06:30

Given below are the half-cell reactions.Mn+2 + 2e- → Mn; E° = - 1.18V Mn+3 + e- → Mn+2; E° = + 1.51V

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When X×10^-2 mL methanol (CH3OH , density 0.792 g/cm³) is added to 100 ml water(density=1 g/cm³)

04:45

In ideal solution of non-volatile solute B in solvent A in 2:5 molar ratio has vapour pressure 250mm

09:10

When an aqueous solution of lithium chloride is electrolyzed using graphite electrodes

09:47

Given:-(i)E°Cu+2/Cu = 0.337V(ii) E°Cu+2/Cu+=0.153V Electrode potential for the rxn E°Cu^+/Cu will be

10:03

Decreasing order of electrical conductivity of aqueous solution is : Formic ,acetic & benzoic Acid

11:59

Which one of the following graph between molar conductivity vs √C is correct JEE Mains 2019

08:12

At what pH, given half cell MnO4-(0.1M)|Mn+2 (0.001M) will have electrode potential of 1.282V?

06:17

mass of Zn produced by the electrolysis of ZnSO4 solution with a current of 0.015A for 15 min is

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Unit of Conductance , conductivity , molar conductance and equivalent conductance #chemwarriors

05:41

A dilute aq.solution of CuSO4 is electrolyse using pt electrode.product at the anode and cathode are

03:59

A constant current was passed through a solution of AuCl4- ion between gold electrodes #chemwarriors

03:09

For a given chemical rxn A→B at 300 K ΔG° is - 49.4 kJ/mol and ΔH is 51.4 kJ/mol.ΔS of the rxn is

07:36

Consider the following redox reaction MnO4^- + H^+ + H2C2O4 → Mn^+2 + H2O + CO2

05:37

What products are formed during the electrolysis of concentrated aqueous solution of sodium chloride

06:51

Electrolysis of aq.CuSO4 produces(1)increase pH(2)decrease pH(3)either decrease or increase(4)none

04:35

For a reaction X + Y ⇌ 2Z , 1.0 mol of X, 1.5 mol of Y and 0.5 mol of Z were taken in a 1L vessel

07:38

The emf of cell Tl | Tl+(0.001) || Cu+2(0.001) | Cu is 0.83 V at 298 K. It could be increased by

13:00

Mass of Ag (MM of Ag-108) displaced by a quantity of electricity which displace 5600 mL of O2 at STP

06:04

Which out of the following is a correct equation to show change in molar conductivity wrt conc.

40:31

Quantum Model Structure of Atom ,Solution of Wave model Schrödinger equation ,Node of Wave Equation

09:22

1.0 mol of ideal gas, initially at 10 atm and 300K is allowed to expand isothermally to 1.0 atm.

03:40

A hypothetical electromagnetic wave is show below.The frequency of the wave is x × 10^19 Hz. x = ……

06:37

Mechanism of a hypothetical reaction X2 + Y2 → 2XY, is given below:(i) X2 → X + X (fast) NEET 2017

05:34

Ge(Z=32) in its ground state electronic configuration has x completely filled orbitals with ml=0

07:24

Bicyclohexane was found to undergo parallel first order reaction at 730 K to form cyclohexane.

04:04

In an atom,total no. of electrons having quantum numbers n = 4, |ml| = 1 and ms= -1/2 JEE Mains 2024

08:40

The rate of a certain biochemical reaction at a temp occur 10^6 time faster with enzyme than without

08:18

The number of molecules with energy greater than the threshold energy for a rxn increase five fold

08:43

sample of milk splits after 60 min. at 300 K and after 40 min. at 400 K.The activation energy #JEE

05:40

rate of 1st a order rxn is 1.5x10^-2 at 0.5 M conc. of the reactant.The half-life of the rxn is

11:03

Ksp of Ag2CrO4,AgCl,AgBr and AgI are, given Which one of the following salts will precipitate last

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Ratio of (C14/C12) in a piece of wood is (1/8)part that of atmosphere.If half life of C14 is 5730yrs

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Balancing of Redox Reactions by Oxidation Number Method & Half Reaction Method Both #chemwarriors

07:41

Match List-I(Conversion), List-II(No.of Faraday required) NEET - 2024 #chemwarriors

09:37

Which one of the following is most soluble? Bi2S3 , Ag2S , CuS, MnS if Ksp is given CBSE AIPMT 1994

06:37

If Ksp, of Ag2CO3, is 8x10-12, the molar solubility of Ag2CO3, in 0.1 M AgNO3 #chemwarriors JEE PYQ

11:12

Consider reaction 2NO⇌N2+O2 in a sealed.what will be degree of dissociation (α) of NO NEET 2024 PYQ

05:48

pH of saturated solution of Ba(OH)2 is 12.The value of Ksp of Ba(OH)2 is CBSE AIPMT 2012

08:47

An acidic buffer is obtained on mixing JEE (Main)-2020 #chemwarriors

06:00

2SO2(g) + O2(g) ⇌ 2SO3(g) the total pressure in the reaction vessel JEE Mains 2021 July 27 Evening

05:01

The stoichiometry and solubility product of a salt with the solubility curve given below is

09:32

The pH of 1 x 10-8 M HCI solution is 8.The conjugate base H2PO4-1 is HPO4-2. JEE Mains 2023 April 15

04:00

For the reaction Fe2N(s)+H2(g)⇌2Fe(s)+NH3(g) JEE Mains 2020 Sept 6 Shift-I relation between kp & kc

06:47

Increasing Order of Stability of the resonating structure in JEE Mains 2023 Jan 24 Shift-I

06:16

Three sparingly soluble salt that have same solubility products are given below :- AX , AX2 , AX3.

05:53

The oxidation number of Cr in CrO5 #chemwarriors #redoxreaction #chemistry

05:48

The oxidation number of C in HNC by #chemwarriors #oxidationnumber #redoxreaction

38:31

Important Chapter and Topic For JEE Mains 2025 #chemwarriors

11:40

In an estimation of Br2 by Carius method 1.6 g of an organic compound gave 1.88 g of AgBr

07:01

The correct order of acidic strength of the following carboxylic acid is Jee advanced 2019 PYQ

05:12

According to Bohr’s model, the highest kinetic energy is associated with the electron in the

11:30

The increasing order of basicity of the following compounds is JEE Mains 2021 PYQ #chemwarriors

09:32

Which among the following is the strongest acid ?JEE Mains 2021 PYQ

11:03

#No. of total isomer in alkane #The number of different chain isomers for C7H16 is #chemwarriors

11:40

No. of carbocation from the following that are not stabilized by hyperconjugation by JEE Mains 2024

08:43

The Correct Order of Stability of Carbanions JEE Mains 2024 PYQ April 4 Shift - II by #chemwarriors

12:29

Based on the VSEPR model match the xenon compounds given in list - I with the geo and no. of lp

08:33

Consider the following rxn 2H2(g)+2NO(g)→N2(g)+2H2O(g).The order of the rxn is JEE Advanced 2024 PYQ

05:48

Number of isomeric products formed by mono-chlorination of 2-methylbutane in presence of sunlight is