List of top Chemistry Questions asked in AIEEE

Aspirin can be prepared by the reaction of
On addition of 1 mL of 10% NaCl solution to 10 mL gold sol in the presence of 0.025 g of starch, the coagulation is just prevented. Starch has gold number
The standard potentials of $Ag^+/Ag, Hg_2^{2+}/2Hg, Cu^{2+}/Cu$ and $Mg^{2+}/Mg$ electrodes are $0.80,0.79, 0.34$ and $-2.37\, V$, respectively. An aqueous solution which contains one mole per litre of the salts of each of the four metals is electrolyzed. With increasing voltage, the correct sequence of deposition of the metals at the cathode is
When $CO_{2(g)}$ is passed over red hot coke it partially gets reduced to $CO(g)$. Upon passing $0.5\, L $ of $CO_{2(g)}$ over red hot coke, the total volume of the gases increased to $700\, mL$. The composition of the gaseous mixture at $STP$ is
A compound $M_pX_q$ has cubic close packing $(ccp)$ arrangement of $X$. Its unit cell structure shown below. The empirical formula of the compound is
Which of the following has the square planar structure?
The major product obtained in the photobromination of 2-methyl butane is
The radius of a calcium ion is 94 pm and of the oxide ion is 146 pm. Thepossible crystal structure of calcium oxide will be
Identify the compound that exhibits tautomerism.
The correct order of acid strength of the following compounds: 
(A) Phenol\(\quad\) 
(B) p-Cresol \(\quad\)
(C) m-Nitrophenol \(\quad\)
(D) p-Nitrophenol is :
The change in the optical rotation of freshly prepared solution of glucose is known as
The frequency of light emitted for the transition n = 4 to n = 2 of $He^+$ isequalto the transition in H atom corresponding to which of the following?
The non aromatic compound among the following is :
A reactant (A) forms two products : $ {A ->[k_1] B,} $ Activation Energy $Ea_1$ $ {A ->[k_2] C,}$ Activation Energy $Ea_2$ If $Ea_2 = 2 Ea_1$, then $k_1$ and $k_2$ are related as :
A 5% solution of cane sugar (molar mass 342) is isotonic with 1% of a solution of an unknown solute. The molar mass of unknown solute in g/mol is:
The molality of a urea solution in which 0.0100 g of urea, $[(NH_2)_2CO]$ is added to 0.3000 $dm^3$ of water at STP is:
An acid HA ionises as $HA {\rightleftharpoons} H^{+} + A^{-}$ The pH of 1.0 M solution is 5. Its dissociation constant would be:
A vessel at 1000 K contains $CO_2$ with a pressure of 0.5 atm. Some of the $CO_2$ is converted into CO on the addition of graphite. It the total pressure at equilibrium is 0.8 atm, the value of K is
Identify the incorrect statement from the following:
The reduction potential of hydrogen half-cell will be negative if :
Which of the following statements regarding sulphur is incorrect?
Three perfect gases at absolute temperatures $T_{1}, T_{2}$ and $T_{3}$ are mixed. The masses of molecules are $m_{1}$, $m_{2}$ and $m_{3}$ and the number of molecules are $n_{1}, n_{2}$ and $n_{3}$ respectively. Assuming no loss of energy, the final temperature of the mixture is
Thermosetting polymer, Bakelite is formed by the reaction of phenol with :
The products obtained on heating $LiNO_3$ will be :
The mass of potassium dichromate crystals required to oxidise $750\, cm^3$ of 0.6 M Mohr's salt solution is : (Given molar mass potassium dichromate = 294, Mohr's salt = 392)