List of top Chemistry Questions

What will be the longest wavelength line in Balmer series of spectrum?
The isotonic solutions have equal:
What happens when chloroform is left open in air in the presence of sunlight?
Arrange the following compounds in order of increasing dipole moment, toluene (I), m-dichlorobenzene (II), o-dichlorobenzene (III),p-dichlorobenzene (IV)
The ratio between the root mean square speed of $H_2$ at 50 K and that of $O_2$ at 800 K is
Which of the following is not an explosive?
The reaction, $ {{C}_{6}}{{H}_{5}}{{N}_{2}}Cl\xrightarrow{C{{u}_{2}}C{{l}_{2}}/HCl}{{C}_{2}}{{H}_{5}}Cl+{{N}_{2}}\uparrow $ is called:
The conjugate acid of $ C{{H}_{3}}N{{H}_{2}} $ is:
The percentage of oxygen in $NaOH$ is
Which of the following has the maximum number of unpaired electrons ?

The orbitals are called degenerate when:

Which of the following is the correct representation of relative lowering of vapour pressure?
$^{27}_{13}AI$ is a stable isotope, $^{29}_{13}AI$ is expected to decay by
The rate, at which a substance reacts, depends upon its
The number of moles of water present in $180\, gm$ of water is
Avogadro?? number of oxygen atom weighs
The law of electrolysis were given by:
Which of the following indicator is known as metal indicator?
Ostwald�s dilution law is applicable to only
Which of the following does not have S-S bond?
The second most electronegative element is:
Out of molality (m), molarity (M), formality (F), normality (N) and mole-fraction (x), the two quantities, independent of temperature, are:
A 3d-electron having spin quantum number, $ s=+\frac{1}{2}, $ can have a magnetic quantum number:
Which of the following is a sulphide ore?
Which of the following is not correct about transition metals ?