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प्रश्न
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
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उत्तर
The general formula CnH2n for cycloalkanes is the same as that of alkenes.
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संबंधित प्रश्न
What would be the electron-dot structure of carbon dioxide which has the formula CO2?
What type of bonds are present in Cl2 molecule? Draw their electron-dot structures.
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
will CS2 conduct electricity or not?
give reason for your choice.
How will you find out which of the water soluble compound A or B is ionic?
An element E exists in three allotropic forms A, B and C. In allotrope A, the atoms of element E are joined to form spherical molecules. In allotrope B, each atom of element E is surrounded by three other E atoms to form a sheet like structure. In allotrope C, each atom of element E is surrounded by four other E atoms to form a rigid structure.
(a) Name the element E.
(b) What is allotrope A.
(c) What is allotrope B?
(d) What is allotrope C?
(e) Which allotrope is used in making jewellery?
(f) Which allotrope is used in making anode of a dry cell?
State the type of bonding in the following molecule.
Ammonium ion
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
Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.
Explain the following:
Polar covalent compounds are good conductors of electricity.
An element L consists of molecules.
Why L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
What do you understand by dipole (polar) molecule?
Give an example of the covalent bond formed by
(i) Similar atoms (ii) Dissimilar atoms
Number of valence electrons in a carbon atom is _______.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{.........}\ce{H}\\ \phantom{.........}|\\ \ce{H - C ≡ C - C - H}\\ \phantom{.........}|\\ \phantom{.........}\ce{H} \end{array}\] |
The number of pi-bonds present in benzoic acid molecule are ______.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of ______.
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
`"CH"_3 - "CH"_2 - "OH" overset("Alkaline""KMnO"_4 + "Heat")(->) "CH"_3 - "COOH"`
In the above given reaction, alkaline KMnO4 acts as
The correct structural formula of butanoic acid is
