HSC Science (Electronics) १२ वीं कक्षा - Maharashtra State Board Important Questions

Write electronic configuration and two uses of neon. (Z = 10)

Arrange the following oxyacids of chlorine - HClO, HClO₂, HClO₃, and HClO₄ with respect to increasing order of oxidizing power.

Write any two uses of Chlorine.

Write the electronic configuration of the following element:

Krypton (Z = 36)

What is the action of chlorine on CS₂

Answer the following.

What is the action of chlorine on Excess NH₃.

Write any ‘four points’ of difference between fluorine and other halogens.

Which of the following compounds of chlorine is used as refrigerant? 

Which of the following has the highest electron gain enthalpy?

Ozone layer is depleted by ______.

In interhalogen compounds, which of the following halogens is never the central atom?

Answer the following.

Name two gases which deplete ozone layer.

Answer the following.

What is the action of bromine on magnesium metal?

How is dioxygen prepared in the laboratory from KClO₃?

Answer the following.

Give two reactions showing the oxidising property of concentrated H₂SO₄.

Answer the following.

Distinguish between rhombic sulfur and monoclinic sulfur.

Acidic strength of halogen acids increases in the order of _______.

Sulfur dioxide reacts with sodium hydroxide solution to form _______.

Complete the following reaction:

\[\ce{SO_{2(g)} + Cl_{2(g)} ->[Charcoal]}\] ?

Name the solution which is formed by passing sulfur dioxide in water.