List of top Chemistry Questions

What is the overall order of the reaction which has the following rate expression? Rate = k[A]$^\frac{1}{2}$[B]$^\frac{3}{2}$
Which metal is the most powerful reducing agent in aqueous solution?
The standard electrode potential for Daniell cell is 1.1 V. The standard Gibbs free energy for the reaction Zn(s) + Cu$^{2+}$(aq) → Zn$^{2+}$(aq) + Cu(s) is approximately:
Which among the following life processes is electrochemical in origin?
A perfectly ideal solution is rare but some solutions behave nearly ideal. Which of the following does not fall in this category?
What kind of problem arises when bubbles of nitrogen gas dissolve in blood?
For p=K$_H$​x, here K$_H$​ is:
What is the formula of urea?
Which of the following is an example of a solid solution?
Which kind of defect is observed in AgBr?

Dry ice is:

Which among the following is a supercooled liquid?

What is Z in the following set of reactions?

Acetophenone can be prepared from which of the following reactants? 

What are \(X\) and \(Y\) in the following reactions? 

What are \(X\) and \(Y\) respectively in the following reaction? 

An alkyl halide C\(_4\)H\(_8\)Br(X) undergoes hydrolysis preferably in polar protic solvents. X can be prepared from which of the following reactants? 

Two statements are given below:
I. SO₂ is used as antioxidant in wine
II. BHA is used as food preservative in dry fruits

Which of the following forces stabilize the secondary structure of proteins? 
A. Hydrogen bonds
B. Covalent bonds
C. Disulphide linkages
D. Vander Waals forces

Observe the following amino acids: 

Two statements are given below:
I. Cellulose acetate is rayon
II. Perlan-L is nylon 6, 6

Arrange the following complexes in increasing order of the number of unpaired electrons present in the central metal ion:
I. \( [Fe(CN)_6]^{3-} \)
II. \( [Co(C_2O_4)_3]^{3-} \)
III. \( [Mn(CN)_6]^{3-} \) 

Which one of the following ions is diamagnetic in nature? 
 

The number of mixed oxides from the following is: \[ {Al}_2{O}_3, {Pb}_3{O}_4, {Mn}_2{O}_7, {Fe}_3{O}_4, {V}_2{O}_5, {Sb}_2{O}_3 \] 
 

Malachite is a mineral of metal ‘X’. Its composition is: