List of top Chemistry Questions

Plasmamembrane is made of
The compound which reacts fastest with Lucas reagent is (at room temperature)
The maximum number of electrons in a subshell is given by the expression
Propene, $CH_3 - CH = CH_2$ can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to affect the above conversion?
Acetylenic hydrogens are acidic because
Which of the following is an optically active compound?
Each of the following is true for white and red phosphorus except that they
It is possible to obtain oxygen from air by fractional distillation because
The gases respectively absorbed by alkaline pyrogallol and oil of cinnamon are
Correct gas equation is
Oxygen will directly react with each of the following elements except?
When orthophosphoric acid is heated to 600$^{\circ}$C, the product formed is
The number of oxygen atoms in $4.4\, g$ of $CO_2$ is,
Which one has the lowest boiling point?
Prussian blue is formed when
Photographic plates and films have an essential ingredient of
Bleaching powder reacts with a few drops of conc. HCI to give
An example of a double salt is
The substance used as a smoke screen in war fare is
$H_2O$ has a net dipole moment while $BeF_2$ has zero dipole moment because
Which of the following does not apply to metallic bond?
Which of the following statements do not form a part of Bohr's model of hydrogen atom?
If p, V, M, T and R are pressure, volume, molar mass, temperature and gas constant respectively, then for an ideal gas, the density is given by
A metal oxide has the formula $M_2O_3$. It can be reduced by $H_2$ to give free metal and water. $0.1596\, g$ of $M_2O_3$ required 6 mg of $H_2$ for complete reduction. The atomic mass of the metal is
Red P can be obtained from white P by