List of top Chemistry Questions asked in AMUEEE

Two moles of an ideal gas are allowed to expand reversibly and isothermally at $300\, K$ from a pressure of $1\, atm$ to a pressure of $0.1\, atm$. The change in Gibbs free energy is

Which of the following names does not fit a real name?

An exothermic chemical reaction proceeds by two stages. Reactants ${ ->[Stage\, 1] }$ Intermediate ${ ->[Stage\, 2] }$ Products The activation energy of state $I$ is $50 \,kJ$ $mol^{-1}$. The overall enthalpy change for the reaction is $-100 \,kJ$ $mol^{-1}$. Which diagram could represent the energy level diagram for the reaction?

28 g of $ {{N}_{2}} $ and $6\,g$ of $ {{H}_{2}} $ were mixed. At equilibrium, $17\,g$ $ N{{H}_{3}} $ was produced. The weights of $ {{N}_{2}} $ and $ {{H}_{2}} $ at equilibrium are respectively

$K_{c}$ for the the reaction, $\left[ Ag ( CN )_{2}\right]^{-} \rightleftharpoons Ag ^{+}+2 CN ^{-}$, the equillibrium constant at $25^{\circ} C$ is $4.0 \times 10^{-19}$, then the silver ion concentration in a solution which was originally $0.1$ molar in $KCN$ and $0.03$ molar in $AgNO _{3}$ is :

A gaseous mixture containing $He,\, CH _{4}$ and $SO _{2}$ was allowed to effuse through a fine hole then find what molar ratio of gases coming out initially? (Given mixture contains $He,\, CH _{4}$ and $SO _{2}$ in $1: 2: 3$ mole ratio $)$.

Which one is least reactive towards nucleophilic substitution reaction?

Which is the least stable carbocation? I. $ CH_{3}CH_{2} \overset{+}{C}H_{2} $ II. $ CH_{3}\overset{+}{C}HCH_{3} $ III. $(CH_{3})_{4} \overset{+}{C} $ VI. $ (CH_{3})_{3} C \overset{+}{C}H_{2} $

What will be the product/s if benzal chloride is heated with a concentrated aqueous $ KOH $ solution?

The ratio of magnetic moment (spin only value) between $ [FeF_{6}]^{3-} $ and $ [Fe(CN)_{6}]^{3-} $ is approximately

The production of dihydrogen gas via water-gas shift reaction $ CO(g) + H_{2}O(g) { ->[{\Delta}][{Catalyst}] } CO_{2}(g) +H_{2}(g) $ The $ CO_{2} $ gas is removed by scrubbing with solution of

The process of nutrient enrichment of water, and subsequent loss of species diversity is referred to as

The correct symbol of the species with number of electrons, protons and neutrons as $ 18,16 $ and $ 16 $ respectively is

The correct order of basic strength in aqueous solution is

Television picture tube is basically

Ultimate product is obtained on heating $B_{2} H_{6}$ with $N H_{3}$ is

A liquid which decomposes at its boiling point can be purified by

Find wrong statement

What is the oxidation number of vanadium in $R b_{4} N a\left[H V_{10} O_{28}\right] ?$

Enthalpy of combustion of carbon to $CO _{2}$ is $-393.5 \,kJ \,mol ^{-1}$. What amount of heat will be released upon formation of $35.2 \,g$ of $CO _{2}$ from carbon and oxygen gas?

Which of the following compounds undergoes nitration more readily?

Pick out the electrophiles from following species $ BF_{3} $ , $ NH_{3} $ , $ Me_3C^+ $ , $ HCl $

What is the oxidation state of $Co$ in $ [Co(H_{2}O)_{5}Cl]^{2+}? $

Methyl benzoate can be prepared by

$ 100\, mL $ of $ 0.1 \,M \,H_2SO_4 $ is mixed with $ 100 \,mL $ of $ 0.1 \,NaOH $ . The normality of the solution obtained is