List of top Chemistry Questions

The oxidation state of Ni in \( \text{Ni(CO)_4 \) is}
Which of the following elements has electronic configuration \( 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 4d^10 5p^1 \)?
Electrometallurgical process is used for the extraction of which of the following metals?
Which of the following oxides of nitrogen is called laughing gas?
Which of the following metals is generally found in free state?
Which of the following statements is true?
An ore having two different metal atoms is
By which of the following formic acid and formaldehyde can be distinguished?
Formalin is the commercial name of
Chloretone is formed when chloroform reacts with
An aldehyde on oxidation gives
The general molecular formula of saturated monocarboxylic acids is
The IUPAC name of \( \text{CH}_3\text{CH}= \text{CH}_2\text{CHO} \) is
Alkyl halides form ethers by reacting with which of the following?
Isotonic solutions have the same
The electromotive force of the cell \( \text{Zn} | \text{ZnSO}_4 || \text{CuSO}_4 | \text{Cu} \) is 1.1 volts. Its cathode is
Who gave the theory of ionisation?
A charge of 96500 coulomb liberates ............. from the solution of CuSO₄.
The rate of reaction of a substance depends upon
The cell constant of a conductivity cell is
An azeotropic mixture of HCl and \( \text{H}_2\text{O} \) boils at
\( \text{F}_2\text{C} = \text{CF}_2 \) is a monomer of which of the following?
Which of the following is a natural rubber?
Chloramine-T is a/an
A raw material used in making nylon is