List of top Chemistry Questions

The major product formed in the following reaction is p
Calculate the equilibrium constant of the following reaction:
\[ \mathrm{Cu_{(s)} + 2Ag^+_{(aq)} \rightarrow Cu^{2+}_{(aq)} + 2Ag_{(s)}}, \qquad E^\circ_{\text{cell}} = 0.46\,V \]
How many Faradays are required to reduce 1 mol of \( Cr_2O_7^{2-} \) to \( Cr^{3+} \) in acidic medium?
Which of the following does not belong to Group 16 elements?
Which of the following effects is a permanent effect?
According to the mole concept in chemistry, what is the number of carbon atoms in 12 g of Carbon-12?
For a spontaneous process, the value of Gibbs energy change (\(\Delta G\)) is always:
The correct statement about an \(S_N1\) reaction is
What are X and Y in the following reactions? \[ (CH_3)_3C-ONa + C_2H_5Br \rightarrow X \] \[ (CH_3)_3C-Br + C_2H_5ONa \rightarrow Y \]
Which of the following represents the correct structure of 3-Ethyl cyclohexane carbaldehyde?
The incorrect statement regarding \(C\) formed in the given sequence of reactions is: \[ CH_3CHO \xrightarrow{\text{(i) } CH_3MgBr} A \xrightarrow{H_2O} B \xrightarrow{PCC} \text{dil. NaOH} \rightarrow C \]
What is the product Y in the given reaction sequence? \[ CH_3COOH \xrightarrow{\text{(i) } NH_3 \text{ (ii) } \Delta} X \xrightarrow{Br_2/NaOH} Y \]
An organic compound (X) dissolves in dilute NaOH but not in dilute \(NaHCO_3\) solution. X with \(Br_2/H_2O\) gives tribromo derivative. What is X?
Which of the following is not correctly matched with the type of drug mentioned in brackets?
Which structure of protein represents its constitution?
Which of the following will give maximum number of isomers?
Among the four complex ions given, identify the pair of ions with same spin only magnetic moment value:
The reaction of chlorine with hot and concentrated NaOH solution gave two chlorine containing products X, Y and \(H_2O\). Oxidation number of chlorine in X and Y is
Which of the following is not a condensation polymer?
Iodine on reaction with concentrated nitric acid gives three products X, Y and Z. The sum of oxidation numbers of the central atoms in X, Y and Z is
The rate constant of a reaction is \[ 1.5\,mol^{-3/2}L^{3/2}s^{-1} \] What is the order of this reaction?
Identify the incorrect statement about colloidal solution.
In leaching alumina, concentrated solution of \(X\) and in leaching gold, dilute solution of \(Y\) are used as leaching agents. \(X\) and \(Y\) respectively are
A student builds a galvanic cell utilizing the reaction \[ Ni(s)+2Ag^+(aq)\rightarrow Ni^{2+}(aq)+2Ag(s) \] \[ E^\circ=1.05V \] At \(25^\circ C\), what could the student do for the cell to generate a potential greater than that of the initial standard cell?
The bond angle in the most stable form of sulphur at room temperature is