List of top Chemistry Questions asked in AMUEEE

The $E^{o}$ values of the following reduction reactions are given: $F e^{3+}(a q)+e^{-} \rightarrow F e^{2+}(a q), E^{o}=0.771\, V$ $F e^{2+}(a q)+2 e^{-} \rightarrow F e(s), E^{o}=-0.447\, V$ What will be the free energy change for the reaction? $Fe ^{3+}( aq )+3 e^{-} \rightarrow Fe ( s )\left( F =96485\, C\, mol ^{-1}\right)$

The decomposition temperature is the lowest for

Nitrogen base $+$ Pentose sugar $+$ Phosphate group is

In $XeOF_{2}$ molecule, the hybridisation of $Xe$ orbitals is

Hydrolysis of proteins give

Given that the radius of $N a^{+}$ion is $0.95 \,?$ and that of $C l^{-}$ion is $1.81\,?$, hence in the close packed lattice of $Cl ^{-}$ions, $Na ^{+}$ions prefer to occupy

Equivalent weight of potassium permanganate in alkaline solution is equal to $m$

Effective atomic number of the central metal ion, $Pt$, in the complex $\left[Pt\left(N H_{3}\right)_{6}\right]^{4+}$ is: (The atomic no. of $Pt$ is $78$)

$\left[C o(C N)_{6}\right]^{3-}$ , a complex ion of cobalt (III), absorbs radiations in violet region of the visible light. Its aqueous solution, therefore, appears

$Cl?O$ bond order in perchlorate ion is

A solid has a structure in which, atoms of $W,O$ and $Na$ are located respectively at the comers, centre of edges and at the centre of the cubic lattice. The compound is

Consider the cell, $P t \mid H_{2}(g, 1\, atm) H^{+}(a q, 1\, M) \| F e^{3+}(a q)$ $F e^{2+}(a q) \mid P t(s)$ Given that $E^{o}{ }_{F e^{3+} / F e^{2+}}=0.771\, V$, the ratio of concentration of $F e_{(a q)}^{2+}$ to $F e_{(a q)}^{3+}$ is, when the cell potential is $0.830\, V$.

The gas that is adsorbed to a larger extent on charcoal is

The main product of the reaction is

The aldol condensation reaction is given by

To coagulate gelatin sol, which one of the following is most effective?

Which will undergo $S _{ N } 2$ reaction faster?

Reaction of propene with diborane followed alkaline hydrolysis in the presence of hydrogen peroxide gives

The hybridisation states of $[Ni(CO)_4]$ , $[Ni(CN)_4]^{2-}$ and $[NiCl_4]^{2-}$ species are respectively

Which of the following is not affected by the temperature?

Heating of $NH _{4} NO _{3}$ gives

The IUPAC name of the compound is

Which of the following is an example of Maximum boiling azeotrope?

The rate constant of a reaction is $\text{mol} \,L^{-}\, S^{-1}$. The reaction is

Le-Chatelier?s principle is not applicable to