PUC Science 2nd PUC Class 12 - Karnataka Board PUC Important Questions

Write down the IUPAC name of the complex [Pt(en)₂Cl₂]²⁺. What type of isomerism is shown by this complex?

Using IUPAC norms write the formulate for the following coordination compound: 

Hexaamminecobalt(III) chloride

Using IUPAC norms write the formulate for the following coordination compound:

Potassium tetrachloridonickelate (II)

Write the hybridization and shape of the following complexe : [CoF₆]^3–

(Atomic number : Co = 27, Ni = 28)

Write the hybridization and shape of the following complexe : [Ni(CN)₄]^2–

^{(Atomic number : Co = 27, Ni = 28)}

Out of NH₃ and CO, which ligand forms a more stable complex with a transition metal and why?

Define the following term : Brownian movement

Define the following term:

Multimolecular colloids

Define the following term:

Multimolecular colloids

What are the dispersed phase and dispersion medium in milk?

How do you convert the following:

Ethanol to propanenitrile

Given reasons: C–Cl bond length in chlorobenzene is shorter than C–Cl bond length in CH₃–Cl.

How is ‘cast iron’ different from ‘pig iron’?

Write the structure of the major product in each of the following reaction :

What is the significance of leaching in the extraction of aluminium?

In the following pair of halogen compounds, which compound undergoes a faster S_N1 reaction?

Arrange the compounds of the following set in order of reactivity towards S_N2 displacement:

2-Bromo-2-methylbutane, 1-Bromopentane, 2-Bromopentane

Given reasons: S_N1 reactions are accompanied by racemization in optically active alkyl halides.

ICl is more reactive than I₂.

Write the IUPAC name of the given compound: