Oxidation and Reduction – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Carbonyl Compound – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Paragraph for Question Nos. 1 to 3

A carbonyl compound P, which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intramolecular aldol reaction to give predominantly S.

Paragraph for Questions Nos. 4 to 5

An acyclic hydrocarbon P, having molecular formula $\mathrm{C}_{6} \mathrm{H}_{10}$, gave acetone as the only organic product through the following sequence of reactions, in the which Q is an intermediate organic compound.

Biomolecule – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advanced Questions

Paragraph (q. 17 TO q. 18)

Treatment of compound O with $\mathrm{KMnO}_{4} / \mathrm{H}^{+}$ gave P, which on heating with ammonia gave Q. The compound Q on treatment with $\mathrm{Br}_{2} / \mathrm{NaOH}$ produced R. On strong heating, Q gave S, which on further treatmenet with ethyl 2-bromopropanoate in the presence of KOH following by acidification, gave a compound T.

Alcohol & Ether – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Hydrocarbon – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Paragraph For Question 3 and 4

Schemes 1 and 2 describe sequential transformation of alkynes M and N. Consider only the major products formed in each step for both the schemes.

Paragraph For Questions 6 and 7

In the following reaction

Halogen Derivatives – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

General Organic Chemistry – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Aromatic Compounds – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Paragraph for Question 11 and 12

P & Q are isomers of dicarboxylic acid $\mathrm{C}_{4} \mathrm{H}_{4} \mathrm{O}_{4}$. Both decolourize $\mathrm{Br}_{2} / \mathrm{H}_{2} \mathrm{O}$, On heating P forms the cyclic anhydride. Upon treatment with dilute alkaline $\mathrm{KMnO}_{4}$, P as well as Q could produce one or more than one from S, T and U. [JEE 2013]

s-block – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Atomic Structure -JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Paragraph for questions 1 to 3

The hydrogen-like species $\mathbf{L} \mathbf{i}^{2+}$ is in a spherically symmetric state $\mathrm{S}_{1}$ with one radial node. Upon absorbing light the ion undergoes transition to a state $\mathrm{S}_{2}$ The state $\mathrm{S}_{2}$ has one radial node and its energy is equal to the ground state energy of the hydrogen atom.

Answer Q.10, Q.11 and Q.12 by appropriately matching the information given in the three columns of the following table.

The wave function n, l , m1 is a mathematical function whose value depends upon spherical polar coordinates $(\mathrm{r}, \theta, \phi)$ of the electron and characterized by the quantum numbers n, l and $\mathrm{m}_{1}$. Here r is distance from nucleus,  is colatitude and  is azimuth. In the mathematical functions given in the Table, Z is atomic number $\mathrm{a}_{0}$

is Bohr radius.

Chemical Equilibrium – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Paragraph 1 (2 TO 3)

Thermal decomposition of gaseous $\mathrm{X}_{2}$ to gaseous X at 298 K takes place according to the following equation :

The standard reaction Gibbs energy, , of this reaction is positive. At the start of the

reaction, there is one mole of X2 and no X. As the reaction proceeds, the number of moles of

X formed is given is the number of moles of X formed at equilibrium. The

reaction is carried out at a constant total pressure of 2

bar. Consider the gases to behave ideally.

(Given $\left.: \mathrm{R}=0.083 \mathrm{L} \text { bar } \mathrm{K}^{-1} \mathrm{mol}^{-1}\right)$

Ionic Equilibrium- JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Mole Concept – JEE Advanced Previous Year Questions with Solutions

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Redox Reaction – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Thermochemistry – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

States of Matter – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Paragraph for Question 5 & 6

X and Y are two volatile liquids with molar weights of 10g $\operatorname{mol}^{-1}$ and 40g $\operatorname{mol}^{-1}$ respectively. Two cotton plugs, one soaked in X and the other soaked in Y, are simultaneously placed at the ends of a tube of length L = 24 cm, as shown in the figure. The tube is filled with an inert gas at 1 atmosphere pressure and a temperature of 300K. Vapours of X and Y react to form a product which is first observed at a distance d cm from the plug soaked in X. Take X and Y to have equal molecular diameters and assume ideal behaviour for the inert gas and the two vapours.

Chemical Bonding – JEE Advanced Previous Year Questions with Solutions

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Previous Years IIT/JEE Advance Questions

Hydrogen – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Periodic Table – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

p-block – JEE Advanced Previous Year Questions with Solutions

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Previous Years JEE Advance Questions

Comprehension (Q. 10 and 11)

The reaction of $\mathrm{Cl}_{2}$ gas with cold dilute and hot concentrated NaOH in water give sodium salt of two (different) oxoacids of chlorine P and Q respectively. The $\mathrm{Cl}_{2}$ gas reacts with $\mathrm$\mathrm{SO}_{2}$gas , in presence of charcoal to give a product R. R reacts with white phosphorous to give a compound S. On hydrolysis, S gives as oxoacid of phosphorous T.

Paragraph for Q.24 & 25

Upon heating $\mathrm{KClO}_{3}$ in the presence of catalytic amount of

$\mathrm{MnO}_{2}$ , a gas W is formed. Excess amount of W reacts with white

phosphorus to give X. The reaction of X with pure $\mathrm{HNO}_{3}$ gives Y and Z.

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