HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Important Questions

The following pair of elements has half-filled d-orbitals.

Write formula to calculate magnetic moment.

Write the general electronic configuration of 3d series.

Name the radioactive element in lanthanoids.

Which alloy is used in the Fischer-Tropsch process in the synthesis of gasoline?

Manganese in the +2 oxidation state is more stable than +3 oxidation state where as iron is stable at +3 oxidation state than +2 oxidation state. Explain why?

What are the causes of lanthanide contraction?

What are interstitial compounds?

What are rare earth elements?

Write any two properties of actinides.

Explain the trend in an Oxidation state of 3d elements.

Write two applications of lanthanoids.

Write two applications of actinoids.

Which of the following transition element shows maximum oxidation state?

Write the name of the alloy used in the Fischer Tropsch process in the synthesis of gasoline.

Salts of Ti⁴⁺ are colourless. Give reason.

Calculate spin only magnetic moment of divalent cation of transition metal with atomic number 25.

Give the properties of Lanthanoids.

The spin only magnetic moment of Mn²⁺ ion is ______.

Give the classification of alloys with examples.