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HSC Science (Electronics) 11th Standard - Maharashtra State Board Question Bank Solutions for Chemistry

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Chemistry
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How do you visualize colourless compounds after separation in TLC and Paper Chromatography?

[3] Basic Analytical Techniques
Chapter: [3] Basic Analytical Techniques
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Label the diagram and explain the process in your words.

[3] Basic Analytical Techniques
Chapter: [3] Basic Analytical Techniques
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Compare TLC and Paper Chromatography techniques.

[3] Basic Analytical Techniques
Chapter: [3] Basic Analytical Techniques
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Draw diagram for bonding in ethene with sp2 Hybridisation.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Draw an orbital diagram of Fluorine molecule

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Distinguish between sigma and pi bond.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Display electron distribution around the oxygen atom in the water molecule and state the shape of the molecule, also write the H-O-H bond angle.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Give reasons for need of Hybridization

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Explain geometry of methane molecule on the basis of Hybridization.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Give a reason for the sigma (σ) bond is stronger than the Pi (π) bond.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Give a reason for carbon is tetravalent in nature.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Identify the type of overlap present in H2. Explain diagrammatically.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Identify the type of overlap present in F2. Explain diagrammatically.

[5] Chemical Bonding
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Identify the type of overlap present in H-F molecule. Explain diagrammatically.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Complete the following Table.

Molecule Type of Hybridization Type of bonds Geometry Bond angle
CH4 - 4C-H
4σ bonds
Tetrahedral -
NH3 sp3 3N-H
3σ bonds
1 lone pair
- -
H2O - - angular 104.5°
BF3 sp2 - - 120°
C2H4 - - - 120°
BeF2 - 2 Be-F Linear -
C2H2 sp (3σ+2π)
1C-C σ
2C-H σ
2C-C π
- -
[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Give the type of overlap by which the pi (π) bond is formed.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Mention the steps involved in Hybridization.

[5] Chemical Bonding
Chapter: [5] Chemical Bonding
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Define the term Inhibition.

[11] Adsorption and Colloids
Chapter: [11] Adsorption and Colloids
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Define the term Catalysis.

[11] Adsorption and Colloids
Chapter: [11] Adsorption and Colloids
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Mention various applications of equilibrium constant.

[12] Chemical Equilibrium
Chapter: [12] Chemical Equilibrium
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