मराठी

(English Medium) ICSE Class 10 - CISCE Important Questions

Advertisements
विषय
अध्याय
विषय
मुख्य विषय
अध्याय

Please select a subject first

Advertisements
Advertisements
< prev  1101 to 1120 of 3874  next > 

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: [9.1] Organic Compounds
Concept: Organic Compounds

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

Appears in 1 question paper
Chapter: [9.2] Hydrocarbons : Alkanes
Concept: Laboratory Preparation of Ethane

The IUPAC name of Ethylene is ______.

Appears in 1 question paper
Chapter: [9.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

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

Appears in 1 question paper
Chapter: [9.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Draw the structural diagram of 1, 2 dichloroethane.

Appears in 1 question paper
Chapter: [9.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Complete and balance the following chemical equation:

C2H2 + I2 →

Appears in 1 question paper
Chapter: [9.3] Hydrocarbons: Alkenes
Concept: Ethene (Ethylene)

Write balanced equations to show the preparation of the following:

Ethyne from calcium carbide.

Appears in 1 question paper
Chapter: [9.4] Hydrocarbons: Alkynes
Concept: Ethyne

Name the following organic compound:

The compound formed by complete chlorination of ethyne.

Appears in 1 question paper
Chapter: [9.4] 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.

Appears in 1 question paper
Chapter: [9.6] Carboxylic Acids
Concept: Ethanoic Acid

Give balanced chemical equations for Sodium ethanoate to methane.

Appears in 1 question paper
Chapter: [9.6] Carboxylic Acids
Concept: Ethanoic Acid

Fill in the blanks from the choices given within brackets:

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

Appears in 1 question paper
Chapter: [9.6] Carboxylic Acids
Concept: Ethanoic Acid

Give a reason:

Conductivity of dilute hydrochloric acid is greater than that of acetic acid

Appears in 1 question paper
Chapter: [9.6] Carboxylic Acids
Concept: Ethanoic Acid

Give the structural formula of Acetic acid.

Appears in 1 question paper
Chapter: [9.6] Carboxylic Acids
Concept: Ethanoic Acid

Draw the structural diagram of: 

Ethanoic acid

Appears in 1 question paper
Chapter: [9.6] 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: [9.6] Carboxylic Acids
Concept: Carboxylic Acids

Draw the structural diagram for the following compound.

propanoic acid

Appears in 1 question paper
Chapter: [9.6] Carboxylic Acids
Concept: Carboxylic Acids

Which market provides long-term finance to business enterprises?

Appears in 1 question paper
Chapter: [1.1] Markets and Marketing
Concept: Concept of Market

Standardised products are ______ in nature.

Appears in 1 question paper
Chapter: [1.1] Markets and Marketing
Concept: Difference Between a Product and a Service (With Examples)

List any two features of a Service.

Appears in 1 question paper
Chapter: [1.1] Markets and Marketing
Concept: Difference Between a Product and a Service (With Examples)

Which stage of marketing is characterised by hard selling?

Appears in 1 question paper
Chapter: [1.1] Markets and Marketing
Concept: Stages of Marketing
< prev  1101 to 1120 of 3874  next > 
Advertisements
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×