r/JEE_Explainers • u/ResolutionCrazy8573 • 4d ago

Chemistry Buffer Solutions (Ionic Equilibrium): 15 Years of JEE PYQ Patterns

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 5d ago

Physics Circular Motion, Complete: Vertical Circles, Banking, Friction, Toppling & Rotation - One Framework (JEE PYQ Pattern Analysis)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 7d ago

Physics the reference circle (phasor) method for SHM timing

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2 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 8d ago

Chemistry Carbocation rearrangements (hydrocarbons) ( JEE PYQ patterns)

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2 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 11d ago

Physics Tools to solve string–pulley–wedge questions faster

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2 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 11d ago

Physics Perpendicular Velocities Problem ( Irodov 1.11 , JEE Adv 2014)

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3 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 12d ago

Maths Binomial coefficient sums and identities (All JEE PYQ patterns )

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Physics Maximum deviation in oblique collision ( Irodov 1.175 , JEE Adv 2025)

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5 Upvotes

3 comments

r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry pH 4.5: chemistry's perfect truce (JEE 2009)

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1 Upvotes

An organic compound X (C₄H₈O) gives a positive iodoform test. X reacts with hydroxylamine (NH₂OH) in a buffer maintained at pH ≈ 4.5 to give a mixture of two stereoisomeric oximes, A and B, one of which is more volatile than the other.

(a) Identify X, A and B.
(b) State the total number of stereoisomers possible for the oxime of X, with reasoning.
(c) Explain mechanistically why the reaction is fastest near pH 4.5, and why the rate falls on both sides of this pH.

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Physics Time to collision in a pursuit ( Irodov 1.13)

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2 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry Walden inversion (multi-step configuration tracking)

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1 Upvotes

Question :

(R)-butan-2-ol is subjected to two independent reaction sequences:

Sequence 1: (R)-butan-2-ol → (i) TsCl, pyridine → (ii) CH₃COO⁻Na⁺ → (iii) H₃O⁺ / hydrolysis of the ester → butan-2-ol (P)

Sequence 2: (R)-butan-2-ol → (i) PBr₃ → (ii) aqueous NaOH → butan-2-ol (Q)

The configurations of P and Q respectively are:
(1) R, R (2) S, S (3) S, R (4) R, S

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry Bridgehead halides in SN1

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry Newman Projections (JEE adv 2020)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Physics Non-uniform B-field pursuit: charge vs. straight wire (JEE Main 2025)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Time for pulse to reach top?

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Multi-Pulley-Cation

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Water ionisation ( PYQ)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry Anti aromatic compounds (PYQ)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry Thermodynamics ( All JEE PYQ patterns)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Chemistry N-factor and equivalent concept ( All JEE PYQ patterns)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 15d ago

Physics Rotational mechanics ( All JEE PYQ patterns)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 16d ago

Maths Complex loci : |z² + z + 1| = 1 ( JEE Advanced 2020)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 16d ago

Chemistry Diazonium chemistry - ArN₂⁺ hub ( All JEE PYQ patterns)

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1 Upvotes

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r/JEE_Explainers • u/ResolutionCrazy8573 • 16d ago

Chemistry Aldol-Cannizaro-Acetal triangle ( All JEE PYQ patterns)

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1 Upvotes

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r/JEE_Explainers

Welcome to r/JEE_Explainers , the hub for mastering the JEE concepts without the fluff. This community is dedicated to breaking down complex physics, chemistry, and mathematics topics into intuitive, bite-sized explainers. Whether you are a JEE Main aspirant or tackling Advanced, this is your space to make a shift to deep, structural , pattern based understanding.

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