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प्रश्न
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
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उत्तर
HCl and NH3
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संबंधित प्रश्न
Buckminsterfullerene is a spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
- How many hexagons of carbon atoms are present in one molecule of buckminsterfullerene?
- How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
Name the black substance of pencil. Will the current flow through the electrical circuit when we use the sharpened ends of the pencil to complete the circuit?
The number of covalent bonds in pentane (molecular formula C5H12) is ______.
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.
Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
Acids dissolve in water and produce positively charged ions. Draw the structure of these positive ions.
Draw the electron dot diagram and structure of nitrogen molecule.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc}\phantom{......}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\ \phantom{.....}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C = C}\\\phantom{.....}|\phantom{.........}|\\ \phantom{.....}\ce{H}\phantom{........}\ce{H}\end{array}\] |
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
Explain dipole (polar) molecule by taking hydrogen chloride as an example.
