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CBSE Class 10  >  Class 10 Test  >  Science   >  Test: Nomenclature Of Organic Compounds - Class 10 MCQ

Nomenclature Of Organic Compounds - Class 10 Science Free MCQ Test


MCQ Practice Test & Solutions: Test: Nomenclature Of Organic Compounds (15 Questions)

You can prepare effectively for Class 10 Science Class 10 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Nomenclature Of Organic Compounds ". These 15 questions have been designed by the experts with the latest curriculum of Class 10 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 15

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Test: Nomenclature Of Organic Compounds - Question 1
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The IUPAC name of CH3CHO is

Detailed Solution: Question 1

The IUPAC name of CH3CHO is Ethanal.

The IUPAC name for CH3CHO is Ethanal, also known as Acetaldehyde. It has 2 carbons, so the term “Eth” is used as prefix and it belongs to the aldehyde group, so the term “al” is used as suffix.

Test: Nomenclature Of Organic Compounds - Question 2
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How do you identify the base name of a compound?

Detailed Solution: Question 2

The base name is identified by counting the carbon atoms.

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Test: Nomenclature Of Organic Compounds - Question 3
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Which compound is an example of an aldehyde?

Detailed Solution: Question 3

Aldehydes have the suffix "-al," such as "propanal."

Test: Nomenclature Of Organic Compounds - Question 4
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What is the suffix for alkenes?

Detailed Solution: Question 4

Alkenes use the suffix "-ene."

Test: Nomenclature Of Organic Compounds - Question 5
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Which of the following is the correct name for a three-carbon chain with a double bond?

Detailed Solution: Question 5

A double bond in a three-carbon chain results in the name "propene."

Test: Nomenclature Of Organic Compounds - Question 6
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What is the suffix for a compound with a ketone group?

Detailed Solution: Question 6

The suffix for ketones is "-one."

Test: Nomenclature Of Organic Compounds - Question 7
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How is the name of a functional group indicated in a compound?

Detailed Solution: Question 7

Functional groups are indicated by either a prefix or a suffix.

Test: Nomenclature Of Organic Compounds - Question 8
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What is the suffix for a compound with a triple bond?

Detailed Solution: Question 8

A triple bond is indicated by the suffix "-yne."

Test: Nomenclature Of Organic Compounds - Question 9
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What is the correct name for a three-carbon chain with a triple bond?

Detailed Solution: Question 9

A triple bond in a three-carbon chain is indicated by the suffix "-yne," resulting in "propyne."

Test: Nomenclature Of Organic Compounds - Question 10
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What happens to the suffix of a functional group if it begins with a vowel?

Detailed Solution: Question 10

- When naming organic compounds, functional groups often have specific suffixes.
- If a functional group suffix starts with a vowel (like -ol for alcohols or -al for aldehydes), the last 'e' of the carbon chain name is removed.
- This rule helps avoid awkward pronunciations and makes the compound names clearer.
- For example, in "pentanol," the 'e' from "pentane" is dropped to form "pentanol."

Test: Nomenclature Of Organic Compounds - Question 11
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What modification is made to the name of a carbon chain when adding a suffix starting with a vowel?

Detailed Solution: Question 11

When the suffix starts with a vowel, the final 'e' of the carbon chain is deleted to ensure smooth pronunciation.

Test: Nomenclature Of Organic Compounds - Question 12
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What is the suffix for carboxylic acids?

Detailed Solution: Question 12

Carboxylic acids use the suffix "-oic acid."

Test: Nomenclature Of Organic Compounds - Question 13
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What prefix is used for haloalkanes?

Detailed Solution: Question 13

  • Haloalkanes are organic compounds that contain carbon and halogen atoms.
  • They use specific prefixes to denote the type of halogen present.
  • Common prefixes include "chloro-" for chlorine, "bromo-" for bromine, "iodo-" for iodine, and "fluoro-" for fluorine.
  • These prefixes are attached to the alkane name to form the compound's name, like "bromopropane."

Test: Nomenclature Of Organic Compounds - Question 14
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What is the suffix used for alcohols?

Detailed Solution: Question 14

The suffix for alcohols is "-ol."

Test: Nomenclature Of Organic Compounds - Question 15
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The IUPAC name of CH3-O-C2H5 is

Detailed Solution: Question 15

The compound CH3-O-C2H5 is an ether.

  • The IUPAC name is based on identifying the groups attached to the oxygen atom.
  • CH3 is the methoxy group.
  • C2H5 is an ethyl group.

Therefore, the IUPAC name of the compound is methoxy ethane.

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About this Class 10 Practice Test

This test contains 15 MCQs on Nomenclature Of Organic Compounds with detailed solutions for each question. It is part of the Science Class 10 course on EduRev, designed to align with the current Class 10 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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