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Draw the structures of the following molecules: XeF4
Concept: P - Block Group 18 Elements > Concept of Group 18 Elements
Define terms: Fuel cell
Concept: Batteries > Primary Batteries
Write the chemical equations involved in the following reactions:(i) Hoffmann-bromamide degradation reaction
Concept: Amines > Preparation of Amines
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Concept: Amines > Preparation of Amines
Amino acids show amphoteric behaviour. Why?
Concept: Proteins > Amino Acids
Write the equations involved in the following reactions:
Reimer-Tiemann reaction
Concept: Chemical Properties of Phenol
Define the following terms: Essential amino acids
Concept: Proteins > Amino Acids
Why is bithional added to soap?
Concept: Cleansing Agents - Soaps
What happens when: XeF4 reacts with SbF5?
Concept: P - Block Group 18 Elements > Concept of Group 18 Elements
Write the formulas for the following coordination compounds:
Iron(III) hexacyanoferrate(II)
Concept: Introduction of Coordination Compounds
Illustrate the following reaction giving suitable example in each case: Diazotisation
Concept: Diazonium Salts > Method of Preparation of Diazonium Salts
What is tincture of iodine? What is its use?
Concept: Therapeutic Action of Different Classes of Drugs - Antimicrobials
Define the term 'conductivity' of a metallic wire. Write its SI unit.
Concept: Electrical Resistivity and Conductivity
How would you account for the following: Transition metals form complex compounds.
Concept: General Properties of the Transition Elements (D-block)
Give reasons for the following:
Aniline does not undergo Friedel- Crafts reaction.
Concept: Amines > Chemical Reactions of Amines - Electrophilic Substitution
Find the distance of the point (−1, −5, −10) from the point of intersection of the line `vecr=2hati-hatj+2hatk+lambda(3hati+4hatj+2hatk) ` and the plane `vec r (hati-hatj+hatk)=5`
Concept: Three - Dimensional Geometry Examples and Solutions
The following data were obtained during the first order thermal decomposition of SO2Cl2 at a constant volume :
SO2Cl2 (g) → SO2 (g) + Cl2 (g)
| Experiment | Time/s–1 | Total pressure/atm |
| 1 | 0 | 0.4 |
| 2 | 100 | 0.7 |
Calculate the rate constant.
(Given : log 4 = 0.6021, log 2 = 0.3010)
Concept: Factors Influencing Rate of a Reaction
Account for the following : Nitrogen does not form pentahalide.
Concept: p-Block elements of Group 15 Elements > Dinitrogen
Give reasons: Transition metals show variable oxidation states.
Concept: General Properties of the Transition Elements (D-block)
Complete the following equation : MnO4- + 8H+ + 5e- →
Concept: Some Important Compounds of Transition Elements - Oxides and Oxoanions of Metals
