List of top Questions asked in AMUEEE

An ether solution of benzoic acid $ (A) $ aniline $ (B) $ and toluene $ (C) $ is extracted with aqueous $ NaOH $ . The ether layer will contain what compound $ (s) $ after the extraction ?

Which of the following compounds reacts faster with sodium methoxide $ (NaOCH_3) $ ?

Which one of the following reactions is easily possible ?

Identify the positively charged sol

An organ pipe $A$, with both ends open, has fundamental frequency $300\, Hz$. The third harmonic of another organ pipe $B$, with one end open, has the same frequency as the second harmonic of pipe $A$. The lengths of pipe $A$ and $B$ are (speed of sound in air = $343\, m/s)$

Which of the following will not give a primary amine?

The unpaired electron in $ Ni(CO)_{4} $ is

The transverse displacement of a string fixed at both ends is given by $y=0.6 \sin \left(\frac{2 \pi x}{3}\right) \cos (120 \pi t)$ where $x$ and $y$ are in metres and $t$ is in seconds. The length of the string is $1.5\, m$ and its mass is $3.0 \times 10^{-2} kg$. The tension in the string is equal to

A wheel turning with angular speed of 30 rev/s is brought to rest with a constant acceleration. It turns 60 rev before it stops, the time that elapses before it stop, is

The rotor�s velocity of a helicopter engine changes from $ 330 \,rev/min $ to $ 110 \,rev/min $ in 2 minutes. How long does the rotor blades take to stop?

Ammonia undergoes self-dissociation according to the reaction, $2 NH _{3}(l) \rightleftharpoons NH _{4}^{+}{ }_{(a m)}^{+}+ NH _{2(a m)}^{-}$ where am, stands for ammoniated. When $1$ mole of $NH _{4} Cl$ is dissolved in $1\, kg$ of liquid ammonia, the b. p. at $760$ tour is observed at $-32^{\circ} C$ (Normal b.p. of $N H_{3(l)}$ is $-33.4^{\circ} C$ ). What conclusions are reached about the nature of the solution?

Consider two half-cells based on the reaction $A g^{+}(a q)+e^{-} \rightarrow A g(s)$ The left half-cell contains $A g^{+}$ions at unit concentration, and the right half-cell initially had the same concentration of $A g^{+}$ions, but just enough $NaCl_{(a q)}$ had been added to completely precipitate the $A g_{(a q)}^{+}$as $AgCl$. If the emf of the cell is $0.29\, V$, the $\log _{10} K_{s p}$ would have been

The total number of terms in the expansion of $ ( 1 + x ) ^{2n} - ( 1 - x ) ^{2n} $ after simplification is

Which one among the following alcohols will give iodoform on treatment with iodine and sodium hydroxide?

The density of a $ 3M $ sodium thiosulphate $ (Na_2S_2O_3) $ solution is $ 1.25\, g/mL $ . Calculate the percent by weight of sodium thiosulphate

The $ IUPAC $ name of $ CH_3CH(OH)CH_2CH(CH_3)CHO $ is

If $f(x)$ = $ \begin{vmatrix}x+1&x&1\\ x\left(x+1\right)&x\left(x-1\right)&2x\\ x\left(x+1\right)\left(x-1\right)&x\left(x-1\right)\left(x-2\right)&3x\left(x-1\right)\end{vmatrix} $ , then $ f(1000) $ is equal to

The equation of the plane through the points $ (2, 2,1) $ and $ (9, 3, 6) $ and perpendicular to the plane $ 2x + 6y + 6 z - 1 = 0 $ is

Compounds, $\left.\left[ PtCl _{2} NH _{3}\right)_{4}\right] Br _{2}$ and $\left[ PtBr _{2}\left( NH _{3}\right)_{4}\right] Cl _{2}$, shows the following type of isomerism

A battery of emf $ 8V $ with internal resistance $ 0.5 \, \Omega$ is being charged by a $ 120 \,V\, d.c. $ supply using a series resistance of $ 15.5 \Omega $ . The terminal voltage of the battery is

Henry's law constants for aqueous solution of $CO , O _{2}, CO _{2}$ and $C _{2} H _{2}$ gases are respectively at $25^{\circ} C$ as $58 \times 10^{3}, 43 \times 10^{3}, 1.61 \times 10^{3}$ and $1.34 \times 10^{3}$. The solubility of these gases decreases in the order

If the rate constant of a reaction has the value $k=163 \times 10^{-4}( mol )^{-\frac{1}{2}} s ^{-1}$, the order of the reaction is

For the second order reaction, $ A + B \to $ Products When $ a $ moles of $ A $ reacts with $ b $ moles of $ B $ , the rate equation is given by $ k_{2} t = \frac{1}{\left(a-b\right)} \,ln \,\frac{b\left(a-x\right)}{a\left(b-x\right)} $ When $ a > > b $ ,the rate expression becomes that of

For a diprotic acid, which of the following is true for first and second ionization constants? $ (K_{a_1} $ and $ K_{a_2} $ ).

The, following molecule has a linear shape