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प्रश्न
Fill in the blank in the following sentence:
The number of single covalent bonds in C2H2 molecule are ...........
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उत्तर
The number of single covalent bonds in a C2H2 molecule is two.
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संबंधित प्रश्न
Name one covalent compound containing chlorine.
Explain why, graphite can be used as a lubricant but diamond cannot.
Out of KCl, HCl, CCl4 and NaCl, the compounds which are not ionic are:
(a) KCl and HCl
(b) HCl and CCl4
(c) CCl4 and NaCl
(d) KCl and CCl4
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
Give two example in following case:
Solid covalent compounds
Explain the following term with example.
Alkane
Explain the following term with example.
Homopolymer
Explain the following:
Polar covalent compounds are good conductors of electricity.
Acids dissolve in water and produce positively charged ions. Draw the structure of these positive ions.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
Write equations to show how A and B form ions.
Define the functional group and complete the following table.
| S.I. No. | Functional Group | Compound | Formula |
| (1) | ______________ | _______________ |
C2H5OH |
| (2) | _______________ | _______________ | CH3CHO |
The molecular masses of a carbon compound spread over a range of _______.
From the following hydrocarbon _______ is the cyclic hydrocarbon.
Write an Explanation.
Alkyne
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{.........}\ce{H}\\ \phantom{.........}|\\ \ce{H - C ≡ C - C - H}\\ \phantom{.........}|\\ \phantom{.........}\ce{H} \end{array}\] |
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{..}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ \phantom{..}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C- C- H}\\ \phantom{.}|\phantom{....}|\phantom{....}|\\ \ce{H - C - H}\\ |\\\ce{H}\end{array}\] |
The correct structural formula of butanoic acid is -
Non-polar covalent compounds are ______ conductors of heat and electricity.
