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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

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Answer the following

Explain carbylamine reaction with suitable examples.

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

Write a reaction to convert methanamine into ethanamine.

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

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Answer the following

Write a reaction to convert ethylamine into methylamine.

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

Answer the following.

What is the action of acetic anhydride on ethylamine?

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

Answer the following.

What is the action of acetic anhydride on diethylamine?

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

Answer the following.

What is the action of acetic anhydride on triethylamine?

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

Answer the following.

Write structural formula of the following synthetic rubbers:

SBR rubber

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Answer the following.

Write structural formula of the following synthetic rubbers:

Buna-N rubber

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Answer the following.

Write structural formula of the following synthetic rubbers:

Neoprene rubber 

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Answer the following

Write diazotisation reaction of aniline?

[13] Amines
Chapter: [13] Amines
Concept: undefined >> undefined

The effective atomic number of cobalt in [Co(NH3)6]3+ is _____________

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
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Calculate effective atomic number of iron in [Fe(CN)6]4− complex ion

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Write formula to calculate EAN with the significance of terms involved in it. Calculate EAN of [Fe(CN)6]3–.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Write oxidation state and coordination number of [Co(NH3)4Cl2]+ ion. Calculate EAN of iron in [Fe(CN)6]4–. Write the IUPAC name of [Zn(NH3)4]2+.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Propane nitrile can be prepared by heating ____________

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

The following will react faster by SN1 mechanism

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

Major product of the following reaction is _______________

\[\ce{CH3-CH2-Mg-Br + NH3 ->?}\]

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

Nucleophilic substitution reaction of 2, 4-dinitrochlorobenzene is faster than p-nitrochlorobenzene. Give reason.

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

An octahedral void is surrounded by ________.

[1] Solid State
Chapter: [1] Solid State
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The coordination number of spheres in the hcp lattice in three dimension is ______.

[1] Solid State
Chapter: [1] Solid State
Concept: undefined >> undefined
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