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Function Group : Carbon MCQ - Practice Questions with Answers

Function Group : Carbon MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

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8 Questions around this concept.

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The backbone of an organic molecule is

Made up of carbon chain

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Also called the skeleton of the organic molecule

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Responsible for determining the shape

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All of these

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The reaction performed by an organic molecule is determined by

Functional group

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Carbon skeleton

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Both a and b

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None of these

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Which of the following functional groups is/are polar and present in sugars?

-OH and -COOH

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-CHO and -COR

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-COOH and -NH2

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-CHO and -COOH

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Which of the following functional groups is present in the ATP and is responsible for storing energy?

$PO{_{4}}^{3-}$

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$-COOH$

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$-NH{_{2}}$

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$-SH$

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The two functional groups characteristic of sugars are

Carbonyl and phosphate

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Carbonyl and methyl

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Hydroxyl and methyl

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Carbonyl and hydroxyl

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What is the relationship between carbon skeletons and functional groups?

Functional groups are collections of atoms that attach the carbon skeleton of an organic molecule and confer specific properties.

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Each type of organic molecule has its own specific type of functional group.

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Both (a) and (b)

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None of the above

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Assertion : Carbon is a crucial element for the survival of living organisms.

Reason: Carbon is the backbone of organic molecules such as carbohydrates, proteins, and nucleic acids, which are essential for life.

Both assertion and reason are true, and the reason is the correct explanation of the assertion.

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Both assertion and reason are true, but the reason is not the correct explanation of the assertion.

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The assertion is true, but the reason is false.

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The assertion is false, but the reason is true.

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Concepts Covered - 1

The Carbon Skeleton and Functional Groups

The Carbon Skeleton and Functional Groups

The skeleton or backbone of an organic molecule is made up of carbon chain.
The skeleton of an organic molecule determines its shape.
A functional group may be attached to the organic molecule.
A functional group can be defined as a specific combination of atoms that always react in the same way irrespective of the carbon skeleton they are attached to.
A functional group imparts a specific chemical identity to the carbon skeleton. For example, when -OH is attached to an organic molecule, it becomes an alcohol.
The functional groups determine the polarity of an organic molecule to which they are attached.
It also determines the type of reaction the organic molecule would undergo.

A list of functional groups and their properties: