List of top Chemistry Questions

What current is to be passed for 0.25 s for deposition of a certain weight of metal is equal to its electro-chemical equivalent ?

What are the products formed when $Li_2CO_3$ undergoes decomposition?

Wave mechanical model of the atom depends upon

Water is often treated with chlorine to

Volume strength of $ {H2O2}$ is 11.2. Calculate strength in g/L.

Volatile nature of halogens is because

Vitamin $B_6$ is known as

Vinyl alcohol and ethanal are

Victor Meyers test is not given by

Variation of heat of reaction with temperature is known as

Vapour pressure of a solution containing non-volatile solute is

Vapour density of an organic compound is 23. It ontains 52.17% of carbon and 13% of hydrogen. The compound gives iodoform test. The compound is :

Vanishing cream is an example of

Using the standard electrode potential, find out the pair between which redox reaction is not feasible. $E^{\circ}$ values : $Fe^{3+}/Fe^{2+} = + 0.77; I_{2\left(s\right)}/I^- = + 0.54$; $Cu^{2+}/Cu = + 0.34$; $Ag^{+}/Ag = + 0.80\, V$

Van Arkel method of purification of metals involves converting the metal to

Value of universal gas constant R depends upon

Unit of ionic mobility is

Tyndall effect would be observed in a

Tyndall phenomena is exhibited by

Tyndall effect in colloidal solutions is due to :

Tyndall effect is not observed in

Tyndall effect is observed

Two values of spin quantum numbers i.e., $+1/2$ and $- 1/2$ represent

Two solutions of X and Y electrolytes are taken in two beakers and diluted by adding 500 mL of water. $\Lambda_{m}$ of X increases by 1.5 times while that of Y increases by 20 times, what could be the electrolytes X and Y?

Two oxides of a metal contain 27.6% and 30.0% of oxygen respectively. If the formula of the first oxide is $M_3O_4$, then second one is