Shaista Ansari
Turning Chemistry into success stories for 12+ years | BHU Postgraduate | IIT-JEE Advanced, AP, IB & IGCSE Specialist | Trusted by students
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Shaista Ansari
Masters degree
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Each lesson is 55 min
50 lessons
20% off
/ lesson
30 lessons
15% off
/ lesson
20 lessons
10% off
/ lesson
10 lessons
5% off
/ lesson
5 lessons
-
/ lesson
1 lessons
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/ lesson
Shaista Your chemistry tutor
I am Shaista Ansari, a highly experienced Chemistry tutor with over 12 years of teaching experience, specializing in Organic Chemistry. I hold a Master’s degree in Organic Chemistry from Banaras Hindu University (BHU), one of India’s most prestigious universities. I teach Chemistry at the high-school and senior-secondary level, with deep expertise in Organic Chemistry, and have taught in various reputed institutes. I have mentored many students who have secured top ranks in JEE, including JEE Advanced. I have also taught students internationally across different curricula such as AP, IB, and IGCSE, working with learners from the USA, Canada, UAE, and Europe. In addition to teaching, I have curated academic content for an esteemed e-learning app, focusing on strong conceptual clarity and exam-oriented preparation. Let's ace those tests together!
Meet Shaista
Shaista graduated from Banaras Hindu University
Specialities of your chemistry tutor
Career guidance
International Baccalaureate (IB)
Test prep strategies
Real world application
GCSE (UK)
Visual learning
Types of learners for chemistry class
Home schooled
High School students
Middle School students
Chemistry class overview
My teaching approach is concept-centric, strategic, and results-driven. I focus on deep concept building, breaking down even the most complex chemistry topics using models, visual explanations, and real-life examples to ensure complete clarity. I follow a comprehensive curriculum that covers a wide range of topics to cater to middle school and high school students. My strategy is simple and effective: Concept → Intensive Problem Solving → Worksheets & Exercises → Revision → Tests Each session is designed to strengthen fundamentals, sharpen analytical thinking, and build exam confidence through continuous practice and reinforcement. Chemistry doesn’t have to be memorized — it has to be understood. I excel in simplifying challenging topics, boosting confidence and achieving academic success through personalized tutoring sessions. Let’s take chemistry to the next level, together.
Your chemistry tutor also teaches
Organic Chemistry
Physical Chemistry
Inorganic Chemistry
Chemistry
Flexible Scheduling
Allows 1h early scheduling
Allows 1h early rescheduling
Can wait for 20 mins after joining
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10 day Refund
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Chemistry concepts taught by Shaista
The Tutor and Student reviewed Williamson ether synthesis, focusing on the use of alkoxides and the limitations of tertiary alkyl halides. They then moved on to epoxide ring formation using peracids, discussing the concerted mechanism and a shortcut method for predicting products. Finally, they started discussing ring opening reactions of epoxides under acidic and basic conditions and planned to continue in the next session.
Williamson Ether Synthesis
Peroxide Alkene Oxidation (Epoxidation)
Epoxide Ring Opening: Acid Catalyzed
Epoxide Ring Opening: Base Catalyzed
Alkene Nucleophilicity
The session covered alcohol preparation from alkenes, including acid-catalyzed hydration, oxymercuration-demercuration, and hydroboration-oxidation. The Student learned about Markovnikov's and anti-Markovnikov's rules, carbocation rearrangements, and Williamson ether synthesis. The next class will cover remaining reactions and then move on to oxidation reduction.
Acid-Catalyzed Hydration of Alkenes
Oxymercuration-Demercuration
Hydroboration-Oxidation
Markovnikov's Rule vs. Anti-Markovnikov's Rule
Williamson Ether Synthesis
The Tutor and Student reviewed substitution reactions of alcohols, specifically using thionyl chloride and phosphorus tribromide to form alkyl halides. They also covered the preparation of alcohols through the acid-catalyzed hydration of alkenes, including the mechanisms involving carbocation intermediates and Markovnikov's rule. The next class is scheduled for two hours on Saturday.
Conversion of Alcohols to Alkyl Halides using Phosphorus Halides (PBr₃
PCl₃
PI₃)
Acid-Catalyzed Hydration of Alkenes
Conversion of Alcohols to Alkyl Halides using Thionyl Chloride
The Tutor guided the Student through the IUPAC nomenclature of organic compounds including alcohols, aldehydes, ketones, ethers, and cyclic structures. They practiced naming various molecules by applying rules for parent chain selection, numbering, and suffix/prefix usage, and discussed the impact of functional group priority on naming. Physical properties like boiling point and solubility were also compared for different compound classes.
IUPAC Nomenclature Rules for Alcohols
Prioritization of Functional Groups in Nomenclature
Physical Properties: Boiling Point and Solubility
Nomenclature of Ethers
The Tutor and Student reviewed the classification of alcohols based on the degree of the carbon atom and began discussing IUPAC nomenclature rules for organic compounds. They planned to continue with nomenclature and reaction mechanisms in the next session, scheduling a two-hour class for the following day.
IUPAC Nomenclature Structure
Functional Group Priority and Nomenclature
Parent Chain Selection Rules
Numbering of the Parent Chain
Classification of Alcohols by Degree
Tools & techniques used by chemistry tutor
Assessments
Practice worksheets
Interactive diagrams
Digital whiteboard
Digital Note taking
Interactive chemistry lessons
Open Q&A
Parent feedback
Mobile joining
Note taking
Weekend lessons
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