HSC Science कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

What are actinoids? Give three examples.

What is lanthanoid contraction and what are the effects of lanthanoid contraction?

Compare lanthanoids and actinoids.

Actinoid contraction is greater from element to element than the lanthanoid contraction, why?

Out of Lu(OH)₃ and La(OH)₃ which is more basic and why?

Why do zirconium and Hafnium exhibit similar properties?

Which one of the following will give a pair of enantiomorphs?

Which type of isomerism is exhibited by [Pt(NH₃)₂Cl₂]?

How many geometrical isomers are possible for \[\ce{[Pt(Py)(NH3)(Br)(Cl)]}\]?

Which one of the following pairs represents linkage isomers?

Which kind of isomerism is possible for a complex [Co(NH₃)₄Br₂]Cl?

Which one of the following complexes is not expected to exhibit isomerism?

Fac-mer isomerism is shown by

Draw all possible geometrical isomers of the complex \[\ce{[Co(en)2Cl2]^+}\] and identify the optically active isomer.

What is linkage isomerism? Explain with an example.

Explain optical isomerism in coordination compounds with an example.

What are hydrate isomers? Explain with an example.

The number of unit cells in 8 gm of an element X (atomic mass 40) which crystallizes in bcc pattern is (N_A is the Avogadro number)

CsCl has bcc arrangement, its unit cell edge length is 400 pm, it's inter atomic distance is

The vacant space in bcc lattice unit cell is ____________.