Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 20

MEDIUM

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IMPORTANT

Earn 100

Two carbon compounds A and B have molecular formula $C_{3} H_{8}$ and $C_{3} H_{6}$ respectively. Which one of the two is most likely to show addition? Justify your answer.

Important Questions on Carbon and its Compounds

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10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 21

Suggest a test to find the hardness of water and explain the procedure.

MEDIUM

10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 22

An organic compound '

X

' with a molecular formula

C_{2} H_{6} O

undergoes oxidation with alkaline

{KMnO}_{4}

and forms the compound '

Y

', that has molecular formula

C_{2} H_{4} O_{2}

.
a. Identify '

X

' and '

Y

'.
b. Write your observation regarding the product when the compound '

X

' is made to react with compound '

Y

' which is used as a preservative for pickles.

EASY

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IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 23

Collect information about artificial ripening of fruits by ethylene.

MEDIUM

10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 24

Draw the electron dot structure of ethane molecule (

C_{2} H_{6}

).

HARD

10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 25

An organic compound with molecular formula

C_{2} H_{4} O_{2}

produces brisk effervescence on addition of sodium carbonate/ bicarbonate. Answer the following:
a. Identify the organic compound.
b. Write the chemical equation for the above reaction
c. Name the gas evolved.
d. How will you test the gas evolved?
e. List two important uses of the above compound.

EASY

10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Fill in the blanks>Q 3

Very dilute solution of ethanoic acid _____.

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10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Fill in the blanks>Q 4

A sweet odour substance formed by the reaction of an alcohol and a carboxylic acid is _____.

EASY

10th Andhra Pradesh Board