The Question is from neet-botany , and it was created by the author B VENKAT

Question

${({C_5}{H_{10}}{O_5})_n}$ is the formula of

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
	**Primary Concept**: Carbohydrate Structure
	**Related Topics**: Monosaccharides, Polysaccharides, Empirical Formula
	**Prerequisites**: Basic organic chemistry, Chemical formulas
## SOLUTION PATHWAY
**Given Information**:
	The formula ${({C_5}{H_{10}}{O_5})_n}$ represents a polymer.
**Method & Steps**:
	1. Recognize the empirical formula $C_5H_{10}O_5$.
		Reasoning: This formula resembles the general formula for carbohydrates, which is $(CH_2O)_n$.
		Formula/Rule: Carbohydrates are composed of carbon, hydrogen, and oxygen, often with a 2:1 ratio of hydrogen to oxygen, similar to water (H2O).
	2. Identify the monomer.
		Working: $C_5H_{10}O_5$ can be a pentose sugar, a type of monosaccharide.
		Key Point: Common examples include ribose and xylose.  When 'n' number of these monomers combine, they form polysaccharides.
	3. Relate the formula to a polysaccharide.
		Result:  ${({C_5}{H_{10}}{O_5})_n}$ represents a polysaccharide, a type of carbohydrate. Examples include cellulose, starch, and glycogen.
		Verification: The given formula fits the general pattern for carbohydrates and indicates a polymeric structure.
 ## OPTION ANALYSIS
[A] :x: Proteins are made of amino acids, with the general structure containing nitrogen and sometimes sulfur, in addition to carbon, hydrogen, and oxygen. 
[B] :x: Fats (triglycerides) are composed of glycerol and fatty acids.  Their structure is distinct from carbohydrates, containing long hydrocarbon chains.
[C] :x: Lipids are a broader category that includes fats, but also other molecules like steroids and phospholipids.  While carbohydrates can be associated with lipids in some complex molecules, the given formula specifically represents a carbohydrate.
[D] ✓: Carbohydrates encompass monosaccharides, disaccharides, and polysaccharides.  The given formula, ${({C_5}{H_{10}}{O_5})_n}$, represents a polysaccharide, which falls under the category of carbohydrates.
 ## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing the general formulas of carbohydrates, proteins, and lipids: Pay close attention to the presence and ratios of elements like nitrogen, sulfur, and oxygen.
		2. Not recognizing the 'n' subscript as indicative of a polymer: This is a key indicator that the molecule is a large chain made of repeating units.
	**Quick Tips**:
		1. Remember $(CH_2O)_n$ as the general formula for carbohydrates.
		2. Look for repeating units in a formula to identify polymers like polysaccharides.

B VENKAT · Answer

Protein

B VENKAT · Answer

Fat

B VENKAT · Answer

Lipid

B VENKAT · Answer

The correct Option is "Carbohydrate"

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