List of top Chemistry Questions

The electrolyte used in Lechlanche cell is
The magnetic moment of lanthanide ions is determined from which one of the following relation?
The metal that crystallises in simple cubic system is
The hydrogen ion concentration of a $ 10^{-8}M HCl $ aqueous solution at 298 K $ ( K_w = 10^{-14} ) $ is :-
The appearance of colour in solid alkali metal halides is generally due to :
Insulin regulates the metabolism of
Which of the following has the highest bond order ?
Maximum number of hydrogen bonding is in :
The enthalpy and entropy change for the reaction : $ {Br2(\ell) + Cl2(g) -> 2BrCl(g)}$ are $30 \,kJmol^{-1}$ and $105\,JK^{-1} mol^{-1}$ respectively. The temperature at which the reaction will be in equilibrium is :
More number of oxidation states are exhibited by the actinides than by the lanthanides. The main reason for this is:
Which of the following species has a linear shape?
Given, the mass of electron is $9.11 \times 10^{-31}\, kg$, Planck's constant is $6.626 \times 10^{-34}\, Js$, the uncertainty involved in the measurement of velocity within a distance of $0.1 \mathring{A}$ is
Which of the following is not an ore of magnesium?

Acrolein test is positive for:

At $pH = 4$ glycine exists as
$\Delta G ^ \circ \,Vs\, T$ plot in the Ellingham's diagram slopes downwards for the reaction
Which of the following reaction taking place in the Blast furnace is endothermic ?
In the conversion of $Br_2$ to $BrO^-_3 $, the oxidation number of $Br$ changes from
Which of the following is not an ore of magnesium?
Which of the following can participate in linkage isomerism ?
The formation of $ O^{+}_2 [P_t F_6 ]^-$ is the basis for the formation of Xenon fluorides. This is because
When a quantity of electricity is passed through $CuSO_4$ solution, $0.16\, g$ of Copper gets deposited. If the same quantity of electricity is passed through acidulated water, then the volume of $H_2$ liberated at $STP$ will be [Given $At. Wt. Cu = 64$]
Which of the following does not conduct electricity ?
Which of the following represents the Lewis structure of $N_2$ molecule ?
Identify the product for the following reaction