List of top Chemistry Questions

Given below are some of the statements about Mn and \( Mn_2O_7 \). Identify the correct statements.
A. Mn forms the oxide \( Mn_2O_7 \), in which Mn is in its highest oxidation state.
B. Oxygen stabilizes the Mn in higher oxidation states by forming multiple bonds with Mn.
C. \( Mn_2O_7 \) is an ionic oxide.
D. The structure of \( Mn_2O_7 \) consists of one bridged oxygen.
Choose the correct answer from the options given below :
Consider the following reaction:
The product \(Y\) formed is:

The correct stability order of the following diazonium salts is:

Choose the correct answer from the options given below: 
 

The oxidation state of chromium in the final product formed in the reaction between KI and acidified $K_2Cr_2O_7$ solution is:
Total number of elements are in d-block is __________.
What is the IUPAC name of the organic compound formed in the following chemical reaction?
Acetone \( \xrightarrow{\text{(i) } C_{2}H_{5}MgBr,\ \text{dry ether} \;\;\text{(ii) } H_{2}O,\ H^{+}} \) Product

The given compound 

Complete the following reaction :

The equilibrium concentrations of the species in the reaction A + B \(\rightleftharpoons\) C + D are 2, 3, 10 and 6 mol L\(^{-1}\) respectively at 300 K. \(\Delta\)G\(^{0}\) for the reaction is
(R = 2 cal/mol K)
What is the number of unit particles present in a Body-Centered Cubic (BCC) unit cell?
The products obtained by the ozonolysis of 2-methylbut-1-ene are:
Identify the product formed when phenol reacts with bromine water.
2-methyl propene is obtained as product when sodium methoxide reacts with
Benzene diazonium salt in the presence of Cu/HBr will give bromobenzene (C\(_6\)H\(_5\)Br) and release nitrogen gas (N\(_2\)). This reaction is known as:
What is the name of the element which is known as Eka-Aluminium?
Find the alkene which gives 2 mol of acetone by ozonolysis.
Which aldehyde does not give Fehling test?
Which of these have the least bond length (in pm)?
Two solutions that are isotonic have same ......
Which of the following is used to convert sodium chromate to sodium dichromate in the preparation of potassium dichromate?
Which of the following series in hydrogen spectrum corresponds to UV radiation?
When CO is reacted with \( H_2 \) at 573 K, methanol is formed. Which is the catalyst used in this process?
First element in 3d series which shows +2, +3, +4, +6 oxidation state
Increasing order of metallic character
Which of the following statements regarding the structure of CO\(_2\) is correct?