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HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Important Questions for Chemistry

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Chemistry
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Predict the co-ordination No. of cs+ ion if `r_(Cs)^+` = 1.69Å and `r_(Cl)^-` = 1.81Å.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds

IUPAC name of the following compound is

(a) 3 - Bromo- 3, 4- dimethylheptane

(b) 3, 4- dimethyl - 3- bromoheptane

(c) 5- Bromo- 4, 5- dimethylheptane

(d) 4, 5- dimethyl- 5- bromoheptane

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds

Write IUPAC names of the following compounds

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds

Write IUPAC names of the following compounds:

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds

Write four postulates of Werner's theory.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Werner’s Theory of Coordination Compounds

Identify 'A' and 'B' and rewrite the reactions

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds

Identify 'A' and 'B' and rewrite the reactions

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds

Identify 'A' and 'B' and rewrite the reactions

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Bonding in Coordination Compounds - Introduction

How are the following conversions carried out?

Benzoic acid into metanitrobenzoic acid.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Bonding in Coordination Compounds >> Crystal Field Theory (CFT)

State the superiority of crystal field theory over valence bond theory.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Bonding in Coordination Compounds >> Crystal Field Theory (CFT)

Write applications of co-ordination compounds in medicine and electroplating.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Definitions of Some Important Terms Pertaining to Coordination Compounds

Write the IUPAC names of the following coordination compounds: 

[CoBr2(en)2]+, (en = ethylenediamine)

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Naming of Mononuclear Coordination Compounds

Write the fomulae of the following compounds :

Tetraaquodichlorochromium (III) chloride

 

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Formulas of Mononuclear Coordination Entities

Write the fomulae of the following compounds

Potassium tetracyanoaurate (III) ion

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Nomenclature of Coordination Compounds - Formulas of Mononuclear Coordination Entities

Calculate EAN of cobalt (Z=27) in [CO(NH3)6]+3 and of zinc (Z=30) in [Zn(NH3)4]SO4.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Coordination Compounds >> Importance of Coordination Compounds

Calculate EAN of cobalt (Z=27) in [CO(NH3)6]+3 and of zinc (Z=30) in [Zn(NH3)4]SO4.

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Coordination Compounds >> Importance of Coordination Compounds

Calculate the effective atomic number of the central metal atom in the following  compounds:

Cr(CO)6 Cr(Z=24)

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Coordination Compounds >> Importance of Coordination Compounds

Calculate the effective atomic number of the central metal atom in the following  compounds:

Cr(CO)6 Cr(Z=24)

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Coordination Compounds >> Importance of Coordination Compounds

The ligand diethylene triamine is -

(a) monodentate

(b) bidentate

(c) tridentate

(d) tetradentate

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Bonding in Coordination Compounds - Introduction

Explain the geometry of `[Co(NH_3)_6]^(3+)` on the basis of hybridisation. (Z of Co = 27)

Appears in 1 question paper
Chapter: [9] Coordination Compounds
Concept: Bonding in Coordination Compounds >> Valence Bond Theory (VBT)
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