HSC Science इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Arrange the following in order of increasing molar conductivity.

i) \[\ce{Mg[Cr(NH3) (Cl)5]}\]

ii) \[\ce{[Cr(NH3)5 Cl]3 [CoF6]2}\]

iii) \[\ce{[Cr(NH3)3 Cl3]}\]

Give an example for a complex of the type [Ma₂b₂c₂] where a, b, c are monodentate ligands and give the possible isomers.

Give one test to differentiate \[\ce{[Co(NH3)5Cl]SO4}\] and \[\ce{[Co(NH3)5SO4]Cl}\].

In an octahedral crystal field, draw the figure to show the splitting of d orbitals.

Why tetrahedral complexes do not exhibit geometrical isomerism.

What is crystal field stabilization energy (CFSE)?

Discuss briefly the nature of bonding in metal carbonyls.

What are the limitations of VB theory?

Write the oxidation state, coordination number, nature of ligand, magnetic property and electronic configuration in octahedral crystal field for the complex \[\ce{K4[Mn(CN)6]}\].

The ratio of close packed atoms to tetrahedral hole in cubic packing is ____________.

A two-dimensional solid pattern formed by two different atoms X and Y is shown below. The black and white squares represent atoms X and Y respectively. the simplest formula for the compound based on the unit cell from the pattern is

Distinguish between hexagonal close packing and cubic close packing.

Distinguish tetrahedral and octahedral voids.

Explain AAAA and ABABA and ABCABC type of three dimensional packing with the help of neat diagram.

Calculate the percentage efficiency of packing in the case of a body-centred cubic crystal.

What is the two dimensional coordination number of a molecule in square close packed layer?

Derive integrated rate law for a zero-order reaction \[\ce{A -> Product}\].

Explain the common ion effect with an example.

Give three uses of emulsions.

In the following reaction,

\[\ce{HC ≡ CH ->[H2SO4][HgSO4] X}\]

Product ‘X’ will not give