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....
Read More →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...
Read More →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{...
Read More →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{...
Read More →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...
Read More →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)...
Read More →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 $1 \mathrm{kg}...
Read More →Ionic Equilibrium - JEE Main Previous Year Questions with Solutions
JEE Main Previous Year Papers Questions of Chemistry With Solutions are available at eSaral. Simulator Previous Years AIEEE/JEE Mains Questions [esquestion] Solid Ba$\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) ...
Read More →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 ...
Read More →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...
Read More →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...
Read More →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}...
Read More →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...
Read More →Hydrocarbons - 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 main product of the following reaction is #tag# [AIEEE-2010] #sol# (2) [/esquestion] [esquestion] One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 u. The alkene is :- (1) Ethene (2) Propene (3) 1-Butene (4) 2-Butene #tag# [AIEEE-2010] #sol# (4) [/esquestion] [esquestion] Ozonolys...
Read More →Halogen Derivative - 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] 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) $\mathrm{CH}_{3} \mathrm{COCl}$ (4) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Cl}$ #tag# [AIEEE-2009] #sol# (1) [/esquestion] [esquestion] Consider the following bromides :-...
Read More →General Organic Chemistry - 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] Arrange the carbanions, $\left(\mathrm{CH}_{3}\right)_{3} \overline{\mathrm{C}}, \overline{\mathrm{C}} \mathrm{Cl}_{3},\left(\mathrm{CH}_{3}\right)_{2} \overline{\mathrm{C}} \mathrm{H}, \mathrm{C}_{6} \mathrm{H}_{5} \overline{\mathrm{C}} \mathrm{H}_{2}$ , in order of their decreasing stability #tag# [AIEEE-2009] #sol# (1) [/esquestion] [esqu...
Read More →Environmental Chemistry - 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] 29.5 mg of an organic compound containing nitrogen was digested according to Kjeldahl's method and the evolved ammonia was absorbed in 20 mL of 0.1 M HCl solution. The excess of the acid required 15 mL of 0.1 M NaOH solution for complete neutralization. The percentage of nitrogen in the compound is :- (1) 29.5 (2) 59.0 (3) 47.4 (4) 23.7 #tag...
Read More →Aromatic Compound - 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] In the chemical reactions, the compounds 'A' and 'B' respectively are :- (1) Nitrobenzene and chlorobenzene (2) Nitrobenzene and fluorobenzene (3) Phenol and benzene (4) Benzene diazonium chloride and fluorobenzene #tag# [AIEEE-2010] #sol# (4) [/esquestion] [esquestion] In the chemical reactions (1) Fluorobenzene and phenol (2)Benzene diazon...
Read More →p-block - 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] Which one of the following reactions of Xenon compounds is not feasible ? (1) $2 \mathrm{XeF}_{2}+2 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{Xe}+4 \mathrm{HF}+\mathrm{O}_{2}$ (2) $\mathrm{XeF}_{6}+\mathrm{RbF} \rightarrow \mathrm{Rb}\left[\mathrm{XeF}_{7}\right]$ (3) $\mathrm{XeO}_{3}+6 \mathrm{HF} \rightarrow \mathrm{XeF}_{6}+3 \math...
Read More →Hydrogen - 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] Very pure hydrogen (99.9%) can be made by which of the following processes? (1) Reaction of salt like hydrides with water (2) Reaction of methane with steam (3) Mixing natural hydrocarbons of high molecular weight (4) Electrolysis of water #tag# [AIEEE 2012] #sol# (4) Very pure hydrogen (99.9%) can be made by electrolysis of water. [/esquest...
Read More →Periodic Table - 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 set representing the correct order of ionic radius is ? (1) $\mathrm{Li}^{+}\mathrm{Na}^{+}\mathrm{Mg}^{2+}\mathrm{Be}^{2+}$ (2) $\mathrm{Mg}^{2+}\mathrm{Be}^{2+}\mathrm{Li}^{+}\mathrm{Na}^{+}$ (3) $\mathrm{Li}^{+}\mathrm{Be}^{2+}\mathrm{Na}^{+}\mathrm{Mg}^{2+}$ (4) $\mathrm{Na}^{+}\mathrm{Li}^{+}\mathrm{Mg}^{2+}\mathrm{Be}^{2+}$ #tag# [...
Read More →s-block - 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 products obtained on heating $\mathrm{LiNO}_{3}$ will be :- (1) $\mathrm{LiNO}_{2}+\mathrm{O}_{2}$ (2) $\mathrm{Li}_{2} \mathrm{O}+\mathrm{NO}_{2}+\mathrm{O}_{2}$ (3) $\mathrm{Li}_{3} \mathrm{N}+\mathrm{O}_{2}$ (4) $\mathrm{Li}_{2} \mathrm{O}+\mathrm{NO}+\mathrm{O}_{2}$ #tag# [AIEEE-2011] #sol# (2) Fact based. [/esquestion] [esquestion] ...
Read More →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...
Read More →Continuity and Differentiation Notes for Class 12 & IIT JEE
eSaral provides you complete study material to prepare for IIT JEE, NEET and Boards Examination. Here are the detailed Continuity and Differentiation Class 12 Notes with Important Questions that will also help in IIT JEE and boards preparation. India's Best Exam Preparation for Class 12th - Download Now India's Best Exam Preparation for Class 12th - Download Now India's Best Exam Preparation for Class 12th - Download Now India's Best Exam Preparation for Class 12th - Download Now India's Best Ex...
Read More →Measures of Central Tendency & Dispersion Notes for Class 12 & IIT JEE
eSaral provides you complete study material to prepare for IIT JEE, NEET and Boards Examination. Here are the detailed notes on Measures of Central Tendency & Dispersion with Important Questions that will also help in IIT JEE and boards preparation....
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