List of top Chemistry Questions asked in AIIMS

The oxidation number of oxygen atom in $O^{2-}_2$ ion is
The incomplete combustion of $CH_4$ gives
The important ore of aluminium is
The heat produced by a $100\, W$ heater in $2\, min$. is equal to
The element, with atomic number $118$, will be
Nessler?? reagent is used in the test of
Euchlorine is produced by heating a mixture of
Atom bomb is based on the principle of
How many gm of silver will be displaced from a solution of $AgNO_3$ by $4\, gm$ of magnesium?
What is the correct bond angle in dimethyl ether?
The number of $P ??OH$ bonds and the oxidation state of phosphorus atom in pyrophosphoric acid $(H_4P_2O_7)$ respectively are
In the presence of an acid, hydrolysis of methyl cyanide produces
Two different gases enclosed in different flasks $A$ and $B$ at same temperature and pressure were found to contain same number of molecules. The ratio of volumes of the flasks $A$ and $B$ must be
By the electrolysis of aqueous solution of $CuSO_{4}$, the products obtained at both the electrodes are
Phenol undergoes Kolbe?? reaction whereas ethanol does not. Phenoxide ion is more basic than ethoxide ion.
In order to protect, iron from corrosion, the iron is coated with
Which of the following compounds will be most easily attacked by an electrophile ?
Which of the following is not true about e.m.f. of a cell?
The type of isomerism not exhibited by alkenes is
When alkyl halides are heated with dry $Ag_2O$, they give
Which of the following gases will have the highest rate of diffusion?
The weight of a metal of equivalent weight $12$, which will give $0.475\, g$ of its chloride, is
A bivalent metal has the equivalent weight of $12$. The molecular weight of its oxide will be
Heterolytic fission of an organic covalent bond gives only
The compound containing coordinate bond is