PARABOLA JEE TEST

https://drive.google.com/drive/folders/12WGopaFlvm7_UuYh7oI4o0h2XWmgqHaa

HYDROGEN AND REDOX CUMULATIVE TEST JEE/NEET

https://drive.google.com/drive/folders/12WGopaFlvm7_UuYh7oI4o0h2XWmgqHaa

Read the following steps
1.Click the ABOVE link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet and tick the correct answer option

SIMPLE HARMONIC MOTION (OSCILLATIONS) jee/neet test

SIMPLE HARMONIC MOTION (OSCILLATIONS)
click the following link and fill the form then you will get question paper with option finally submit it.

https://docs.google.com/forms/d/e/1FAIpQLSfHR5AKq9t0BwU_4OK5WXE0cUtu1Z9N_c0-65YRWQztQtFkRQ/viewform?vc=0&c=0&w=1

REDOX REACTIONS JEE/NEET TEST

https://drive.google.com/drive/u/1/folders/1EFUr3w4tJ_tpHvZ3lh19aLdYfk-TM_pb

follow the following steps
1.Click the ABOVE link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet and tick the correct answer option

HYDROGEN JEE/NEET PRACTICE TEST-1

https://drive.google.com/drive/folders/1EFUr3w4tJ_tpHvZ3lh19aLdYfk-TM_pb
 
follow the following steps
1.Click the ABOVE link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet and tick the correct answer option 

amines updated test paper

https://drive.google.com/drive/u/0/folders/10LDnplZAAyFIP7zR7lAVWRh8COF0Xhr0

CHEMICAL BONDING TEST-1

https://drive.google.com/drive/folders/1EFUr3w4tJ_tpHvZ3lh19aLdYfk-TM_pb

follow the following steps
1.Click the following link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet and tick the correct answer option 

BIOMOLECULES JEE/NEET PT-1

https://drive.google.com/drive/folders/1ZNNttCyLjOMI3rg1GSErzrOZlo-nHgZH

follow the following steps
1.Click the following link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet and tick the correct answer option

AMINES JEE PRACTICE TEST-2

https://drive.google.com/drive/u/0/folders/10LDnplZAAyFIP7zR7lAVWRh8COF0Xhr0

follow the following steps
1.Click the following link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet ans tick the correct options

periodic classification of elements class 11 jee practice test-1

https://drive.google.com/drive/u/0/folders/13x9PYye8_mtnstAJkPMhi2tnTfDmt2ID

follow the following steps
1.Click the following link you will get pdf form
2.Open the pdf form then click the given link in pdf form you will get omr sheet
3.fill the OMR sheet and tick the correct answer option 

last 41 years jee mains and advanced questions chapter wise

https://drive.google.com/drive/folders/1D_SDWm3ulPSQsaoyvk4Jzu_ClvTcNAYq

last 41 years jee mains and advanced questions chapter wise  practice this book all the best

https://drive.google.com/file/d/1DeXu9JdJ5ACggW2KumbAN3GkMte9m3Jo/view?ts=5dcbe736

Jee chemistry

https://drive.google.com/folderview?id=123Cg1JPPS9NgeKyh7SBigzyyfL0hwXDF

ELECTRO CHEMISTRY PART TEST -2

Click the following link you will get question paper then click a given link in question paper you will get omr sheet fill it and submit then you will get your instant score.

https://drive.google.com/drive/folders/1D8tuxM3DXstjuC0Ll9y9XO8XiCerW21v

Electro chemistry jee/neet part test-1

click the following link you will get question paper then click a given link in question paper you will get omr sheet fill it and submit then you will get your instant score.

https://drive.google.com/drive/folders/1D8tuxM3DXstjuC0Ll9y9XO8XiCerW21v

jee sample test hydrocarbons

total 25 questions each question 4 marks chapter hydrocarbons

https://docs.google.com/forms/d/14QQi_CmQZ3qpeV7RVo3kcLg7ubErkBEqGU1-nt7MYh8/edit

ALL NAMED REACTIONS class 12

https://drive.google.com/drive/u/0/folders/18ctqzeJBBhpNk8HN1t-NGroVQdYXDXuW

Octane number

https://youtu.be/vL8Uj2CNWtI

Anti knocking components

https://youtu.be/bNLs2UmLZXs

For 2019 April jee mains practice test

https://drive.google.com/folderview?id=12X3Io35-fvjyvdC-a6PAeNut1udN3VBb

jee bansal notes

https://drive.google.com/open?id=1ctcLUDZ6ZB5xxYwcYg4jphTQSVYQ-lHa

quick revison

https://drive.google.com/file/d/11dXEFmbx88tv0haf76-PyVGWPEpUgkPc/view

vidyamandir jee material

https://edujournal.in/vidyamandir-classes-full-chemistry-study-material-for-jee-neet-download-free-pdf/

reducing agents of metal hydrides

Education sites

Dear All,
In need of any book(.pdf) relating to any subject/field or topic?
Go to your browser and type:
www.pdfdrive.net
You will get access to millions of  books you need, for free.
Unlimited downloads.

You may browse by title or author, etc.
Currently 274376478 books are available for free and every minute, around 50 new books are added to the database.
All downloads are free😊.

Spread this message....

https://youtu.be/KK2aXtjdLYg
(Chemcore Academy)

*_SOME USEFUL  WEBSITES  ONLINE EDUCATIONAL SUPPORT_*

https://youtu.be/KK2aXtjdLYg (Chemcore Academy)
www.khanacademy.org
www.academicearths.org
www.coursera.com
www.edx.org
www.open2study.com
www.academicjournals.org
codeacademy.org
youtube.com/education

*BOOK SITES*
www.bookboon.com
http://ebookee.org
http://sharebookfree.com
http://m.freebooks.com
www.obooko.com
www.manybooks.net
www.epubbud.com
www.bookyards.com
www.getfreeebooks.com
http://freecomputerbooks.com
www.essays.se
www.sparknotes.com
www.pink.monkey.com

*ONLINE EDUCATIONAL SUPPORT*
http://www.ocwconsortium.org/
http://www.ocwconsortium.org/en/courses/ocwsites
http://ocw.tufts.edu -Tuft University
http://ocw.upm.es -Univesidad Politechnica, Madrid
http://www.open.edu/openlearn/
http://ocw.usu.edu/ -Utah State University
http://open.umich.edu/ -University of Michigan
http://ocw.nd.edu/ -Nore Dame University

*ANSWERS TO QUESTIONS*
www.ehow.com
www.whatis.com
www.howstuffwork.com
www.webopedia.com
www.plagtracker.com
www.answers.com

*SEARCH SITES*
■ About.com (www.about.com)
■ AllTheWeb (www.alltheweb.com)
■ AltaVista (www.altavista.com)
■ Ask Jeeves! (www.askjeeves.com)
■ Excite (www.excite.com)
■ HotBot (www.hotbot.com)
■ LookSmart (www.looksmart.com)
■ Lycos (www.lycos.com)
■ Open Directory (www.dmoz.org)
■ Google (www.google.com)
■ Mamma (www.mamma.com)
■ Webcrawler (www.webcrawler.com)
■ Aol (www.aol.com)
■ Dogpile (www.dogpile.com)
■ 10pht (www.10pht.com)

*SEARCHING FOR PEOPLE*
■ AnyWho (www.anywho.com)
■ InfoSpace (www.infospace.com)
■ Switchboard (www.switchboard.com)
■ WhitePages.com (www.whitepages.com)
■ WhoWhere (www.whowhere.lycos.com)

*SEARCHING FOR THE LATEST NEWS*
■ ABC News (www.abcnews.com)
■ CBS News (www.cbsnews.com)
■ CNN (www.cnn.com)
■ Fox News (www.foxnews.com)
■ MSNBC (www.msnbc.com)
■ New York Times (www.nytimes.com)
■ USA Today (www.usatoday.com)

*SEARCHING FOR SPORTS HEADLINES AND SCORES*
■ CBS SportsLine (www.sportsline.com)
■ CNN/Sports Illustrated (sportsillustrated.cnn.com)
■ ESPN.com (espn.go.com)
■ FOXSports (foxsports.lycos.com)
■ NBC Sports (www.nbcsports.com)
■ The Sporting News (www.sportingnews.com)

*SEARCHING FOR MEDICAL INFORMATION*
■ healthAtoZ.com (www.healthatoz.com)
■ kidsDoctor (www.kidsdoctor.com)
■ MedExplorer (www.medexplorer.com)
■ MedicineNet (www.medicinenet.com)
■ National Library of Medicine
(www.nlm.nih.gov)
■ Planet Wellness (www.planetwellness.com)
■ WebMD Health (my.webmd.com)

*JOURNALS*
http://www.indexcopernicus.com Multidisciplinary
http://www.ajol.info/ - African Journal Online
www.africanjournalseries.com -
www.devconsortservices.com.ng
www.doaj.org - directory of open access journal
www.sabinet.co.za - South African Journals.
www.oajse.com - Open Access Journal Search Engine
http://www.lub.lu.se/en.html - Lund University
http://www.dovepress.com/ - Free Scientific & Medical Materials
http://www.copernicus.org/ - Access & Publication

ACADEMIC SEARCH/WEB RESEARCH TOOLS/REFERENCE MANAGERS
http://academic.research.microsoft.com - Multidisciplinary
http://www.scirus.com
www.scholar.google.com
http://dbis.uni-trier.de/DBL-Browser/ - Digital Bibliography Library Browser
http://academic.live.com - Live Search Academic
http://www.science.gov/ - USA government for Science
http://citeseerx.ist.psu.edu/index - Computing & Information Sciences
http://www.mendeley.com/ - academic social network/collaboration
http://www.worldcat.org/ - Multidisciplinary
http://libserver.cedefop.europa.eu - Voc & Tech Education
http://inspirehep.net/ - Stanford physics information retrieval system

Indian science

https://youtu.be/9-7Y3UuejOs

self test jee mains march 2019

https://drive.google.com/drive/folders/1mAnDueb_BAcZWBN8NICwkZC-Akfu8JTC

jee practice papers

https://admission.aglasem.com/jee-main-sample-papers/

2019 jee mains papers with solutions

https://www.vedantu.com/iit-jee/jee-main-question-paper-2019

jee 2019 papers with answers

https://www.shiksha.com/b-tech/articles/jee-main-2019-answer-keys-and-solutions-by-allen-blogId-19901

class 12 chem jee

https://drive.google.com/drive/folders/1KZbQ9MZwWnt0Ocq7tALyxSfIAaiFOoQ9

williamson ether synthesis reference

https://www.masterorganicchemistry.com/2014/10/24/the-williamson-ether-synthesis/

nri academy jee, neet material

https://drive.google.com/drive/folders/14JctW2StZsx7UZmt5x33GJZOxIRLpCL3

williamson ethersynthesis

why NiCl4 is tetrahedral but PtCl4 is square planar? co-ordination chemistry

The two main factors that differentiate the Ni(II) complex from the Pd(II) complex are therefore:

1. The 4d    orbitals of Pd2+$\mathrm{P}\mathrm{d}{\phantom{X}}^{2+}$ are more radially diffuse (i.e. bigger) and therefore form stronger overlap with the orbitals on Cl−$\mathrm{C}\mathrm{l}{\phantom{X}}^{-}$, as compared to the 3dorbitals of Ni2+$\mathrm{N}\mathrm{i}{\phantom{X}}^{2+}$. This leads to larger splitting of the d$\mathrm{d}$ orbitals - or the relevant MOs ^{_{(I'm too lazy to check their symmetry labels)}} - and hence a larger ΔE$\mathrm{\Delta }E$.
2. Again because the dorbitals are more diffuse, the pairing energy P is smaller in the palladium complex (it basically costs less energy to stuff them into the same orbital).

Together, these two factors ensure that practically all 4d and 5d d8 ML4$\mathrm{M}\mathrm{L}{\phantom{X}}_4$ complexes adopt a square planar geometry, even if the ligand is not a strong-field ligand. Other examples of such square planar complexes are [PtCl4]2−$[\mathrm{P}\mathrm{t}\mathrm{C}\mathrm{l}{\phantom{X}}_4]{\phantom{X}}^{2-}$ and [AuCl4]−$[\mathrm{A}\mathrm{u}\mathrm{C}\mathrm{l}{\phantom{X}}_4]{\phantom{X}}^{-}$.

In fact,  same factors also cause the octahedral complexes to be almost invariably low-spin. For example, the d5 complex [Fe(ox)3]3−$[\mathrm{F}\mathrm{e}(\mathrm{o}\mathrm{x}){\phantom{X}}_3]{\phantom{X}}^{3-}$ has five unpaired electrons, indicating a high-spin configuration, (t2g)3(eg)2$({\mathrm{t}}_{2\mathrm{g}}{)}^3({\mathrm{e}}_{\mathrm{g}}{)}^2$. However, [Ru(ox)3]3−$[\mathrm{R}\mathrm{u}(\mathrm{o}\mathrm{x}){\phantom{X}}_3]{\phantom{X}}^{3-}$ has one unpaired electron, which implies a low-spin configuration (t2g)5$({\mathrm{t}}_{2\mathrm{g}}{)}^5$.