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The correct structural formula of butanoic acid is - Science

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प्रश्न

The correct structural formula of butanoic acid is

विकल्प

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

  • \[\begin{array}{cc}
    \text{H}\phantom{.....}\text{H}\phantom{.....}\text{H}\phantom{....}\text{O}\\
    |\phantom{....}|\phantom{....}|\phantom{....}||\\
    \text{H} - \text{C} - \text{C} - \text{C} - \text{C} - \text{C} - \text{OH}\\
    |\phantom{....}|\phantom{....}|\phantom{..........}\\
    \phantom{....}\text{H} \phantom{...}\text{H}\phantom{...}\text{H}\phantom{...}
    \end{array}\]

  • \[\begin{array}{cc}
    \phantom{...}\text{H}\phantom{...}\text{H}\phantom{...}\text{H}\phantom{...}\text{H}\phantom{....}\\
    \phantom{...}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}\\
    \text{H} - \text{C} - \text{C} - \text{C} - \text{C} - \text{OH}\\
    \phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}\\
    \phantom{....}\text{H}\phantom{....} \text{H}\phantom{....}\text{H} \phantom{....}\text{H}\phantom{....}
    \end{array}\]

  • \[\begin{array}{cc}
    \phantom{....}\text{H}\phantom{....}\text{H}\phantom{....}\text{H}\phantom{...}\text{O}\phantom{...}\\
    \phantom{......}|\phantom{....}|\phantom{....}|\phantom{....}||\phantom{......}\\
    \text{H} - \text{C} - \text{C} - \text{C} - \text{C} -  \text{OH}\\
    \phantom{........}|\phantom{....}|\phantom{....}|\phantom{..............}\\
    \phantom{........}\text{H} \phantom{...}\text{H}\phantom{...}\text{H}\phantom{.............}
    \end{array}\]

MCQ
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उत्तर

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

Formula of butanoic acid is C3H7COOH. 

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अध्याय 4: Carbon and its Compounds - Multiple Choice Questions [पृष्ठ ३१]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
अध्याय 4 Carbon and its Compounds
Multiple Choice Questions | Q 18. | पृष्ठ ३१

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संबंधित प्रश्न

How does graphite act as a lubricant?


Draw the electron-dot structure of  HCl  compound and state the type of bonding.


Describe the structure of graphite with the help of a labelled diagram.


What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.


Which element exhibits the property of catenation to maximum extent and why?


Draw an electron dot structure of the following molecule. (Without showing the circle) :
Water


What do you understand by lone pair and shared pair?


Choose the correct answer from the options given below 
Which one is not example of polar covalent compound?


Name a neutral covalent molecule which contains one lone pair of electrons.


The particles present in strong electrolytes are


State the type of bonding in the following molecule.
Water


State the type of bond formed when the combining atom has small E.N. difference.


Name two compounds that are covalent when taken pure but produce ions when dissolved in water.


What is the difference between a polar covalent compound and a non-polar covalent compound?


Write an Explanation.

Alkene


Write a short note.

Aromatic hydrocarbons


Identify the incorrect statement and correct them.

  1. Like covalent compounds, coordinate compounds also contain charged particles (ions). So they are good conductors of electricity. 
  2. Ionic bond is a weak bond when compared to Hydrogen bond.
  3. Ionic or electrovalent bonds are formed by mutual sharing of electrons between atoms. 
  4. Loss of electrons is called Oxidation and gain of electron is called Reduction.
  5. The electrons which are not involved in bonding are called valence electrons.

Which of the following are correct structural isomers of butane?

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

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

Statement (A): Covalent compounds are bad conductors of electricity.
Reason (B): Covalent compounds contain charged particles (ions)


Explain dipole (polar) molecule by taking hydrogen chloride as an example.


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