English

Science (English Medium) Class 12 - CBSE Important Questions

Advertisements
[object Object]
[object Object]
Subjects
Popular subjects
Topics

Please select a subject first

Advertisements
Advertisements
< prev  601 to 620 of 6271  next > 

Write the IUPAC name of the given compound :

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds

Out of BaCl2 and KCl, which one is more effective in causing coagulation of a negatively charged colloidal Sol? Give reason.

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Properties of Colloidal Solutions

Write down the IUPAC name of the following complex: [Cr(NH3)2Cl2(en)]Cl (en = ethylenediamine)

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds

Write the formula for the following complex:

Pentaamminenitrito-O-Cobalt(III)

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Formulas of Mononuclear Coordination Entities

Draw the geometrical isomers of complex [Pt(NH3)2Cl2].

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Isomerism in Coordination Compounds >> Stereoisomerism

Write the hybridization and magnetic behaviour of the complex [Ni(CO)4].

(At.no. of Ni = 28)

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Bonding in Coordination Compounds >> Magnetic Properties of Coordination Compounds

Give reasons for the following observations: Leather gets hardened after tanning.

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Properties of Colloidal Solutions

Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol. 

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Purification of Colloidal Solution

Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol. 

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Purification of Colloidal Solution

It is necessary to remove CO when ammonia is prepared by Haber's process.

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Catalysis >> Enzyme Catalysis

What are emulsions?

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Emulsions

What are the different types of emulsions? Give one example of each type.

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Emulsions

Write the IUPAC name of the complex [Cr(NH3)4 Cl2]Cl.

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds

What type of isomerism is exhibited by the complex [Co(en)3]3+?

(en = ethane-1,2-diamine)

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Isomerism in Coordination Compounds >> Stereoisomerism

Define the following term:

Anomers 

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Isomerism in Coordination Compounds >> Stereoisomerism

Write structures of compounds A, B and C in of the following reactions

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Some Important Terms Pertaining to Coordination Compounds

Write structures of compounds A, B and C in of the following reactions

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Some Important Terms Pertaining to Coordination Compounds

Arrange the following compound groups in the increasing order of their property indicated :

p-nitrophenol, ethanol, phenol (acidic character)

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Concept of Coordination Compounds

Arrange the following compound groups in the increasing order of their property indicated :

Propanol, Propane, Propanal (boiling point)

Appears in 3 question papers
Chapter: [5] Coordination Compounds
Concept: Concept of Coordination Compounds

Write one difference in Homogeneous catalysis and Heterogeneous catalysis

Appears in 3 question papers
Chapter: [5] Surface Chemistry
Concept: Catalysis >> Homogeneous and Heterogeneous Catalysis
< prev  601 to 620 of 6271  next > 
Advertisements
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×