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The general formula of alkynes is:...

The general formula of alkynes is:

A

`C _(n ) H _(2n -2)`

B

`C _(n) H _(2 n +2)`

C

`C _(n) H _(2n)`

D

`C _(n) H _(2 n +2) O`

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The correct Answer is:
A
`C_n H_(2n-2)`
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ICSE-SAMPLE QUESTION PAPER 02-SECTION ll
  1. The general formula of alkynes is:

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  2. Show the formation of H(3)O ^(+) using the electron dot diagram.

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  3. Distinguish between the following pairs of compounds using the test gi...

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  4. Distinguish between the following pairs of compounds using the test gi...

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  5. Distinguish between the following pairs of compounds using the test gi...

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  6. Study the table and answer the question : Compare the positions ...

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  7. Study the table and answer the question : Which is more metallic...

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  9. Study the table and answer the question : What type of bond is f...

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  10. Identify the gas evolved in each of the cases: A colourless gas lib...

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  11. Identify the gas evolved in each of the cases: Water is added to ca...

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  12. Identify the gas evolved in each of the cases: Dilute hydrochloric ...

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  13. Identify the gas evolved in each of the cases: Dilute nitric acid i...

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  14. Name the organic compound prepared by the following reactions: C2H5...

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  15. Write balanced chemical equations for the following: A mixture of so...

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  16. Write a balanced equation for the C (2) H (4) + Br (2) to

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  17. Write a balanced equation for the C(2) H (5)OH + Na to

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  18. State how the following conversions can be carried out: Ethyl chlor...

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  19. State how the following conversions can be carried out: Ethyl alcoh...

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  20. State how the conversions can be carried out. Ethyl bromide to etha...

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  21. Give the correct IUPAC name for each of the compond whose structural f...

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