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Mnemonics to prepare for Chemistry Section

Last Updated - May 05, 2018

Students appearing for NEET must be aware of the exam pattern and syllabus. Preparation is in full swing as students solve practice papers and go over the syllabus. NEET 2018 will be conducted on May 6, 2018.

Mnemonics are fun learning tools that creates an association of complex theory or formulae with ordinary items or activities and helps in memorizing concepts. Common mnemonics are short poems, phrases or acronyms that allows easy memory recall.

Students in preparation for NEET can use some cool mnemonics to commit to memory the huge load of concepts that, particularly, Chemistry syllabus has. In this section, we list some popular mnemonics that students can resort to jazz up their NEET Chemistry Prep.

  • Sequence of atomic orbitals: Sober Physicists Don’t Find Giraffes Hiding In Kitchens. (After the k shell, they follow alphabetical order (skipping s and p as they came earlier).
  • The first 20 elements in the Periodic Table: Happy Henry Lives Beside Boron Cottage, Near Our Friend Nelly Nancy MgAllen. Silly Patrick Stays Close. Arthur Kisses Carrie.
  • (H – Hydrogen, He – Helium, Li – Lithium, Be – Beryllium, B – Boron, C – Carbon, N – Nitrogen, O – Oxygen, F – Fluorine, Ne – Neon, Na – Sodium, Mg – Magnesium, Al – Aluminum, Si – Silicon, P – Phosphorus, S – Sulfur, Cl – Chlorine, Ar – Argon, K – Potassium, Ca – Calcium).

Activity Series of Metals:

  • Please Stop Calling Me A Cute Zebra I Like Her Call Smart Goat. (Potassium>Sodium>Calcium>Magnesium>Aluminium>(Carbon)*>Zinc>Iron>Lead>Hydrogen>Copper>Silver>Gold), OR
  • Kangaroos Naturally Muck About in Zoos For Purple Hippos Chasing Aardvarks. (K > Na > Mg > Al > Zn > Cr > Fe > Pd > H > Cu > Au)
  • Electronegativity: First Off, Clean Now; Bring In Some Caps, Halters, and Pants. (Fluorine >Oxygen >Nitrogen >Chlorine >Bromine >Iodine >Sulphur >Carbon >Hydrogen > Phosphorus)
  • Cats have paws ⇔ Cations are pawsitive.
  • An anion is a negative ion. (Anegativeion ⇒ Anion).
  • An Oil Rig Cat: At the ANode, Oxidation Involves Loss of electrons. Reduction Involves Gaining electrons at the CAThode.

Periodic Table:

  • Group 1A - Ha LiNa Kare Rb se Fariyad/HighLy Nasty Kids Rub Cats Fur. (H, Li, Na, K, Rb, Cs, Fr)
  • Group 2A - Beta Mange Car Scooter Baap Razi/Beer Mugs Can Serve Bar Rats. (Be, Mg, Ca, Sr, Ba, Ra)
  • Group 3 - Bengan Aloo Gajar In Thaili/Bears Always Give Indians Trauma. (B, Al, Ga, In, Tl)
  • Group 4A - CaSi Gaye Sant Prabhu/Can Silly Germans Snatch Pub? (C, Si, Ge, Sn, Pb)
  • Group 5 - Nana Patekar Asihwariya Sab Bhikari/Never Pout As SbBina (N, P, As, Sb, Bi)
  • Group 6A - Us Se Te Po/Oh, She Sent Them Poland. (O, S, Se, Te, Po)
  • Group 7A - Fir kal Bahar aayI Aunty/ “Floor Cleaner Broken?” I Asked. (F, Cl, Br, I, At)
  • Group 8A - Harbhajan Nehra AgarKar Zero p Run Out. /He Needs OUR Krazy Xerox RepairmaN. (He, Ne, Ar, Kr, Xe, Rn)
  • First Row Transition Metals - Scanty Tina Vella Cried, Manyaa, Feeling Cold Next to Cousin (CuZn). (Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn)
  • Second Row Transition Metals - Yar ZarNab MokTc RuhRah Pade Aage Cade/ Yes, Sir Nob. Most Technicians Rub Rod’s Pale Silver Cadillac. (Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd)
  • Third Row Transition Metals - La HfTa WaReOs IrPtAu Hoga/Larry’s Half Taken, Wendy Reached Out Her Plate Audibly, Helga. (La, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg)
  • Lanthanides - Caesar Procrastinated at the Nile, Permitting So Many Europeans (who were) Getting Turbid (and) Dying (of) Home Urges [Erges] To Yell “Lutetium!” (Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu)
  • Actinides - Three Planets: Uranus, Neptune, Pluto. Amma Came Bakery to Clarify East Farm Mud on Noble Laws. (Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lr)
  • Passive oxides - feco ni karare allu (Fe, Co, Ni, Cr, Al).
  • Electrochemical series (reduction potential) in increasing order - Le ke bahar sardar ka naam mange ali mahan, Jan kar fenke cd koi niche suno prabhat hai kaun, Aayein aagye honge brahmanand pandit aur kalawati sona layi free me. (Li K Ba Sr Ca Na Mg Al Mn Zn Cr Fe Cd Co Ni Sn PB H Cu I Ag Hg Br Pd O Cl Au F).
  • BAN/153 - nf for KMnO4 (basic, acidic, neutral).
  • Amphoteric oxides - janabe Ali Be Car Gaye punjabi-baag, australia, sibia bik gaya germany ke hath (Zn,Al,Be,Cr,Ga,Pb,As,Sb,Bi,Ge).

Topics in Chemistry (weightage-wise)

It is important that students have a fair understanding of the coverage of the NEET syllabus for Chemistry paper. Based on the frequency of questions asked on specific topics, the most important topics of the subject can be segregated for selective preparation. The following table depicts the number of questions that have been asked in NEET 2017 in each of the topics mentioned. Based on the following tabulation, students can make their preparations. In NEET 2017, 16 questions were based on Chemistry Class XI while 29 questions covered Chemistry Class XII syllabus.

Unit and TopicNumber of QuestionsTotal MarksWeightage Percentage
Inorganic Chemistry166435.56%
Chemical Bonding52011.11%
Periodic Table & Periodicity in Properties142.22%
Coordination Compounds4168.89%
d-block & f-block Elements284.44%
Qualitative Analysis142.22%
Organic Chemistry166435.56%
General Organic Chemistry3126.67%
Alkyl Hallide, Alcohol & Ether (Reaction Mechanism)284.44%
Aromatic Compounds142.22%
Carbonyl Compounds4168.89%
Chemistry in Every Life142.22%
Environmental Chemistry142.22%
IUPAC & Isomerism284.44%
Practical Organic Chemistry142.22%
Physical Chemistry135228.89%
Atomic Structure & Nuclear Chemistry142.22%
Chemical Equilibrium284.44%
Ionic Equilibrium142.22%
Mole Concept142.22%
Thermodynamics and Thermochemistry284.44%
Chemical Kinetics284.44%
Solid State142.22%
Solution & Colligative Properties142.22%
Surface Chemistry142.22%

NEET Chemistry Paper Analysis

The chemistry section of NEET 2018 will have 45 multiple-choice questions, with a total maximum score of 180 marks; each correct answer carrying 4 marks while each wrong answer attracting a penalty of -1 mark. Questions that are not attempted or questions with two options marked as answer will be awarded 0. Since the exam is an offline one, students will have to mark their answers properly in an OMR sheet with blue/black ball point pen. Read More AboutNEET 2018 Paper Analysis.

  • NEET 2017 question paper posed more number of questions from Organic Chemistry than Inorganic Chemistry, breaking the pattern of many years.
  • Examinees were of the opinion that the questions covering class XI syllabus were not very tough but the ones from class XII syllabus were very tricky.
  • The questions were mostly conceptual and candidates were to apply their knowledge of basic concepts to solve problems in the paper.

An analysis of past NEET question papers reveal that s-block, p-block, d-block & f-block are the common topics while special reactions in organic chemistry also deserve a special mention. Given the trend set by NEET 2017, students appearing for NEET 2018 should expect maximum number of question from Organic Chemistry. Experts suggest that the following topics be given precedence at the time of exam preparation.

  • Organic Chemistry
  • Coordination Compounds
  • Chemical Bonding
  • Carbonyl Compounds

Here follows an expected topic-wise most frequently asked questions and their corresponding percentage in NEET Chemistry.

TopicsFrequency of questionsPercentage of questions
Chemical Bonding and Molecular Structure3710.05
General Organic Chemistry256.8
p Block Elements225.97
Alkanes, Alkenes and Alkynes (Hydrocarbons)205.43
Atomic Structure174.61
Carbonyl Compounds (Aldehydes and Ketones)164.34
Classification of Elements and Periodicity in Properties164.34
Solutions and Colligative Properties164.34
Ionic Equilibrium154.07
Chemical Thermodynamics133.53
d and f Block Elements123.26

In the following table, we have collated the number of questions that have appeared in NEET from each topic in order to help students which topics to prioritize while preparing the subject.

Classification of Elements and Periodicity in Properties00000200100211
s-Block Element (Alkali and Alkaline earth metals)14325113211022
Some p-Block Elements12111010103002
Environmental Chemistry00100010------



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