JEE Mains Previous year question with explanation
61 videos • 43 views • by Chemistry Indeed by Mridula jha
1
The pH of a 0.02M NH4Cl solution will be : || JEE-2022 || Equilibrium||11th chemistry || chemistry
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2
20 ML of 0.1M H2SO4 solution is added to 30 mL of 0.2 M NH4OH soln. The pH [JEE-2022] ||Equilibrium
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3
The standard enthalpy of formation of NH3 is -46 kJ/ mol | Heat of Formation |JEE
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4
For the reaction SO2(g) + 1/2O2 (g) --SO3 (g) , if Kp =Kc(RT)x where. [JEE-2014] ||Equilibrium
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5
For the reaction, 2SO2(g) + O2(g) ⇌ 2SO3(g), ∆H = -57.2 kJ mol–1 and Kc..||Equilibrium || JEE
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6
JEE- 95% H2SO4 by weight. If the density of acid is 1.834 g cm-3, the molarity of this solution is
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7
If 100 mole of H2O2 decompose at 1 bar and 300 k, the work done....||Thermodynamics || JEE-2016
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8
The exothermic formation of ClF3 is represented by. || Equilibrium || Le-Chatelier's Principal | JEE
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9
The volume of 0.1N dibasic acid sufficient to neutralize ....||JEE-2016 || Mole Concept || Chemistry
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10
For the reaction, SO2(g)+ 1/2O2(g) ⇌ SO3(g) , if KP =KC(RT)x where the..|| JEE-2014 || Equilibrium
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11
Given a solution of HNO3 of density 1.4 g/mL and 63% w/w. Determine the molarity of solution. (JEE)
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12
The amount of arsenic pentasulphide that can be obtained when 35.5 g ..|| JEE-2016 || Mole concept
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13
10 g of hydrogen and 64 g of oxygen were filled in a vessel and exploded. Amount of water will be
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14
A mixture of hydrogen and oxygen contain 40% hydrogen by mass when the..[JEE-2022] ||Gaseous State
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15
density of 3M solution of NaCl is 1.250 g/ml. The molality of the solution will ||JEE-2013
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16
JEE-2013:Molarity of a solution obtained by mixing 750 ml of 0.5 M HCl with 250 ml of 2M HCl will be
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17
Decreasing order toward SN1 reaction for.. [ JEE Main- 2024 ] | SN1 Reaction |Carbocation
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18
Solid fuel used in rocket is a mixture ofFe2O3 and Al..| JEE Main-2023 | Thermodynamics | Enthalpy
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19
Numerical -JEE |mole concept
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20
Half life of first order reaction is 36 hour.. [JEE Main-2024] | Chemical Kinetics
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21
3g of activated charcoal was added to 50mL of acetic acid solution (0.06N) ||JEE|| Normality | Mole
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22
At 25∘C, the solubility product of Mg(OH)2 is..| JEE Main-2010 | Equilibrium
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23
The molar solubility of Cd(OH)2 is 1.84 × 10-5 M in water. The ..||Equilibrium || Solubility || JEE
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24
JEE-2016 [ mole concept ] | Important Question
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25
An amount of solid NH4HS is placed in a flask..| JEE-2005 |Equilibrium
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26
Nitrogen oxide with odd electron | JEE-2022 | inorganic chemistry
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27
The pKa of a weak acid (HA) is 4.5. The pOH of an aqueous buffered..|| Equilibrium [ AIEEE-2007]
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28
Sodium metal crystallizes in a BCC lattice with a unit cell edge of 4.29..||JEE || Solid state
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29
One mole of ideal gas at 350K is in 2 L vessel..| JEE Main-2023 | Thermodynamics
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30
Among the following acids which have the lowest pKa value? [JEE Main-2005] | Equilibrium
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31
100 g of water is heated from 30 °C to 50 °C. Ignoring the slight ..||JEE-2011 ||Thermodynamics||JEE
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32
Calculate the molarity of a solution, having ..[JEE Main-2024] | Mole Concept
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33
.How many liter of water must be added to1 litre of an ||JEE-2013|| Equilibrium || 11thChemistry
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34
The edge length of a face centered cubic cell of an ionic substance is 508 pm..|| Solid state|| JEE
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35
The pKa of a weak acid,(HA),is 4.80.The pKa of a weak base,BOH is 4.78 PH of |Equilibrium[JEE- 2008
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36
Calculate the work done in KJ ,when. [JEE Main-2024] | Thermodynamics
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37
how many liter of water must be added to 1 liter of an aqueous...||Mole Concept ||JEE-2014
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38
An element having an atomic radius of 0.14 nm crystallizes in an fcc unit cell..(JEE Previous paper)
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39
mole concept | jee-2022 |find the amount of CO2
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40
Calculate mass of CH4 consumed for.. [JEE Main-2024 ,27th Jan] | Mole Concept |11th Chemistry
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41
Lithium forms body centred cubic structure. The length of..||12th Chemistry || Solid State|| NCERT
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42
At 100°C, copper (Cu) has fcc unit cell structure with cell edge length of.. ||solid state ||JEE
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43
One mole of a monoatomic gas is heated at a constant volume of 1 atmosphere || Thermodynamics|| JEE
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44
An ionic compound has a unit cell consisting of A ions at the corners..||Solid State ||JEE-2005
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45
Identify the s-block element which do not give flame Test? (jee-2022)
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46
JEE-ratio of masses of O2 and N2 in gaseous mixture is 1:4. The ratio of No. of their molecule is
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47
It is given that radius of 3rd stationary Orbit is r.. [JEE Main-2024] |Atomic Structure | 11th
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48
The species which by definition has zero standard molar : [JEE -2010 ]
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49
The pKa of a weak acid, HA, is 4.80. The pKb of ..[JEE -2008] | Equilibrium
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50
State of matter[JEE-2016] | JEE Main | rms Velocity |how to calculate rms velocity
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51
The pH of a 0.1 molar solution of the acid HQ is 3..[JEE Main -2012] | Equilibrium
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52
In the following reaction ' X' is [ JEE Main-2023]
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53
The process with negative entropy change is [JEE Mains -2019] | Thermodynamics
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54
The reduction potential of hydrogen half cell will be..| JEE Main-2011 | Electrochemistry
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55
Find the major product of following reaction? | alkene react with HI. JEE-2021
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56
Organic reaction | JEE-2014
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57
Organic reaction | JEE-2014
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58
The correct statement regarding nucleophilic.. [JEE Main-2024 ,27th JAN Morning shift]
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59
Find the major product (JEE-2022) | Oxymercuration Demercuration |
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60
Organic reaction | JEE -2012
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61
Numerical-JEE | mole concept
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