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# Mallela Harish

## Lecturer in Chemistry with 6+ years of teaching ex...

Maruti Nagar, Nizamabad, India - 503002

15 Students taught

Referral Discount: Get ₹ 500 off when you make a payment to start classes. Get started by Booking a Demo.

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Identity

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## Teaches

Class 12 Tuition

Class Location

Online Classes (Video Call via UrbanPro LIVE)

Student's Home

Tutor's Home

Years of Experience in Class 12 Tuition

7

Experience in School or College

I have 6+years of teaching experience in Chemistry

Teaching Experience in detail in Class 12 Tuition

Hello, I'm HARISH, I've 7+ years of experience in teaching chemistry for Mains, NEET & state board exam levels.

Class 11 Tuition

Class Location

Online Classes (Video Call via UrbanPro LIVE)

Student's Home

Tutor's Home

Years of Experience in Class 11 Tuition

7

Board

CBSE, State

State boards taught

Tamil Nadu State Board, Delhi State Board, Karnataka State Board, Uttarakhand State Board, West Bengal State Board, Uttar Pradesh State Board, Rajasthan State Board, Maharashtra State Board, Andhra Pradesh State Board, Odisha State Board, Gujarat State Board, Punjab State Board

CBSE Subjects taught

Chemistry

Experience in School or College

Hello, I'm HARISH, I've 7+ years of experience in teaching chemistry.

Taught in School or College

Yes

State Syllabus Subjects taught

Chemistry

Teaching Experience in detail in Class 11 Tuition

Hello, I'm HARISH, I've 7+ years of experience in teaching chemistry.

Class 10 Tuition

Class Location

Online Classes (Video Call via UrbanPro LIVE)

Student's Home

Tutor's Home

Years of Experience in Class 10 Tuition

6

Board

CBSE, State

State boards taught

Karnataka State Board, Maharashtra State Board, Andhra Pradesh State Board

CBSE Subjects taught

Science

Taught in School or College

Yes

State Syllabus Subjects taught

Science

Class 9 Tuition

Class Location

Online Classes (Video Call via UrbanPro LIVE)

Student's Home

Tutor's Home

Years of Experience in Class 9 Tuition

6

Board

CBSE, State

State boards taught

Delhi State Board, Tamil Nadu State Board, Karnataka State Board, Uttarakhand State Board, West Bengal State Board, Uttar Pradesh State Board, Rajasthan State Board, Maharashtra State Board, Andhra Pradesh State Board, Odisha State Board, Punjab State Board, Gujarat State Board

CBSE Subjects taught

Science

Experience in School or College

I have 6years of experience in teaching science for class 9. I have foundation level course. Book demo for more information. Thank you.

Taught in School or College

Yes

State Syllabus Subjects taught

Science

4.7 out of 5 10 reviews

Mallela Harish https://s3-ap-southeast-1.amazonaws.com/tv-prod/member/photo/9606340-small.jpg Maruti Nagar
4.70510
Mallela Harish
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"Just want to say that. (great teacher inspires the students ). If I ignore the anger and short temperness of our teacher then our sir is a great chemistry lecturer. But I want to clarify that sir doesn't get time to give his all knowledge to his students who want. "

Mallela Harish
M

"One of the best faculty I have seen in my total education experience. Your classes were very cool and Effective. I like your teaching from bottom of my heart. "

Mallela Harish
G

"Good teaching for everyone. Help for learning things in subject. To help for preparation for jee mains to wards the subject. "

Mallela Harish
S

"I really enjoying the sir teaching.He is very good at making the things in an easy way. Sir always use to teach us in a friendly way. Finally a big thanks to sir for doing hard work to support us. I really appreciate your work sir. "

Mallela Harish
S

"Sir you teaching very well. Sir is makes even boring topics interesting. Sirs notes are helping me. I am grateful to have a sir like Harish sir. "

Mallela Harish
A

"I am proud to be your student sir. You are teaching us in a great way. Things are going very smoothly. You are making content in a crystal clear way. I am very glad sir."

Mallela Harish
A

"I am proud to be your student sir. You teach us in a very best way sir. You clear our all doubts and make each and every concept in a great way. "

Mallela Harish
M

"The way Harish Sir explains is really good. Sir makes even boring topics interesting. Harish Sir's notes are very useful to us and , the shortcuts which Sir tells are very useful to us to remember easily. We are grateful to have a teacher like Harish Sir. "

Mallela Harish
T

"By this online IIT classes I had gained a lot of knowledge by our lecturers they teach a very well after attending is this online class I had learned lot of things which before I don't know thank you sir for teaching us. "

Mallela Harish
T

"Sir teach me in good way. I understand well. I am doing hard work. I definitely gain knowledge with these classes. "

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## Answers by Mallela Harish (12)

Hello Veda mam, I'm HARISH MALLELA, Which curriculum teacher are you looking for? State board/CBSE/IB/IGCSC?
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Predict the shapes of the following molecules on the basis of hybridization. BC13, ch4, co2, nh3

Hybridization expalains the formation and structure of heteroatomic molecules. According to hybridization theory in B is the central atom which underoes hybridization. B has 3bond pairs with no lone pairs. has trigonal planar geometry. (just like fan) in C is the cental atom. C undergoes... ...more

Hybridization expalains the formation and structure of heteroatomic molecules. According to hybridization theory

in $BCl_{3}$

B is the central atom which underoes $sp^{2}$ hybridization. B has 3bond pairs with no lone pairs.

$BCl_{3}$  has trigonal planar geometry. (just like fan)

in $CH_{4}$

C is the cental atom. C undergoes $sp^{3}$ hybdridization. C has 4bond pairs with no lonepairs.

$CH_{4}$ has tetrahedral geometry.

in $CO_{2}$

C is the cetral atom. C undergoes $sp$ hybdidization. C has 2bond pairs withno lone pairs.

$CO_{2}$ has linear geometry.

in $NH_{3}$

N is the central atom. N undergoes $sp^{3&space;}$ hybdidization. N has 3bondpairs with 1lone pair..

$NH_{3}$ has pyramidal geometry.

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Represent diagrammatically the bond moments and the resultant dipole moment in C02, NF3 and CHCl3.

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5. Find the molecular mass of H2O.

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The combinations of elements to form compounds follow some intresting laws, known as "Laws of chemical combinations". They are 1) law of conservations of mass. 2) law of definate proportions 3)law of multiple proportions 4)gay-lussacs law of gaseous volumes 5)avagadro law. 1) Law of conservation... ...more

The combinations of elements to form compounds follow some intresting laws, known as "Laws of chemical combinations".

They are

1) law of conservations of mass.

2) law of definate proportions

3)law of multiple proportions

4)gay-lussacs law of gaseous volumes

1) Law of conservation of mass: It was prposed by Antonie Lavoiser. It's states that matter neither can be created nor can be destroyed.It means that The masses of the reactants and products in a chemical reaction will be same.

ex:-

$C&space;+&space;O_{2}&space;\rightarrow&space;CO_{2}$

In the above reaction 12g of carbon (C) is reactiong with 32g of oxygen (O) to form 44g of carbon dioxide ($CO_{2}$) that means 12g+32g =44g.

reactant side mass is 12g+32g =44g & product side mass is 44g.

2) law of constant proportions: It is also know as law of definite proportions. It states that a given compound always have exactly the same proportion of elements by weight, irrespective of the source of the compound.

ex:-

The chemical formula of water is $H_{2}O$.

If you collect the water from tap (or) from sea (or) from rain (or) from a pond, the chemical formula of water remains same as $H_{2}O$.

HARISH MALLELA,

TUTOR PARTNER CHEMISTRY,

URBANPRO.

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## Lessons (1)

CONCEPT OF HYBRIDIZATION

Hybridisation is a hypothetical concept which explains about the formation and structure of molecules. Defination - the intermixing of atomic orbitals to produce symmetrical low energy containg hybrid...

30 May
0

Mallela Harish describes himself as Lecturer in Chemistry with 6+ years of teaching experience. He conducts classes in Class 10 Tuition, Class 11 Tuition and Class 12 Tuition. Mallela is located in Maruti Nagar, Nizamabad. Mallela takes Online Classes- via online medium. He has 7 years of teaching experience . Mallela has completed MSc in Chemistry from Osmania University in 2013. He is well versed in English, Telugu, Urdu and Hindi. Mallela has got 10 reviews till now with 100% positive feedback.

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