List of top Chemistry Questions asked in JEE Advanced

$\xrightarrow{Cl_2,hv\, \, }N(isomeric\, products) C_5 H_{11} Cl$ $\xrightarrow{\, \, Fractional\, distillation \, }M(isomeric\, products)$ What are N and M?
$ MgSO_4 $ on reaction with $ NH_4OH $ and $ Na_2HPO_4 $ forms a white crystalline precipitate. What is its formula?
$MgSO_4$ on reaction with $NH_4 OH $ and $ Na_2 HPO_4$ forms a white crystalline precipitate. What is its formula?
Which of the following pair is expected to exhibit same colour in solution?
Name the structure of silicates in which three oxygen atoms of $[SiO_4]^{4-}$ are shared is
Two forms of D-glucopyranose, are called
Which one of the following statements) is incorrect about order of reaction?
One mole of monoatomic ideal gas expands adiabatieally at initial temperature T against a constant external pressure of I atm from 1 L to 2 L. Find out the final temperature $(R = 0.0821\: atm \: K^{-1}m oI^{-1})$
Which ore contains both iron and copper?
Which of the following isomers of phosphorus is thermodynamically most stable?
Lyophilic sols are
Which gas is evolved when $PbO_2$ is treated with concentrated $HNO_3$?
A pale blue liquid obtained by equimolar mixture of two gases at $- 30^\circ\, C$ is
Which of the following will not be oxidised by $O_3$?
Which of the following $fcc$ structure contains cations in alternate tetrahedral voids?
A metal nitrate reacts with KI to give a black precipitate which on addition of excess of KI convert into orange colour solution. The cation of metal nitrate is
Arrange in order of increasing acidic strength
2-phenyl propene on acidic hydration, gives
The pair of compounds having metals in their highest oxidation state is
HX is a weak acid ( $ K_a = 10^{ - 5} $ ).lt forms a salt Na (0.1M) on reacting with caustic soda. The degree of hydrolysis of Na X is
0.004 MNa$_2SO_4$ is isotonic with 0.01 M glucose. Degree of dissociation of Na$_2SO_4$ is
For a first order reaction, $(A)\to $ product. Concentration of $A$, changes from $0.1\, M$ to $0.025 \,M$ in $40$ minutes the rate of reaction of when concentration of $A$ is $0.01 \,M$ is :
Which of the following pairs give positive Tollen's test?
The methods chiefly used for the extraction of lead and tin from their ores are respectively
The compound having tetrahedral geometry is