List of top Chemistry Questions

Ethylene dichloride and ethylidene chloride are isomeric compounds. The false statement about these isomers is that they

Ethyl alcohol on,oxidation with $K_2Cr2O_7$ gives

Ethylbenzene with $Br_2$ in the presence of $FeBr_3$ gives

Ethyl alcohol is obtained when ethyl chloride is boiled with

Ethers are isomeric with

Ethers have lower boiling points than their corresponding isomeric alcohols because of

Ethyl alcohol and dimethyl ether are functional isomers. The boiling point of ethyl alcohol is higherdue to the presence of :

Ethanol is soluble in water due to

The reactivities of ethane, ethene and ethyne are of the order

Ethanamine is treated with nitrous acid at ordinary temperature, the products will be

Equivalent weight of $ {NH_3}$ in the change, $ {N_2 -> NH_3}$ is

Equivalent weight of $ {FeS_2}$ (mol wt = M) in the following reaction is $ {FeS_2 + O_2 -> Fe_2O_3 + SO_2}$

Equivalent weight of $I_2$ in the reaction, $ {I_2 + 5 Cl_2 + 6 H_2O -> 2 \, HIO_3 + 10 HCl}$ is

Equivalent mass of oxidising agent in the reaction $ {SO_2 + 2H_2S -> 3S + 2H_2O}$ is

Equivalent weight of $ {CuSO_4}$ in terms of its molecular weight M in the following reaction is $ {2 CuSO_4 + 4 KI -> Cu_2 I_2 + I_2 + 2 K_2SO_4}$

Equivalent weight of $FeC_2O_4$ in the change, $ {FeC2O4 -> Fe^{3+} + CO2}$

Equanil is an example of ..........

Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats $(C_p/C_v)$ of the mixture will be :

Equal masses of $SO_2,CH_4$ and $0_2$ are mixed in empty container at 298 K, when total pressure is 2.1 atm. The partial pressure of $CH_4$ in the mixture is

Enolic form of acetone has

Enthalpy of sublimation of a substance is equal to

Elements $X$, $Y$ and $Z$ have atomic numbers $19$, $37$ and $55$ respectively. Which of the following statements is true about them?

Elements of group-$15$ form compounds in $+5$ oxidation state. However, bismuth forms only one well characterised compound in $+5$ oxidation state. The compound is

Element X forms a chloride with the formula $XCl_2$, which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as -

Element of group 16 (except polonium) are called chalcogens because