Solid State - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The edge length of a face centered cubic cell of an ionic substance is 508 pm. If the radius of the cation is 110 pm, the radius of the anion is :- (1) 144 pm (2) 288 pm (3) 398...
Surface Chemistry - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Main Questions [esquestion] Which of the following statements is incorrect regarding physisorptions ? (1) Under high pressure it results into multi molecular layer on adsorbent surface (2) Enthalpy of adsor...
Electrochemistry - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] Given : $\mathrm{E}_{\mathrm{Fe}^{-3} / \mathrm{Fe}}^{\circ}=-0.036 \mathrm{V}, \quad \mathrm{E}_{\mathrm{Fe}^{-2} / \mathrm{Fe}}^{\circ}=-0.439 \mathrm{V}$. The value of standa...
Nuclear Chemistry - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas....
Polymer - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Main Questions [esquestion] Buna–N synthetic rubber is a copolymer of :- #tag# [AIEEE-2009] #sol# (1) Buna-N is actually abbrebiated form, where Bu represents 1, 3-butadiene, Na represents sodium and N repr...
Chemistry in Everyday Life - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] Which artificial sweetener contains chlorine ? (1) Aspartame (2) Saccharin (3) Sucralose (4) Alitame #tag# [JEE-Main(Online) - 2015] #sol# (3) [/esquestion] [esquestion] Thiol ...
Carboxylic Acid - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] In the chemical reactions, (1) Nitrobenzene and chlorobenzene (2) Nitrobenzene and fluorobenzene (3) Phenol and benzene (4) Benzene diazonium chloride and fluorobenzene #tag# [...
Carbonyl Compounds - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] Which of the following on heating with aqueous KOH, produces acetaldehyde ? (1) $\mathrm{CH}_{2} \mathrm{ClCH}_{2} \mathrm{Cl}$ (2) $\mathrm{CH}_{3} \mathrm{CHCl}_{2}$ (3) $\ma...
Biomolecule - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Main Questions [esquestion] The two functional groups present in a typical carbohydrate are :- (1) C = O and –OH (2) –OH and –CHO (3) –OH and –COOH (4) –CHO and –COOH #tag# AIEEE-2009 #sol# (2) [/esquestio...
Alcohol & Ether - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The number of stereoisomers possible for a compound of the molecular formula (1) 4 (2) 6 (3) 3 (4) 2 #tag# AIEEE-2009 #sol# (1) [/esquestion] [esquestion] A liquid was mixed wi...
Salt Analysis - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realising the question pattern as well as help in analysing weak strong areas. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The products obtained on heating LiNO3 will be :- (1) $\mathrm{LiNO}_{2}+\mathrm{O}_{2}$ (2) $\mathrm{Li}_{2} \mathrm{O}+\mathrm{NO}_{2}+\mathrm{O}_{2}$ (3) $\mathrm{Li}_{3} \ma...
d & f - block - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak strong areas. Simulator Previous Years AIEEE/JEE Main Question [esquestion] In context with the transition elements, which of the following statements is incorrect? (1) In the highest oxidation states of the first five transition elements (Sc to Mn), all ...
Thermodynamics - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is $\mathrm{CH}_{3} \mathrm{OH}(\ell)+\frac{3}{2} \mathrm{O}_{2}(\mathrm{g}) \longrightarrow \mathrm{CO}_{2}(\mathrm{g})+2 \mathrm{H}_{2} \mathrm{O}(\ell)$ At 298 K standard Gibb's energies of formation for $\mathrm{CH}_{3} \mathrm{OH}(\ell), \mathrm{...
Themochemistry - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is $\mathrm{CH}_{3} \mathrm{OH}(\ell)+\frac{3}{2} \mathrm{O}_{2}(\mathrm{g}) \longrightarrow \mathrm{CO}_{2}(\mathrm{g})+2 \mathrm{H}_{2} \mathrm{O}(\ell)$ At 298 K standard Gibb's energies of formation for $\mathrm{CH}_{3} \mathrm{OH}(\ell), \mathrm{...
States of Matter - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The molecular velocity of any gas is :- (1) inversely proportional to the square root of temperature (2) inversely proportional to absolute temperature (3) directly proportional to square of temperature (4) directly proportional to square root of temperature #tag# [AIEEE-2011] #sol# (4) [/esquestion] [esquestion] , v and u represent most pr...
Redox Reaction - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] Consider the following reaction: $\mathrm{xMnO}_{4}^{-}+\mathrm{yC}_{2} \mathrm{O}_{4}^{2-}+\mathrm{ZH}^{+} \rightarrow$ $\mathrm{xMn}^{2+}+2 \mathrm{yCO}_{2}+\frac{\mathrm{Z}}{2} \mathrm{H}_{2} \mathrm{O}$ The values of x, y and z in the reaction are respectively :- (1) 5,2 and 16 (2) 2,5 and 8 (3) 2, 5 and 16 (4) 5,2 and 8 #tag# [JEE(Main)...
Mole Concept - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] A 5.2 molal aqueous solution of methyl alcohol, $\mathrm{CH}_{3} \mathrm{OH}$, is supplied. What is the mole fraction of methyl alcohol in the solution ? (1) 0.086 (2) 0.050 (3) 0.100 (4) 0.190 #tag# [AIEEE-2011] #sol# (1) $5.2 \mathrm{m} \mathrm{CH}_{3} \mathrm{OH}$ ie $5.2 \mathrm{mol} \mathrm{CH}_{3} \mathrm{OH}$ present in $1 \mathrm{kg}...
Ionic Equilibrium - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] Solid Ba$\left(\mathrm{NO}_{3}\right)_{2}$ is gradully dissolved in a 1.0 × $10^{-4} \mathrm{M} \mathrm{Na}_{2} \mathrm{CO}_{3}$ solution.At what concentration of Ba2+ will a precipitate begin to form? $\left(\mathrm{K}_{\mathrm{SP}} \text { for } \mathrm{Ba} \mathrm{CO}_{3}=5.1 \times 10^{-9}\right)$ (A) $8.1 \times 10^{-8} \mathrm{M}$ (B) ...
Chemical Equilibrium - JEE Mains Previous Year Questions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] A vessel at 1000 K contains $\mathrm{CO}_{2}$ with a pressure of 0.5 atm. Some of the $\mathrm{CO}_{2}$ is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of K is :- (1) 0.3 atm (2) 0.18 atm (3) 1.8 atm (4) 3 atm #tag# [AIEEE-2011] #sol# (3) [/esquestion] [esquestion] The equilibrium ...
Atomic Structure - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] In an atom, an electron is moving with a speed of 600 m/s with an accuracy of 0.005%. Certainity with which the position of the electron can be located is ($\mathrm{Ch}=6.6 \times 10^{-34} \mathrm{kg} \mathrm{m}^{2} \mathrm{s}^{-1}$, mass of electron, $\mathrm{e}_{\mathrm{m}}=9.1 \times 10^{-31} \mathrm{kg}$):- (1) $1.92 \times 10^{-3} \math...
Structural Isomerism - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The alkene that exhibits geometrical isomerism is :- (1) 2–butene (2) 2–methyl–2–butene (3) Propene (4) 2–methyl propene #tag# [AIEEE-2009] #sol# (1) [/esquestion] [esquestion] The number of stereoisomers possible for a compound of the molecular formula CH3–CH=CH–CH(OH)–Me is :- (1) 4 (2) 6 (3) 3 (4) 2 #tag# [AIEEE-2009] #sol# (1) exhibits b...
Oxidation & Reduction - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Main Questions [esquestion] Which of the following will change the colour of acidic dichromate solution. #tag# [JEE-MAINS 2013] #sol# (A) [/esquestion] [esquestion] #tag# [JEE-MAINS 2013] #sol# (C) [/esquestion] [esquestion] #tag# [JEE-MAINS 2013] #sol# (A) [/esquestion] [esquestion] The most suitable reagent for the conversion of $\mathrm{R}-\mathrm{CH}_{2}-\mathrm{OH}...
IUPAC Nomenclature - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The IUPAC name of neopentane is :- (1) 2–methylpropane (2) 2, 2–dimethylbutane (3) 2–methylbutane (4) 2, 2–dimethylpropane #tag# [AIEEE -2009] #sol# (4) [/esquestion] [esquestion] The IUPAC name of the compound is :- (1) 1, 2-Epoxy propane (2) Propylene oxide (3) 1, 2–Oxo propane (4) 1, 2–Propoxide #tag# [AIEEE -2012(online] #sol# (1) [/esqu...
Chemical Bonding - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] The bond dissociation energy of B–F in $\mathrm{BF}_{3}$ is 646 kJ $\mathrm{mol}^{-1}$whereas that of C–F in $\mathrm{CF}_{4}$ is 515 kJ mol–1. The correct reason for higher B–F bond dissociation energy as compared to that of C–F is :- (1) Significant $\mathrm{p} \pi-\mathrm{p} \pi$ interaction between B and F in $\mathrm{BF}_{3}$whereas the...