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

Write the IUPAC name of 

Write the dispersed phase and dispersion medium of the following colloidal systems: 

(i) Smoke

(ii) Milk

What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?

What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?

Write the differences between physisorption and chemisorption with respect to the following: 

(i) Specificity

(ii) Temperature dependence

(iii) Reversibility and

(iv) Enthalpy change

Write the IUPAC names of the following coordination compounds: [Cr(NH₃)₃Cl₃]

The complex ion `[Co(H_2O)_5 (ONO)]^(2+) `

(A) linkage isomer

(B) ionisation isomer

(C) co-ordination isomer

(D) geometrical isomer

Write the fomulae of the following compounds

Sodium hexanitrito- N - cobaltate (III)

Write the IUPAC name of the given compound:

When a coordination compound CoCl₃.6NH₃ is mixed with AgNO₃, 3moles of AgCl are precipitated per mole of the compound. Write the IUPAC name of the coordination compound.

For the complex [Fe(H₂O)₆]+3, write the hybridisation, magnetic character and spin of the complex. (At, number : Fe = 26)

Draw one of the geometrical isomers of the complex [Pt (en)₂Cl₂] ⁺² which is optically inactive

Define the following terms: Lyophilic colloid

Define the following terms: Lyophilic colloid

Define the following terms: Associated colloids

Write a method by which lyophobic colloids can be coagulated.

Write a method by which lyophobic colloids can be coagulated.

Write the IUPAC name of the given compound:

Write down the IUPAC name of the following complex: [Co(NH₃)₅ (NO₂)](NO₃)₂

Using IUPAC norms, write the formula for the following: 

Potassium tetracyanidonickelate(II)