The monosaccharides and disaccharides that give negative Tollens’ test are to be stated. Concept Introduction: Carbohydrates are naturally occurring compounds. Carbohydrates are polyhydroxy aldehydes and ketones . The carbohydrates with a free aldehyde or ketone groups can act as reducing sugars. Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides.

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Answer 1

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 30E

Interpretation Introduction

Interpretation:

The monosaccharides and disaccharides that give negative Tollens’ test are to be stated.

Concept Introduction:

Carbohydrates are naturally occurring compounds. Carbohydrates are polyhydroxy aldehydes and ketones. The carbohydrates with a free aldehyde or ketone groups can act as reducing sugars. Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides.

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Bunsenite (NiO) crystallizes like common salt (NaCl), with a lattice parameter a = 4.177 Å. A sample of this mineral that has Schottky defects that are not supposed to decrease the volume of the material has a density of 6.67 g/cm3. What percentage of NiO molecules is missing? (Data: atomic weight of Ni: 58.7; atomic weight of O: 16).

A sample of aluminum (face-centered cubic - FCC) has a density of 2.695 mg/m3 and a lattice parameter of 4.04958 Å. Calculate the fraction of vacancies in the structure. (Atomic weight of aluminum: 26.981).

Please correct answer and don't used hand raiting

Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 30E

Interpretation Introduction

Interpretation:

The monosaccharides and disaccharides that give negative Tollens’ test are to be stated.

Concept Introduction:

Carbohydrates are naturally occurring compounds. Carbohydrates are polyhydroxy aldehydes and ketones. The carbohydrates with a free aldehyde or ketone groups can act as reducing sugars. Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides.

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Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 30E

Interpretation Introduction

Interpretation:

The monosaccharides and disaccharides that give negative Tollens’ test are to be stated.

Concept Introduction:

Carbohydrates are naturally occurring compounds. Carbohydrates are polyhydroxy aldehydes and ketones. The carbohydrates with a free aldehyde or ketone groups can act as reducing sugars. Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides.

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 30E

Interpretation Introduction