List of top Chemistry Questions asked in KEAM

At $ 500 \,K $ , the half-life period of a gaseous reaction at an initial pressure of $ 80\, kPa $ is $ 350 \,s $ . When the pressure is $ 40 \,kPa $ , the half-life period is $ 175 \,s $ . The order of the reaction is

The $\alpha$- and $\beta$- forms of glucose are

Air at sea level is dense. This is a practical implimentation of:

The partial pressure of oxygen in the alveolar air is:

Sodium peroxide which is a yellow solid, when exposed to air becomes white due to the formation of

A compound ?A?with molecular formula CHO gives a positive 2, 4 DNP test but a negative Tollen?s test. On treatment with sodium hypochlorite, it gives CHCl and compound ?B?. Compound ?B? is

Chlorination of benzene in the presence of halogen carrier is an example of

The order of reaction is decided by

Allyl cyanide molecule contains

The boiling point of para nitrophenol is greater than ortho nitrophenol, because:

Aniline is separated from aniline-water mixture by

An inorganic salt $(A)$ is decomposed on heating to give two products $(B)$ and $(C)$. Compound $(C)$ is a liquid at room temperature and is neutral to litmus while the compound $(B)$ is a colourless neutral gas. Compounds $(A)$, $(B)$ and $(C)$ are

Germanium of very high purity is obtained by

In which one of the following, d-d transition involves absorption in the ultraviolet region

Among the following elements, which one exhibits both positive and negative oxidation states?

The dispersed phase and dispersion medium in soap lather are respectively

The monomers used for their preparation of nylon-$2$-nylon-$6$ is/are

The molality of the $3\,M$ solution of methanol if the density of the solution is $0.9\, g\, cm^{-3}$ is

Sulfonation of benzene with excess sulfuric acid provides

20.0 kg of H\(_2\)(g) and 30 kg of H\(_2\)(g) are reacted to produce NH₃(g). The amount of NH₃(g). formed is

Read the statements regarding muscle proteins. i. Actin is a thin filament and is made up of two $F$-actins, ii. The complex protein, tropomyosin is distributed at regular intervals on the troponin iii. Myosin is a thick filament which is also a polymerized protein iv. The globular head of meromyosin consists of light meromyosin $(LMM)$

Which one of the following is not a sulphide ore?

The element with atomic number 117 has not been discovered yet. In which family would you place this element if discovered?

Gabriel synthesis is used for the synthesis of:

Cetyltrimethylammonium bromide is a popular