Remedy: sigma-bond is more robust. It's because sigma-bond is shaped by head-on overlapping of atomic orbitals and Π bond is formed by side intelligent overlapping.
Observe ISC twelfth concern papers to find out the exam pattern, marking scheme and issues level of thoughts questioned in prior decades.
CISCE board has a world regular of the instructional environment. They adhere to Cambridge University to regulate Intercontinental training in India According to the nations’ needs. There are A large number of schools in India which have affiliated their college board towards the CISCE. Because they felt that there's a will need for Worldwide instruction benchmarks within our region.
Query eleven. What does one understand by isoelectronic species? Name a species that tvill be iso Digital with each of the following atoms or ions.
A university student traces the path of the ray of sunshine through a glass prism for various angles of incidence. He analyses each diagram and draws the next summary:
Remedy: (d) inversely proportional to its length but instantly proportional to your sq. root from the
Clarification: o listen to an echo the minimum amount distance between the supply of audio and reflector need to be 17 m.
thirty. The number of microbes in a specific culture doubles just about every hour. If there have been thirty microorganisms present while in the lifestyle initially, the amount of microorganisms will be current at the conclusion of the 2nd hour, 4th hour and n
Concern 22. Exactly what is simple distinction between the conditions electron attain enthalpy and electro negativity?
Issue one. What on earth is the reason for periodicity in Homes of the elements? Describe with two examples.
In contrast. For noble gases have optimistic electron attain enthalpy due CBSE Class 12 Mathematics to the fact Power should be equipped towards the factor.
Concern 38. Describe the hybridisation in case of PCl5. Why are definitely the axial bonds extended when compared to equatorial bonds?
The diagrams below show a force File = 40 N acting on the rod AB pivoted in a in several directions. Detect the right statement.
Symmetry of electronic configuration. Things acquiring symmetrical configuration (Either fifty percent stuffed or entirely stuffed orbitals in a similar sub shell)