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प्रश्न
Butanone is a four-carbon compound with the functional group:
विकल्प
carboxylic acid
aldehyde
ketone
alcohol
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उत्तर
ketone
Explanation:
The structure of butanone is:
\[\begin{array}{cc}
\phantom{.......}\ce{O}\\
\phantom{.......}||\\
\ce{CH3 - CH2 - C - CH3}
\end{array}\]
It has \[\ce{>C = O}\] (Ketone group) as its functional group.
संबंधित प्रश्न
Explain why carbon forms compounds mainly by covalent bond.
State the reason to explain why covalent compounds "have low melting and boiling points."
Name the following:
The property of element by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure.
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
How buckminsterfullerene is it related to diamond and graphite?
One of the following compounds is not ionic in nature. This compound is:
(a) Lithium chloride
(b) Ammonium chloride
(c) Calcium chloride
(d) Carbon tetrachloride
Distinguish between ionic and covalent compounds under the following properties:
(i) Strength of forces between constituent elements
(ii) Solubility of compounds in water
(iii) Electrical conduction in substances
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methane
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methanol
Explain the following term with example.
Covalent bond
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
X is likely to have a ______.
In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compound?
What are Allotropes? Name any two allotropic forms of carbon. Give one use of it.
Molecular reactions are ______ in the covalent compound.
Write notes on the characteristics of covalent compounds.
State the reasons, why carbon cannot
- Lose four electrons to form C4+ cation and
- Gain four electrons to form C4- anion.
How does carbon overcome this problem to form compounds?
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
