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

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Write uses of sulphur.

Appears in 1 question paper
Chapter: [7.02] Group 16 Elements
Concept: P - Block Group 16 Elements >> Oxoacids of Sulphur

Write the reaction of conc. H2SO4 with sugar. What is the role of H2SO4 in this reaction?

Appears in 1 question paper
Chapter: [7.02] Group 16 Elements
Concept: P - Block Group 16 Elements >> Sulphuric Acid

Explain anomalous behaviour of oxygen in group 16 with respect to:

  1. Atomicity
  2. Magnetic property
  3. Oxidation state
Appears in 1 question paper
Chapter: [7.02] Group 16 Elements
Concept: P - Block Group 16 Elements >> Anomalous Behaviour of Oxygen

Write two uses of dioxygen.

Appears in 1 question paper
Chapter: [7.02] Group 16 Elements
Concept: P - Block Group 16 Elements >> Dioxygen

Explain the structure of ClF3

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Interhalogen Compounds

Iodine exists as

  • polar molecular solid
  • ionic solid
  • nonpolar molecular solid
  • hydrogen bonded molecular solid
Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: Concept of Group 17 Elements

Draw structure of Chlorine trifluoride

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Interhalogen Compounds

Write ‘four’ uses of hydrochloric acid.

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Hydrogen Chloride

Write chemical formula of the following oxoacids of chlorine:

a. Hypochlorous acid

b. Chlorous acid

c. Chloric acid

d. Perchloric acid

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Oxoacids of Halogens

Draw structure of Chlorine pentafluoride

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: Concept of Group 17 Elements

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

(a) Hydrogen bonding

(b) Oxidation state

(c) Polyhalide ions

 

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Anomalous Behaviour of Fluorine

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

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

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

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

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

Cold and dilute caustic soda

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

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

Hot and concentrated caustic soda

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

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

Potassium bromide solution

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

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

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

Write any two uses of Chlorine.

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

What is the action of chlorine on CS2

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine

Answer the following.

What is the action of chlorine on Excess NH3.

Appears in 1 question paper
Chapter: [7.03] Group 17 Elements
Concept: P - Block Group 17 Elements >> Chlorine
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