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

Draw structure of Chlorine pentafluoride

Describe anomalous behaviour of fluorine with the other elements of group 17 wilh reference to :

(a) Hydrogen bonding

(b) Oxidation state

(c) Polyhalide ions

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

What happens when thin copper leaves are thrown in jar containing chlorine?

What is the action of chlorine (Cl) on the following:

Cold and dilute caustic soda

What is the action of chlorine (Cl) on the following:

Hot and concentrated caustic soda

What is the action of chlorine (Cl) on the following:

Potassium bromide solution

Write any two uses of Chlorine.

What is the action of chlorine on CS₂

Answer the following.

What is the action of chlorine on Excess NH₃.

Draw the structure of IF₇. Write its geometry and the type of hybridization.

Arrange the following oxyacids of chlorine in decreasing order of their thermal stability. Give reason.
 HOClO, HOCl, HClO₄, HOClO₂

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

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

What happens when chlorine reacts with?

Al

What happens when chlorine reacts with?

Na

What happens when chlorine reacts with?

S₈

What happens when chlorine reacts with?

P₄

The boiling point of HCl is ______.

Write the chemical reaction when chlorine reacts with dry slaked lime.