
Germainum
Lead
Which of the following ion has the highest hydration enthalpy??
Li+
Na+
K+
Rb+
Oxidation involves :
Addition of hydrogen
Addition of electronegative element
Addition of electron
Addition of electropositive element
In photoelectric effect, the kinetic energy of photoelectrons increases literally with the:
Wavelength of incident light
Frequency of incident light
Velocity of incident light
Atomic mass of an element
BCl3 is a planar molecule whereas NCl3 is pyramidal because:
Nitrogen atom is smaller than boron atom
BCl3 has no lone pair of electrons whereas NCl3 has a lone pair of electrons
N-Cl bond is more covalent than B-Cl bond
Which of the following parameters is temperature dependent??
Molarity
Mole Fraction
Weight percentage
Molality
Select the compound in which chlorine shows oxidation state is +7
HClO4
HClO3
HClO2
HClO
The atomic number of the element Unibinilium is:
420
120
123
102
Which is correct about ∆G:
It is negative for non spontaneous process
It is zero for a reversible process
It is positive for spontaneous process
It is zero for a spontaneous process
The catalyst used in Friedel- Crafts reaction is:
Aluminium chloride
Ferric Chloride
Anhydrous Aluminium Chloride
Copper
Equal volume of all gases contain equal number of molecules at constant temperature and pressure. This is stated by:
Avagadro's Law
Boyle's law
Gay Lussac Law
Charlies Law
Under what conditions a gas follow ideal gas equation:
High pressure and low temperature
High pressure and high temperature
Low pressure and high temperature
Low pressure and low temperature
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