List of top Chemistry Questions

The magnetic moment of lanthanide ions is determined from which one of the following relation?
How many isomers does \( \text{Co}(C_6H_6)_3 \) have?
Excess of NaOH reacts with Zn to form:
The equivalent weight of potassium permanganate when it acts as oxidizing agent in ferrous ion estimation is:
Which of the following species has a bond order other than $3$ ?
Nylon-$66$ is an example of:
Which one of the following product is formed when calcium salt of adipic acid is heated ?
In $2 HI \rightleftharpoons H _{2}+ I _{2}$ , the forward reaction is not affected by change in :
6 moles of an ideal gas expand isothermally and reversibly from a volume of 1 litre to a volume of 10 litres at 27?C. What is the maximum work done?
When ideal gas expands in vacuum, the work done by the gas is equal to
The magnetic moment of lanthanide ions is determined from which one of the following relation?
Schottky defect in solids is due to
The electrolyte used in Lechlanche cell is
The metal that crystallises in simple cubic system is
Calcium Acetate on heating under distillation gives
Identify the product for the following reaction
The order of the reaction $N_2O_5 \, \rightarrow \, N_2O_4(g) + \frac{1}{2}O_2(g)$ is
The tendencies of the electrodes made up of Cu, Zn and Ag to release electrons when dipped in their respective salt solutions decrease in the order
Which one of the following is amorphous?
How many lattice points belong to a face centered cubic unit cell?
The reaction,Zn(s) + CuSO4(aq) $\rightarrow$ZnSO4(aq) + Cu(s) is an example of a
The increase of pressure on ice ? water at a constant temperature will cause
If for a sucrose solution, elevation in boiling point is $0.1^{\circ} C, $ then what will be the boiling point of $NaCl$ solution for same molal concentration?
A sample of rock from moon contains equal number of atoms of uranium and lead. $t_{1 / 2}$ for $U =4.5 \times 10^{9}$ years. The age of the rock would be :
The number of waves in an orbit are :