List of top Chemistry Questions

Observe the following equilibrium $$\text{Fe}^{3+}(aq) + \text{SCN}^-(aq) \rightleftharpoons [\text{Fe(SCN)}]^{2+}(aq)$$ yellow \hspace{1cm colourless \hspace{1cm} deep red}
Addition of aqueous oxalic acid solution to the above equilibrium
Among the following, the incorrect statement is:
The compounds having coordinated water are:
I. CrCl$_3$.6H$_2$O
II. BaCl$_2$.2H$_2$O
III. CuSO$_4$.5H$_2$O
Which of the following reactions is not correct?
The following data is obtained for one mole of a gas. The gas behaves as an ideal gas in the pressure range (in bar)
gas behaves as an ideal gas
The hybridization of central atom of ClF$_3$, NH$_3$, SO$_3$ are respectively
x g of methane was burnt completely in the presence of oxygen. The liberated gases were passed into a solution containing 370 g of Ca(OH)$_2$. The weight of white precipitate obtained was 500 g. What is the value of x (in g)? (Given : C = 12; H = 1; Ca = 40; O = 16 u)
At T (K), a gaseous mixture of H$_2$ and O$_2$ containing 20% (weight/weight) of H$_2$ exerts a total pressure of 2 bar. What is the partial pressure of O$_2$ (in bar)?
The number of extensive and intensive properties in the following list is respectively: Mass, temperature, pressure, enthalpy, heat capacity, internal energy, density
If one litre of an ideal gas at a pressure of 20 atm expands isothermally and reversibly to a final volume of 'X' L by absorbing 92.12 L.atm heat, 'X' (in L) is
The ion with smallest radius among the following is
Match the following
hybridisation
The energy (in J) released when an excited electron of 5$^{\text{th}}$ orbit of hydrogen atom returns to its ground state is
The correct order of the metallic nature of the following elements is
In which of the following, orbitals are correctly arranged in the increasing order of their energies?
What are 'X' and 'Y' in the following reaction?
conc.naoh
The sequence of reagents required to convert aniline to benzene nitrile are
Chlorocyclohexane is
Which of the following are fibrous proteins? Keratin, Insulin, Myosin, Albumin
What are 'X' and 'Y' respectively in the following reaction sequence?
styrene
Which of the following hormones modulate inflammatory reactions?
Correct statements with respect to morphine (X) and Veronal (Y) are
A) Both X and Y are sleep producing agents
B) X is hypnotic and Y is analgesic
C) X is analgesic and Y is hypnotic
D) X is non-narcotic analgesic and Y is antidepressant
Which of the following reagents will convert isobutyraldehyde to the corresponding acid?
Identify the correct statements from the following
I. Brass is an alloy of copper and nickel
II. Bronze is an alloy of copper and zinc
III. German silver is an alloy of copper, zinc and nickel
IV. Brass is an alloy of copper and zinc
Match the following