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(English Medium) ICSE Class 10 - CISCE Important Questions for Chemistry

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Chemistry
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Draw the structural formula for Diethyl ether

Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

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

\[\begin{array}{cc}
\ce{A ->[Br2/CCl4] CH2Br}\\
\phantom{.........}|\\
\phantom{.................}\ce{CH2Br}\\
\end{array}\]

  1. Draw the structure of compound A.
  2. State your observation during this reaction.
Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Give the structural formula for 1, 2-dichloroethane

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Chapter: [9.1] Organic Compounds
Concept: Homologous Series

The organic compound which undergoes substitution reaction is :

(A) `C_2H_2`

(B) `C_2H_4`

(C) `C_10H_18`

(D) `C_2H_6`

Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

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

General formula IUPAC name of the homologous series Characteristic bond type IUPAC name of the first member of the series
CnH2n−2 (A) ______ (B) ______ (C) ______
CnH2n+2 (B) ______ (E) ______ (F) ______
Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Homologous Series

Define catenation.

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Chapter: [9.1] Organic Compounds
Concept: Carbon: A Versatile Element

Arrange the following according to the instruction given in the bracket:

Ethane, methane, ethene, ethyne (In the increasing order of the molecular weight) [H = 1. C = 12].

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

What is homologous series?

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

The unsaturated hydrocarbons undergo ______.

Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Identify the gas evolved when sodium propionate is heated with sodalime

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Name the following:

Process by which ethane is obtained from ethene.

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Name the following:

A hydrocarbon which contributes towards the greenhouse effect.

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Name the following:

Distinctive reaction that takes place when ethanol is treated with acetic acid.

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Name the following:

The property of elements by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure.

Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Carbon to carbon double bond is found in ______.

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Complete and balance the following chemical equation:

C2H6 + O2 →

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Chapter: [9.1] Organic Compounds
Concept: Hydrocarbons

Name the following organic compound:

The first homologue whose general formula is CnH2n.

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Chapter: [9.1] Organic Compounds
Concept: Homologous Series

Study and complete the following table:

Homologous series Alkane Alkyne
General formula CnH2n+2 1. ______
IUPAC name 2. ______ Ethyne
Common name Marsh gas 3. ______
Appears in 1 question paper
Chapter: [9.1] Organic Compounds
Concept: Homologous Series

Give the structural formula of the following organic compound:

2-chlorobutane

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds

Give the structural formula of the following organic compound:

But-2-yne

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Chapter: [9.1] Organic Compounds
Concept: Organic Compounds
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