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Mg(2)C(3) reacts with water forming prop...

`Mg_(2)C_(3)` reacts with water forming propyne. `C_(3)^(4-)` has

A

Two sigma and two pi bonds

B

Three sigma and one pi bond

C

Two sigma and one pi bond

D

Two sigma and three pi bonds

Text Solution

Verified by Experts

The correct Answer is:
A
`(overset(-2)(C)=C=overset(-2)(C))` has two sigma and two pi bonds
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BANSAL-S BLOCK-Exercise-1
  1. The salt which finds uses in qualitative inorganic analysis is

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  2. (i) A+Na(2)CO(3) rarr B+C (ii) A overset(CO(2))(rarr) ("Milky")C T...

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  3. CsBr(3) contains

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  4. Which of the following statement is false

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  5. Na+Al(2)O(3) overset("High temperature")(rarr)X underset("water")overs...

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  6. Mg(2)C(3) reacts with water forming propyne. C(3)^(4-) has

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  7. ("White ppt")D underset(dil. H(2)SO(4))overset(Na(2)CO(3))(larr) under...

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  8. Li does resemble other alkali metals in following properties:

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  9. The pair of compounds which cannot exist together in aqueous solution ...

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  10. Crown ethers and cryptands form

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  11. Calcium imide on hydrolysis will give gas (B) which on oxidation by be...

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  12. The commercial method of preparation of potassium by reduction of molt...

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  13. Choose the correct alternate (s). (I) BeCO(3) is kept in the stmosph...

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  14. Nitrogen dioxide can not be obtained from

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  15. When conc. H(2)SO(4) was treated with K(4) [Fe(CN)(6)], CO has was evo...

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  16. A solution of metal hydroxide (MOH) with copper sulphate and mixed tar...

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  17. Which of the following statement is false

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  18. Which of the following is not a water softener?

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  19. Which of the following gases are evolved by the electrolysis of aqueou...

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  20. Which of the following option is incorrect regarding the property of '...

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