List of top Chemistry Questions

The hydrocarbon that cannot be prepared effectively by the Wurtz reaction is:

The oxidation number of Cr in \(CrO_5\) which has the following structure, is: 

Arrange stability of the given carbon cation in decreasing order: 

Which of the following series of transitions in the spectrum of hydrogen atom fall in the visible region?
The Lyman series of hydrogen spectrum lies in which region?
Which of the following conditions are favourable for chemisorption?
The value of \( \Delta G^\circ \) for the phosphorylation of glucose in glycolysis is 13.8 kJ/mol. The value of \( K_C \) at 298 K is:
Calculate the difference between \(C_p\) and \(C_v\) for 10 moles of an ideal gas:
Find the compound which has both polar and non-polar covalent bonds:
Arrange the hydrides of group 15 in correct decreasing order of reducing nature:
What would be the molarity of one litre solution of 22.2 g of CaCl\(_2\)?
Which of the following particulate matter is emitted from vehicles?
For decolourisation of 1 mole of KMnO\(_4\), the moles of H\(_2\)O\(_2\) required is:
What is the IUPAC name of the following compound? \[ \text{HC}= \text{C} - \text{C} = \text{CH} \]
The density of a gas A is thrice that of a gas B at the same temperature. The molecular weight of gas B is twice that of A. What will be the ratio of pressure acting on B and A?
The specific conductivity of a solution containing 1.0 g of anhydrous BaCl\(_2\) in 200 cm\(^3\) of the solution has been found to be 0.0058 Scm\(^{-1}\). The molar and equivalent conductivity of the solution respectively are:
Which of the following is the correct order of their increasing boiling points?
Which of the following is most stable?
Which type of ligand is EDTA?
For the reaction \(2N_2O_5 \rightarrow 4NO_2 + O_2\), rate constant \(k = 4.48 \times 10^{-5} \, \text{s}^{-1}\) and the initial pressure is 600 atm. After 10 min, determine the final pressure of \(N_2O_5\):
The vacant space in the bcc lattice cell is:
The change in the energy of the system if 500 cal of heat energy are added to a system and the system does 350 cal of work on the surroundings will be:
Why do ketones and carboxylic acids have higher boiling points as compared to aldehydes?
Which of the following is not an antacid?
In the chemical reaction, \[ \text{N}_2 + 3\text{H}_2 \rightleftharpoons 2\text{NH}_3 \text{ at equilibrium point.} \] Which statement is correct?