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

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Answer the following

Give the full form (long form) of the name for the following instrument.

TEM

[16] Green Chemistry and Nanochemistry
Chapter: [16] Green Chemistry and Nanochemistry
Concept: undefined >> undefined

Answer the following

Give the full form (long form) of the name for the following instrument.

STM

[16] Green Chemistry and Nanochemistry
Chapter: [16] Green Chemistry and Nanochemistry
Concept: undefined >> undefined

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Answer the following

Give the full form (long form) of the name for the following instrument.

FTIR

[16] Green Chemistry and Nanochemistry
Chapter: [16] Green Chemistry and Nanochemistry
Concept: undefined >> undefined

Answer the following

Give the full form (long form) of the name for the following instrument.

SEM

[16] Green Chemistry and Nanochemistry
Chapter: [16] Green Chemistry and Nanochemistry
Concept: undefined >> undefined

Answer the following in one sentence :

Classify the following buffers into different types :

NH4OH + NH4Cl

[3] Ionic Equilibria
Chapter: [3] Ionic Equilibria
Concept: undefined >> undefined

Answer the following in one sentence :

Classify the following buffers into different types :

Sodium benzoate + benzoic acid

[3] Ionic Equilibria
Chapter: [3] Ionic Equilibria
Concept: undefined >> undefined

Answer the following in one sentence :

Classify the following buffers into different types :

Cu(OH)2 + CuCl2

[3] Ionic Equilibria
Chapter: [3] Ionic Equilibria
Concept: undefined >> undefined

Write the IUPAC name of the following.

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

Write the major product of the following reaction.

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

Write IUPAC name of the product ‘B’ in the following reaction sequence.

\[\ce{C2H5OH ->[NaBr/H2SO4][\Delta] A ->[Nal][acetone]B}\]

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

Explain with diagram, the vacancy defect.

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

How are the following conversions carried out?

propene to 1-iodopropane

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

How are nonstoichiometric point defects classified? Explain with diagram the metal deficiency defect.

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

How are the following conversions carried out?

propene to 2-nitropropane

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

How are the following conversions carried out?

benzene to biphenyl

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

Write chemical equations indicating the action of following on bromobenzene.

CH3COCl/anhy. AlCl3

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

Write chemical equations indicating the action of following on bromobenzene.

fuming H2SO4

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

Write chemical equations indicating the action of following on bromobenzene.

conc. HNO3/conc. H2SO4

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

An organic compound A with molecular formula C4H10O on treatment with phosphorus pentachloride gives alkyl chloride. Alkyl chloride on treatment with Mg in presence of dry ether gives a highly reactive compound B.
Compound B reacts with water to give hydrocarbon C. Alkyl chloride on treatment with Na in dry ether as a solvent gives alkane, 2,2,3,3-tetramethylbutane. Identify ‘A’, ‘B’, ‘C’

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

Give the classification of stoichiometric point defects.

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