1..  ORDER OF THERMAL STABILTY OF H2O ,H2S  H2Se H2Te , H2PO


 2..ACIDIC ORDER OF MnO ,MnO2 , Mn2O3  Mn2O5  Mn2O7


 3..  HYBRIDISATION  OF FREE RADICAL CH3• AND CF3•   ?


 4 .. Is tautomerism posible in HCN ?


 


 

3 years ago

Share

Answers : (1)

                    

Dear rohit,


The thermal stability and the bond energies decrease from Hp to HjPo gradually. The order is H20 > H2S > H2Se > H2Te > H2Po.


 


MnO behaves as a basic anhydride, MnO2 is amphoteric, and Mn2O7 is acidic.



We are all IITians and here to help you in your IIT JEE preparation.

All the best.


 If you like this answer please approve it....


win exciting gifts by answering the questions on Discussion Forum


 





Sagar Singh


B.Tech IIT Delhi


sagarsingh24.iitd@gmail.com




3 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
what is the selection procedure for iit jee 2015 exam????
 
 
There has been speculation going around that JEE Mains and JEE Advanced will merged from 2015. If that is the case,then one has to clear one exam.If the present system is followed then...
  img
Aziz Alam 14 days ago
sir, when i login to jeeadv to know the seat alloted to me will i have to pay right then or can i login again to pay the fee pls tell
 
 
you have to pay the fee before the next round allotment deadline at the respective iit you got, you can login and logout, but you have keep the deadline in mind.
  img
Sher Mohammad 12 days ago
a hammer of mass 1 kg strikes on the head of a nail with velocity of 2ms -1 . it drives the nail 0.01 m into a wooden block. find the force applied by the hammer and the time of impact.
 
 
v=0 m/s , u=2 m/s => v 2 -u 2 =2as => a=200 m/s2 Force applied by hammer= 200x1=200 N time of impact= 2/200=0.01 seconds=10 milli seconds Thanks & Regards Aziz Alam IIT Roorkee...
  img
Aziz Alam 7 days ago
is birla institute of technology,ranchi a branch of birla institute of technology and science or not is there any reletions between them
 
 
Dear akash birla institute of technology,ranchi not a branch of birla institute of technology and science presently BITS has three campuses at present – Pilani, Goa, and Hyderabad....
 
Badiuddin askIITians.ismu Expert 4 years ago
Sir/Madam, I have applied for Diploma in I.T. after my 10th std. with CBSE Board. I wanted to enquire if I can join IIT after my Diploma . If Yes How? Thnkx.. Kashif
 
 
Hi I do not think u would be eligible for IIT JEE . The 12 board exams are the qualifying xams fr IIT , and u din appear fr that. Fr JEE 2009, the foll were the eligibilty criteria: 1....
 
AskiitianExpert Shine 5 years ago
Gypsum is added to cement clinker to A. Increase the tensile strength of the cement B. Bind the participles of calcium silicate C. Decrease the rate of setting of cement D. Facilitate the...
 
 
answer is c. gypsum is added to decrease the rate of setting of cement or what we call to prevent the "flash setting of cement".The reaction of tricalcium silicate with cement is very fast...
 
sthita nayak 11 months ago
 
option "A" increase the tensile strength of the cement
 
prince parihar 10 months ago
 
C. Decrease the rate of setting of cement
 
Keerthi Raj 11 months ago
View all Questions »