UrbanPro

Take Class 12 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

How would you explain the fact that first ionization enthalpy of sodium is lower than that of magnesium but its second ionization enthalpy is higher than that of magnesium?

Asked by Last Modified  

Follow 2
Answer

Please enter your answer

This is because for second ionisation enthalpy the electron has to be taken from complete octet which requires more energy in case of sodium .
Comments

As sodium has 1 electron in its valace shell so can easily lose it to complete his octet while Mag. Has 2 valance electron so 1st ionization enthalpy of sodium is lower than mag. . While for 2nd sodium have to lose electron from his complete octet so needed more energy while mag lose easily his 2nd electron...
read more

As sodium has 1 electron in its valace shell so can easily lose it to complete his octet while Mag. Has 2 valance electron so 1st ionization enthalpy of sodium is lower than mag. . While for 2nd sodium have to lose electron from his complete octet so needed more energy while mag lose easily his 2nd electron to complete octet hence 2nd ionization enthalpy of sodium is higher than mag 

read less
Comments

Related Questions

What if I join coaching for IIT JEE in class 12 and not in class 11. Will I still have clear cut concepts in class 11?
U can join .. but the pressures wud increase as u have to cover 2 yr syllabus in one yr .. so its bttr to strt earlyy as possible But if u can cope up n handle pressure .u r gud to go
Gowrikanth
0 0
6
I have just entered class 11. How should I start preparing for the IIT-JEE and board exams?
It is just the suitable time to begin your JEE and Board exam preparation. Start studying from NCERT books. They are a pre-requisite and will build a foundation for competitive exams. Divide the number...
Neha
0 0
7
Is coaching in class 12 necessary to score 100 in chemistry?
Coaching is NOT necessary. But one must be ready to develop some qualities/habits to substitute the advantages coaching institutes provides. 1. CONSISTENCY: You must be regular with your studies. Because...
Santosh
0 0
5

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

convert (i) nitromethane into dimethylamine? (ii) propanoic acid into ethanoic acid?
QUESTION convert (i) nitromethane into dimethylamine? (ii) propanoic acid into ethanoic acid? ANSWER Nitromethane into dimethylamine

Alkali Metal Like Sodium Displaces Hydrogen From Cold Water. Why?
Sodium is a good reducing agent (i.e. liberates electron) and therefore displaces hydrogen from water. The reaction can be explained as under: 2Na0 +2H2+1O-2→2Na+1O-2H+1+H20 We can see sodium...
D

Deleted User

0 0
0

Stochiometry
V

Vaishali M.

1 0
0

Isotopes-1
1) What is an Isotope? Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. 2) What determines the atomic number of an element? A...

All about entropy
Entropy, the measure of a system’s thermal energy per unit temperaturethat is unavailable for doing useful work. Because work is obtained from ordered molecular motion, the amount of entropy is also a...

Recommended Articles

Urmila is a passionate teacher with over 8 years of experience in teaching. She is currently pursuing her Ph. D. She provides classes for Class 11, Class 12, MBBS and Medical tuition.  Urmila began her career in teaching long before she became a teacher. She used to provide classes for foreign national students in her college...

Read full article >

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 12 Tuition Classes?

The best tutors for Class 12 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 12 Tuition with the Best Tutors

The best Tutors for Class 12 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more