Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Generally enthalpies of atomization increases from left to right till the middle of transition series & then decreases. However in 3d & 4d series Mn and Tc show abnormally low value. Why?

Generally enthalpies of atomization increases from left to right till the middle of transition series & then decreases. However in 3d & 4d series Mn and Tc show abnormally low value. Why?

Grade:12

1 Answers

Vikas TU
14149 Points
4 years ago
Due to lanthanide contraction such abnormalities can  be seen.
This contraction leads to the updown and imbalance in 3d and 4d orbital series for d-block elements.
Therefore, the Enthalpies of atomization increases from left to right till the middle of transition series & then decreases. However in 3d & 4d series Mn and Tc show abnormally low value.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free