class10 icse chemistry board questions chapter organic chemistry

Class 10 ICSE Organic Chemistry Board Questions

Here we provide Class 10 chemistry important notes,board questions and predicted questions with Answers for chapter Organic Chemistry. These important notes,board questions and predicted questions are based on ICSE board curriculum and correspond to the most recent Class 10 chemistry syllabus. By practising these Class 10 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 10 Board examinations.

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Important Notes

Board Questions

Organic Chemistry BoardQuestions

2020

Q1 Тће organic compound having а triple carbon-carbon covalent bond,is:

A. C₃H₄
B. C₃H₆
C. C₄H₁₀

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Q2 (i) Draw the structural formula for each of the following:

1. 2,2 dimethyl
2. methanol
3. Iso propane

(ii) Write the IUPACname for following compounds:

1. acetaldehyde
2. acetylene

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Q3 Draw the structures of isomers of pentane.

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2019

Q1 Give the IUPAC name of the following organic compounds:

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2018

Q1 (i) Give the IUРАС пате Гот each of the following:

(ii) Write the structural formula ofthe two isomers of butane.

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Q2 Complete the following table which relates to the homologous series of hydrocarbons.

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2017

Q1 (i) Draw the structural formula for each of the following:

1. 2, 3 — dimethyl butane
2. diethyl ether
3. propanoic acid

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Q2 Identify the term or substance based on the descriptions given below:

(i) Ice like crystals formed on cooling an organic acid sufficiently.
(ii) Hydrocarbon containing a triple bond used for welding purposes.
(iii) The property by virtue of which the compound has the same molecular formula but different structural formulae.
(iv) The compound formed where two alkyl groups are linked by —C=0- group.

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Alkane(Board Questions)

2020

Q1 Producing ethane from bromo ethane using Zn/Cu couple in alcohol

Complete combustion of ethane

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Q2 Soda lime is preffered to sodium hydroxide in the laboratory preparation of methane

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2019

Q1 Write a balanced chemical equation for the preparation of:
Methane from sodium acetate

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2017

Q1 Give a balanced chemical equation for each of the following:
Preparation of ethane from Sodium propionate

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2016

Q1 Write a balanced chemical equation for following:
Burning of ethane in plentiful supply of air

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Alkene(Board Questions)

2020

Q1 Copy and complete the following paragraph using the option given in brackets:

Alkenes are a homologous series of (i) ________ (saturated/unstaurated) hydrocarbons characterized by the general formula (ii) __________ (C_nH_2n+2/C_nH_2n).Alkenes undergo (iii) _________(addition/substitution) reactions and also undergo (iv) ________(hydrogenation/dehydrogenation to form alkanes)

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2019

Q1 Write a balanced chemical equation for the preparation of:
Ethene from bromoethane

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2017

Q1 Give a balanced chemical equation for each of the following:
Action of alcoholic KOH on bromoethane

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2016

Q1 Equation for the reaction when compound A is bubbled through bromine dissolved in carbon tetrachloride is as follows:

(i) Draw the structure A
(ii) State your observation during this reaction

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