List of top Chemistry Questions

Which among the following reaction produces lime water?
Identify the product B in the following reaction
\[ {CH3COOH + C2H5OH →[H^+][-H2O] A →[H2/Ni] B} \]
In the following reaction the reagent A is,
\[ {Ar-N2^+X^- →[A] Ar-N2^+BF4^- →[\Delta] Ar-F + BF3 + N2} \]
In case of substituted aniline the group which decreases the basic strength is
Which of the following is NOT dihydric phenol?
For the reaction,
\[ C_2H_5OH(l) + 3O_2(g) \rightarrow 2CO_2(g) + 3H_2O(l) \] Which among the following is true?
Which mineral among the following contains zinc?
Isochor is the graph plotted between
Which of the following oxyacids of sulphur contain S–O–S linkage?
Which among the following is an example of pseudo first order reaction?
Van’t Hoff factor for $K_3[Fe(CN)_6]$ is $3.333$. What is its percentage dissociation in water?
Which of the following is a Wolff–Kishner reduction?
Identify the mineral of iron from the following.
Which among the following groups has lowest priority in assigning R,S convention?
Which of the following set of compounds does NOT demonstrate the law of multiple proportion?
Which of the following has intramolecular hydrogen bonding?
Which cation from the following does NOT form a colourless compound? (Atomic number: Cu = 29, Ti = 22, Zn = 30, Sc = 21)
Which of the following properties is NOT a colligative property?
Which of the following salts of same concentration will have the same value of van't Hoff factor as that of \( K_4[Fe(CN)_6] \)?
What mass of water is formed when 1 mole of methane gas reacts with 2 moles of oxygen under identical conditions in their standard states?
Which among the following compounds does not exhibit resonance?
IUPAC name of \( \text{H}_2\text{N-CH}_2\text{C=CH}_2 \) is
The standard emf of Daniell cell is 1.10 volt. What is the maximum electrical work obtained from Daniell cell?
Which among the following gases is difficult to liquefy?
Gold crystallises in fcc structure with edge length 396 pm, find atomic radius of gold?