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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (मराठी सेमी-इंग्रजी) इयत्ता ९ वी

At least one carbon bond in an unsaturated hydrocarbon is ______. - Science and Technology

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प्रश्न

At least one carbon bond in an unsaturated hydrocarbon is ______.

पर्याय

  • single

  • all double

  • ionic

  • carbon

  • give and take

  • hydrogen

  • multiple

  • share

  • most

  • covalent

MCQ
रिकाम्या जागा भरा

उत्तर

At least one carbon bond in an unsaturated hydrocarbon is multiple.

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पाठ 13: Carbon: An important element - Exercise [पृष्ठ १४९]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
पाठ 13 Carbon: An important element
Exercise | Q 1. c. | पृष्ठ १४९

संबंधित प्रश्‍न

What do you mean by catenation?


The general molecular formula of alkynes is ______


______ compounds decolourize bromine water.


Answer the following question using the data given below:

  • Assertion: Alkanes are saturated hydrocarbons.
  • Reason: Hydrocarbons consist of covalent bonds.

______ is an odourless and highly inflammable gas.


Which gas is used as fuels and solvents in the laboratory?


Hydrocarbons are less dense than ______.


Sewage sludge can also be decomposed by microorganisms to produce methane gas along with impurities like carbon dioxide and ______.


______ can also be used as a refrigerant.


Match the following:

1. Hydrocarbons  a. Marsh gas
2. Methane  b. Cleanest fuel
3. Butane  c. Catenation
4. CNG  d. Polystyrene

Identify saturated and unsaturated hydrocarbons from the given structural formula:

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}\\
\phantom{}|\phantom{...}|\phantom{}\\
\ce{H-C-C-H}\\
\phantom{}|\phantom{...}|\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}
\end{array}\]
\[\begin{array}{cc}
\phantom{..}\ce{H}\phantom{........}\ce{H}\phantom{.}\\
\phantom{.}\backslash\phantom{......}/\phantom{}\\
\ce{C = C}\\
\phantom{}/\phantom{......}\backslash\phantom{}\\
\phantom{}\ce{H}\phantom{........}\ce{H}\phantom{}
\end{array}\]
(1) (2)

Complete the following flow chart:


Identify the hydrocarbon from the given electron-dot structure:

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\end{array}\]


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