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Which of the following statements is/are...

Which of the following statements is/are not true
(A) Glycerol is a 3 carbon alcohol with 3 OH groups that
(B) Waxes are esters formed between a long chain alcohol and saturated fatty acids
(C) The term protein was coined by Gerardus Johannes Mulder
(D) Agar is an indispensable polysaccharide and it is a complex polymer of glucose and sulphur-containing carbohydrates

A

a and c only

B

d only

C

a and d only

D

a, b and d only

Text Solution

AI Generated Solution

The correct Answer is:
To determine which statements are not true, we will evaluate each statement one by one. ### Step-by-Step Solution: 1. **Evaluate Statement (A)**: "Glycerol is a 3 carbon alcohol with 3 OH groups." - Glycerol (also known as glycerin) has the chemical formula C3H8O3. It consists of three carbon atoms, each bonded to a hydroxyl (OH) group. Therefore, this statement is **true**. 2. **Evaluate Statement (B)**: "Waxes are esters formed between a long chain alcohol and saturated fatty acids." - Waxes are indeed formed from the esterification of long-chain fatty acids and long-chain alcohols. This statement is also **true**. 3. **Evaluate Statement (C)**: "The term protein was coined by Gerardus Johannes Mulder." - The term "protein" was introduced by Gerardus Johannes Mulder in the 1850s. This statement is **true**. 4. **Evaluate Statement (D)**: "Agar is an indispensable polysaccharide and it is a complex polymer of glucose and sulphur-containing carbohydrates." - Agar is a polysaccharide primarily made up of agarose, which consists of repeating units of galactose and 3,6-anhydro-L-galactose. It does not contain significant amounts of glucose or sulfur-containing carbohydrates. Therefore, this statement is **not true**. ### Conclusion: The statement that is not true is **(D)**. ### Summary of Findings: - (A) True - (B) True - (C) True - (D) Not True **Final Answer**: The statement that is not true is **(D)**.
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