List of top Chemistry Questions asked in AIIMS

Calculate emf of cell at 25?C Cell notation $M\left|M^{2+}_{0.01}\right|\left|M^{2+}_{0.00001}\right|M$ If value of E is 4 volt (Given $\frac{RT}{F}$ in 10 = 0.06)

Which of the following statements about $CO_3^{2-}$ ion is correct?

Which of the following transition elements have melting point below $500^\circ$ C?

Which will release $NH_3$ on Reaction with $NaOH$.

Which of the following are formula of methanides? $Be_2C$ $CaC_2$ $Mg_2C_3$ $Al_4C_3$

Which is the chemical test for polysaccharide

Which alkali metal during flame test will show colour corresponding to maximum wavelength?

Order of acidic nature

Number of visible lines in Balmer series.

Calculate emf of the following cell at 25?? if value of $E^o_{cell}$ is 4 V (Given $\frac {RT}{F} \, ln\, 10 = 0.06):$ $M | M^{2+} _{0.01}|| M^{2+} _{0.0001}| M$

For the following amines. The correct order of basic strength is

The correct order of basic strength is

Phenol + Aniline $ {Phenol + Aniline ->[{C_6H_5N_2^+Cl^-}][{KOH}] Product (P) (Major)}$ Major product (P) will be

The major organic product formed from the following reaction is

(2) CH-CHO (3) p-CH-CH-CHO (4) p-CHO-CH-CHO Correct order for nucleophilic addition reaction :

Find out the products of the reaction.

Find the end product of the following reaction.

$C_7H_{10}(A)$ reacts with $CH_3MgBr$ to give a compound, $C_8H_{14}0$ which gives the iodoform test, then find out the structure A

Select the correct set of answer.

When $Ag^+$ reacts with excess of sodium-thiosulphate then he obtained species having charge and geometry respectively :

Which of the following are extensive properties?

Which option is valid for a zero order reaction?

Trien is

What is the maximum wavelength of line of Balmer series of hydrogen spectrum? (R = 1.09 ??10 m)

The vapour pressure of a liquid decreases if some non-volatile solute is dissolved in it. The relative lowering of vapour pressure of a solution containing a non-volatile solute is equal to the mole fraction of the solute in the solution.

When pressure is increased at constant temperature