List of top Chemistry Questions

Which of the following is the correct order of acidic strength for the following compounds: HNO\(_3\), HClO\(_4\), and HClO\(_3\)?
Compare boiling point of given solutions:
(i) \( 10^{-4} \) NaCl
(ii) \( 10^{-3} \) NaCl
(iii) \( 10^{-2} \) NaCl
(iv) \( 10^{-4} \) urea
Find the dimensions of \( \frac{B}{\mu_0} \)
For \([ \text{NiCl}_4 ]^{2-}\), what is the charge on the metal and shape of the complex respectively?
Hardness of water is due to the presence of:
An organic compound contains carbon = 38.71%, Hydrogen = 9.67% and Oxygen. The empirical formula of the compound would be:
\( F_2C = CF_2 \) is a monomer of:
10.0 gm \( \text{CaCO}_3 \) on heating gave 5.6 gm of \( \text{CaO} \) and 4.4 gm of \( \text{CO}_2 \), given data support the law of:
In which of the following compounds does the oxidation number of oxygen equal +2?
Cracking is a process used for change in:
Amount of copper deposited on the cathode of an electrolytic cell containing copper sulphate solution by the passage of 2 amperes for 30 minutes (At. mass of Cu = 63.5):
Real gas behaves like an ideal gas at:
Which of the following order of ionic radii is correctly represented?
The rate of diffusion of a gas is \( r \) and its density is \( d \), then under similar conditions of pressure and temperature:
Detergents are the salt of:
Among the following, which is an ionic hydride?
Which catalyst is used in oxidizing \( NH_3 \) in Ostwald's process?
In the following reaction: \[ SO_2 + 2H_2S \rightarrow 3S + 2H_2O \] Which of the following statements is correct?
Essential constituent of an amalgam is:
An example of thermosetting plastic is:
Equivalent weight of a dibasic acid is 12. Its molecular weight is:
Hydrocarbon used for welding purposes is:
Which of the following types of drugs reduces fever?
Which among the following pairs are not having the same number of total electrons?
Electronic configuration of copper can be represented as: