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The kind of valency that exists to CaH(2...

The kind of valency that exists to `CaH_(2) and C_(2) H_(2)` are

A

Electrovalency in `CaH_(2)` and covalency in `C_(2)H_(2)`

B

Electrovalency in both

C

Covalency in `CaH_(2)` and electrovalency in `C_(2)H_(2)`

D

Covalency in both

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The correct Answer is:
A
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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Practice Exercise
  1. The compound CH(3) - underset(underset(CH(3))(|))(CH) - underset(under...

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  2. Most often ordinary functional groups are attached with the following ...

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  3. The kind of valency that exists to CaH(2) and C(2) H(2) are

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  4. The compound which has one isopropyl group is

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  5. Which alkane would have only 1^(@) - and 3^(@)- and

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  6. The shortest C-C bond distance is found in

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  7. The correct match is

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  8. The compound having only one type of hybrid obitals in all carbon atom...

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  9. The compound having some number of sigma are pi bonds is

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  10. In the compound CH(2)= CH- CH(2) - CH(2) - C -= CH, " the " C(2) - CH(...

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  11. Number of 1^(@), 2^(@), 3^(@) hydrogen atoms in iso-pentane are

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  12. Compound containing sp and sp^(2) hybridised carbon atoms is

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  13. Distillation is used to separate liquids which differ in their b, pt b...

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  14. Which one of the following is not used for the purification of solid i...

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  15. A mixture contains four solid organic compounds A,B,C,D. On heating, o...

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  16. In paper chromatography

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  17. Which of the following is the scientific method to test the presence o...

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  18. 0.2g of an organic compound on complete combustion produces 0.18g of w...

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  19. Which of the following organic compounds contain about 52% carbon?

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  20. In Kjeldahl's method, the nitrogen presence is estimated as

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