Question

4. The functional group present in propanone is:
a) alcohol b) aldehyde c) ketone d) carboxylic acid
5. Use of this on Bee stung area gives relief from pain and irritation:
a) vinegar b) baking soda c) sour milk
d) lemon juice
6. Metallic property as we move from left to right in the periodic table:
a) Increases b) decreases c) no Change d) None of these
swer the following questions:
3x1=3
7. lonic compounds conduct electricity in molten state, Give reason.
8. Define catenation.
9. Electronic configurations of 'X' and 'Y' elements are 2,8,8,1 and 2,8,7
respectively. Which type of bond forms between 'X' and 'Y'?
nswer the following questions:
3x2=6
20. Why do HCI, HNO3 etc., show acidic characters in aqueous solution, while
solutions of compounds like alcohol and glucose do not show acidic characters
though they contain hydrogen ?
1. Describe the formation of Nitrogen molecule (N2) with the help of electron dot
structure.
-OR-
Describe the formation of Oxygen molecule (02) with the help of electron dot
structure.
2. Draw a diagram showing acid solution in water conducts electricity and label
battery.​

Answer 1

Answer:

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