Please select a subject first
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In the case of bond formation in Acetylene molecule: State number of sigma and pi bonds formed.
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In the case of bond formation in Acetylene molecule: Name the type of Hybridization.
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Predict the shape and bond angles in the following molecule:
CF4
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Predict the shape and bond angles in the following molecule:
NF3
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Predict the shape and bond angles in the following molecule:
HCN
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Predict the shape and bond angles in the following molecule:
H2S
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Using data from the Table, answer the following:
| Examples | C2H6 Ethane | C2H4 Ethene | C2H2 Ethyne |
| Structure |
\[\begin{array}{cc} \backslash \phantom{......}/\phantom{.}\\ \ce{—C – C —}\\ /\phantom{......}\backslash\phantom{.}\end{array}\] |
\[\begin{array}{cc} \backslash \phantom{......}/\\ \ce{C \text{=} C}\\ /\phantom{......}\backslash\end{array}\] |
\[\ce{- C ≡ C -}\] |
| Type of bond between carbons | single | double | triple |
| Bond length (nm) | 0.154 | 0.134 | 0.120 |
| Bond Enthalpy kJ mol-1 | 348 | 612 | 837 |
- What happens to the bond length when unsaturation increases?
- Which is the most stable compound?
- Indicate the relationship between bond strength and Bond enthalpy.
- Comment on the overall relation between Bond length, Bond Enthalpy, and Bond strength and stability.
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Complete the flow chart.
| Molecular Formula | Structural Formula | Shape/ Geometry | Bond angle |
| BeCl2 | 180° | ||
| O=C=O | Linear | ||
| C2H2 |
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Write the formula to calculate the bond order of molecule.
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Choose the correct option.
The size of colloidal particles lies between ______.
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Define the term Electrophoresis.
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Distinguish between lyophobic and lyophilic sols.
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Identify the dispersed phase and dispersion medium in the following colloidal dispersions.
- milk
- blood
- printing ink
- fog
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Write Hardy-Sulze rules.
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Write a note on the Tyndall effect.
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Write a note on Brownian motion.
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Write a note on Types of emulsion.
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Explain Electrophoresis diagramatically.
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