All Courses
Get the App Signup / Login
Sign in Open App
Class 9 Exam  >  Class 9 Tests  >  Organic Chemistry : Some Basic Principles - Practice Test (1) - Class 9 MCQ

Organic Chemistry : Some Basic Principles - Practice Test (1) - Class 9 MCQ


Test Description

25 Questions MCQ Test - Organic Chemistry : Some Basic Principles - Practice Test (1)

Organic Chemistry : Some Basic Principles - Practice Test (1) for Class 9 2024 is part of Class 9 preparation. The Organic Chemistry : Some Basic Principles - Practice Test (1) questions and answers have been prepared according to the Class 9 exam syllabus.The Organic Chemistry : Some Basic Principles - Practice Test (1) MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Organic Chemistry : Some Basic Principles - Practice Test (1) below.
Solutions of Organic Chemistry : Some Basic Principles - Practice Test (1) questions in English are available as part of our course for Class 9 & Organic Chemistry : Some Basic Principles - Practice Test (1) solutions in Hindi for Class 9 course. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free. Attempt Organic Chemistry : Some Basic Principles - Practice Test (1) | 25 questions in 50 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study for Class 9 Exam | Download free PDF with solutions
Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 1
Save

Hybridisation in methane (CH4), ethene (C2H4), ethyne (C2H2) involves s and p orbitals. Choose the correct hybrid orbitals in the options given below for CH4, C2H4CH4, C2H4 and, C2H4 respectively

Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 1

In methane C is sp3 hybridised because of 3 sigma bond formation. While in ethane C is sp2 hybridised and in ethyne it is sp hybridised

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 2
Save

Correct IUPAC name the following compound is

Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 2

Longest carbon chain is containg two 2 ethyl group
3,4- dimethylhexane will be correct iupac name as 6 membered carbon chain will be the main chain.

1 Crore+ students have signed up on EduRev. Have you? Download the App
Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 3
Save

In which of the following, functional group isomerism is not possible?

Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 3

alkyl halides donot give alkyl halides.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 4
Save

The technique that is extensively used to separate mixtures into their components, purify compounds and also to test the purity of compounds is
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 4

Chromatography is used to separate mixtures of substances into their components. All forms of chromatography work on the same principle. They all have a stationary phase (a solid, or a liquid supported on a solid) and a mobile phase (a liquid or a gas).

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 5
Save

Electrophiles are electron seeking species. Which of the following groups contain only electrophiles?

(i) 

(ii)

(iii)

(iv) 

Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 5

(ii) and (iii) contains all the electrophiles.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 6
Save

Change in hybridisation affects the carbon’s and the organic compound’s
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 6

in hybridization as % s character increases electronegativity also increases.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 7
Save

Benzene and other related ring compounds (benzenoid) such as given below are called:
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 7

they are aromatic system as they have benzene ring intact.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 8
Save

The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is:
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 8

A suitable method for the extraction of these oils from the flowers is Steam distillation

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 9
Save

Aniline is separated by technique from aniline . water mixture
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 9

They are separated by steam distillation.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 10
Save

In the four compounds below, which of the following pairs are position isomers? (i) I and II (ii) II and III(iii) II and IV(iv) III and IV
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 10

(I) and (II) will be position isomer as they have same chain legth while they only differs in the position of carbonyl functional group.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 11
Save

Condense the following complete structural formula given below. Choose the appropriate answer given below
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 11

All the single bonds are broken and atoms are written together.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 12
Save

The following compound is called 
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 12

this is known as tropolone. It is polar and aromatic.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 13
Save

During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 13

TLC will give the best results.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 14
Save

Sodium cyanide, sulphide and halide,( -CN, -S and -H, coming from organic compound) so formed on sodium fusion are extracted from the fused mass by boiling it with distilled water. This is called
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 14

This is lassaignes test.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 15
Save

In Carius method, the organic compound is heated with
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 15

fuming nitric acid is used.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 16
Save

2-bromo butane can be represented in various ways. Choose the incorrect one from the following
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 16

A will be wrong as terminal group represent methyl group not bromine.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 17
Save

Compounds contain carbon atoms joined in the form of a ring are called
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 17

they are known as alicyclic compounds.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 18
Save

The principle involved in paper chromatography is
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 18

Paper chromatography is based on the principle of partition

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 19
Save

Geometrical isomers and Optical isomers are:
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 19

They are stereoisomers as they differ in the orientation of atoms in space.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 20
Save

Write the state of hybridisation of carbon in the compound, HC≡≡N and shapes of each of the molecules
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 20

C is sp hybridized and is linear in shape.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 21
Save

Which of the following is the correct IUPAC name?
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 21

4, 4-Dimethyl-3-ethylheptane is correct iupac name.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 22
Save

The molecular formula C3H8O represents two alcohols: propan-1-ol and propan-2-ol. This property is called
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 22

propan-1-ol and propan-2-ol are positional isomers as they differ ony in the position of functional group.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 23
Save

In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 23

Cl is more electronegative.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 24
Save

When an organic compound is present in an aqueous medium, it is separated by
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 24

They are separated by differential extraction.

Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 25
Save

In sulphur estimation, 0.157 g of an organic compound gave 0.4813 g of barium sulphate. What is the percentage of sulphur in the compound?
Detailed Solution for Organic Chemistry : Some Basic Principles - Practice Test (1) - Question 25

moles of BaSO4 = moles of S = 0.418/(137+32+64) = 0.002065 moles % of S = 0.002065×32 × 100/0.157 = 42.10%

Information about Organic Chemistry : Some Basic Principles - Practice Test (1) Page
In this test you can find the Exam questions for Organic Chemistry : Some Basic Principles - Practice Test (1) solved & explained in the simplest way possible. Besides giving Questions and answers for Organic Chemistry : Some Basic Principles - Practice Test (1), EduRev gives you an ample number of Online tests for practice

Top Courses for Class 9

Download as PDF

Top Courses for Class 9

Important Questions for Organic Chemistry : Some Basic Principles - Practice Test (1)

Find all the important questions for Organic Chemistry : Some Basic Principles - Practice Test (1) at EduRev.Get fully prepared for Organic Chemistry : Some Basic Principles - Practice Test (1) with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Organic Chemistry : Some Basic Principles - Practice Test (1) syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Organic Chemistry : Some Basic Principles - Practice Test (1) resources.

Organic Chemistry : Some Basic Principles - Practice Test (1) MCQs with Answers

Prepare for the Organic Chemistry : Some Basic Principles - Practice Test (1) within the Class 9 exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Organic Chemistry : Some Basic Principles - Practice Test (1)

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Organic Chemistry : Some Basic Principles - Practice Test (1) with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup