List of top Chemistry Questions

How many grams of Albumin and Aspirin will be required to set a reaction between one millimole of Albumin and 0.5 millimole of Aspirin? Given the molecular weight of Albumin is 67,000 Da and that of Aspirin is 180 Da.
Which one of the following statements is NOT correct?
Which of the following 2 compounds exhibit both Geometrical and Structural isomerism?
A = $[Co(NH_3)_4Cl_2]NO_2$
B = $[Co(NH_3)_4Br]SO_4$
C = $[Co(NH_3)_3(NO_2)_2]$
D = $[Cr(H_2O)_6]Cl_3$

What mass of Silver chloride, in grams, gets precipitated when 150 ml of 32% solution of Silver nitrate is reacted with 150 ml of 11% Sodium chloride solution?
Atomic mass in g/mol: Ag = 108, Na = 23, Cl = 35.5, N = 14, O = 16.

Arrange the following compounds in the increasing order of their reactivity when each of them is reacted with chloroethane / anhydrous AlCl₃.

Identify the pair of molecules in which one of them is a molecule with an odd electron and the other has an expanded octet.
In the estimation of element X in an organic compound, 0.8 g of the compound containing X was heated with fuming HNO₃ and the cooled product was treated with barium chloride. The mass of barium sulphate precipitated was 1.2 g. What is the percentage of element X and what is the formula of the violet-coloured compound formed when Lassaigne's extract of the organic compound is treated with sodium nitroprusside?
What is/are the product/s formed when Benzaldehyde and Ethanal react in the presence of dil. NaOH followed by heating the intermediate product formed?
Given are the names of 4 compounds. Two of these compounds will not undergo Cannizzaro's reaction. Identify the two.
Identify the product [C] formed at the end of the reaction below: $ 1,1,2,2-\text{Tetrabromopropane} + 2 \text{Zn (s)}/ \text{Ethanol} \rightarrow [B] $ $ [B] + 2 \text{moles of HBr} \rightarrow [C] $
What is the final concentration of NaCl upon mixing 10 ml of 10 mM NaCl with 990 ml of 10 mM NaCl?
Animal gut does NOT possess the enzymes required for digesting
Which of the following pair of monosaccharides contains epimers of each other?
Which law of thermodynamics states that "energy of an isolated system is constant"?
Corrosion of silver results in the formation of
Possible number of isomers including stereoisomers for an organic compound with the molecular formula \( C_4H_9Br \) is:
If pH of rain water is less than ____ ,then it is called acid rain.
Which one of the following can be used as acid-base indicator to detect acidic or basic nature of solution?
Identify the correct statement.
Linus Pauling proposed the concept of
Aliphatic hydrocarbons are
Saturated hydrocarbons contain
The maximum number of electrons in M shell is
Which of the following orbitals does not exist?
Niels Bohr received Nobel Prize in