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

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The compound which does not have a double bond in its structure.

Appears in 1 question paper
Chapter: [12.1] Organic Compounds
Concept: Organic Compounds

The compound in its pure form turns into an ice like solid on cooling.

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Chapter: [12.1] Organic Compounds
Concept: Organic Compounds

The compound which is used for artificial ripening of fruits.

Appears in 1 question paper
Chapter: [12.1] Organic Compounds
Concept: Organic Compounds

Draw the structural diagram for the following compound.

2,2 dibromo butane

Appears in 1 question paper
Chapter: [12.1] Organic Compounds
Concept: Organic Compounds

The structures of six organic compounds are shown:

A

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C = C - C - H}\\
|\phantom{.............}|\\
\ce{H}\phantom{............}\ce{H}
\end{array}\]

B

\[\begin{array}{cc}
\phantom{.......}\ce{H}\phantom{.....}\ce{O}\\
\phantom{.......}|\phantom{.....}//\\
\ce{H - C - C}\\
\phantom{......}|\phantom{.....}\backslash\\
\phantom{...........}\ce{H}\phantom{.....}\ce{O - H}
\end{array}\]

C

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]

D

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{O}\\
\phantom{.......}\backslash\\
\phantom{.........}\ce{H}
\end{array}\]

E

\[\begin{array}{cc}
\ce{H}\\
|\\
\ce{H - C - H}\\
\ce{H}\phantom{....}\phantom{....}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]

F

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{C = C}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}
\end{array}\]

  1. Identify two of the compounds that are members of the same homologous series but are not isomers.
  2. Which two compounds are isomers of each other?
  3. F can be prepared from D. Give a chemical equation for the reaction.
Appears in 1 question paper
Chapter: [12.1] Organic Compounds
Concept: Organic Compounds

The hydrocarbon is formed when sodium propionate and soda lime are heated together.

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Chapter: [12.2] Hydrocarbons : Alkanes
Concept: Laboratory Preparation of Ethane

The IUPAC name of Ethylene is ______.

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Chapter: [12.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Name the compound formed when: Ethene reacts with hydrogen in the presence of a catalyst.

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Chapter: [12.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Draw the structural diagram of 1, 2 dichloroethane.

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Chapter: [12.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Complete and balance the following chemical equation:

C2H2 + I2

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Chapter: [12.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Write balanced equations to show the preparation of the following:

Ethyne from Calcium carbide

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Chapter: [12.4] Hydrocarbons: Alkynes
Concept: Ethyne

Name the following organic compound:

The compound formed by complete chlorination of ethyne.

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Chapter: [12.4] Hydrocarbons: Alkynes
Concept: Ethyne

Identify the term or substance based on the descriptions given below

Ice like crystals formed on cooling an organic acid sufficiently.

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Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Give balanced chemical equations for Sodium ethanoate to methane.

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Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Name the following:

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

Appears in 1 question paper
Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Fill in the blanks from the choices given within brackets:

The basicity of acetic acid is-------- (3, 1, 4).

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Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid

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Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Give the structural formula of Acetic acid.

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Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Draw the structural diagram of: 

Ethanoic acid

Appears in 1 question paper
Chapter: [12.6] Carboxylic Acids
Concept: Ethanoic Acid

Reaction of an alcohol with a carboxylic acid in the presence of concentrated \[\ce{H2SO4}\] is termed as ______.

Appears in 1 question paper
Chapter: [12.6] Carboxylic Acids
Concept: Carboxylic Acids
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