Madhu Vihar, Delhi, India - 110059.
Details verified of Rajesh Singh✕
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Hindi Proficient
English Basic
Jay prakash university, chapra 2002
Bachelor of Arts (B.A.)
Bhartiya shiksha parishad UP 2012
Bachelor of Education (B.Ed.)
Madhu Vihar, Delhi, India - 110059
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Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class I-V Tuition
19
Board
ICSE, International Baccalaureate, CBSE, State, IGCSE
IB Subjects taught
Science, Hindi, Social studies, Mathematics
CBSE Subjects taught
Mathematics, Computers, Social Science, EVS, Hindi, Science
ICSE Subjects taught
Computer science, Hindi, EVS, Mathematics, Science, Social Studies
IGCSE Subjects taught
Hindi, Mathematics, Science
Taught in School or College
Yes
State Syllabus Subjects taught
Mathematics, EVS, Social Science, Computer Science, Science, Hindi
Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
1. Which school boards of Class 1-5 do you teach for?
ICSE, International Baccalaureate, CBSE and others
2. Have you ever taught in any School or College?
Yes
3. Which classes do you teach?
I teach Class 8 Tuition and Class I-V Tuition Classes.
4. Do you provide a demo class?
Yes, I provide a paid demo class.
5. How many years of experience do you have?
I have been teaching for 19 years.
Answered on 08/10/2019 Learn CBSE/Class 11/Science/Chemistry/The s-Block Elements/NCERT Solutions/Exercise 10
In Lithium fluoride the lattice enthalpy is very high due to small size of fluoride ions. In this case the hydration enthalpy is very less. Hence, LiF is insoluble in water. Where as in lithium chloride the lattice enthalpy is very small due to large size of chloride ions and hence its hydration enthalpy is high. More over LiCl has partial covalent and partial ionic character due to the polarization of Chloride ion by Lithium ion. Due to its low hydration energy and partial covalent and partial ionic character LiCl is soluble in water as well as acetone.
Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class I-V Tuition
19
Board
ICSE, International Baccalaureate, CBSE, State, IGCSE
IB Subjects taught
Science, Hindi, Social studies, Mathematics
CBSE Subjects taught
Mathematics, Computers, Social Science, EVS, Hindi, Science
ICSE Subjects taught
Computer science, Hindi, EVS, Mathematics, Science, Social Studies
IGCSE Subjects taught
Hindi, Mathematics, Science
Taught in School or College
Yes
State Syllabus Subjects taught
Mathematics, EVS, Social Science, Computer Science, Science, Hindi
Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Answered on 08/10/2019 Learn CBSE/Class 11/Science/Chemistry/The s-Block Elements/NCERT Solutions/Exercise 10
In Lithium fluoride the lattice enthalpy is very high due to small size of fluoride ions. In this case the hydration enthalpy is very less. Hence, LiF is insoluble in water. Where as in lithium chloride the lattice enthalpy is very small due to large size of chloride ions and hence its hydration enthalpy is high. More over LiCl has partial covalent and partial ionic character due to the polarization of Chloride ion by Lithium ion. Due to its low hydration energy and partial covalent and partial ionic character LiCl is soluble in water as well as acetone.
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Madhu Vihar, Delhi 
