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The symbols of some of the ions are give...

The symbols of some of the ions are given below : K+ , Al3+ , Br- , O2- using this information , write down the formulae of : aluminium oxide

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`CH_3COOC_2H_5 + NaOH rarr CH_3COO^(-)Na^(+)+C_2H_5OH`
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A spinel is an important class of oxide consisting two types of metal ions withs the oxide ions arranged in ccp layers . The normal spinel has one -eight of the tetrahendral holes occupied by one type of metal ions and one- half of the octaherdral holes occupied by another type of metal ion. Such a spine is formed by Mg^(2+), Al^(3+) and O^(2-) . The netutrality of the crystal is benig maintained. Type of hole occupied by Al^(3+) ions is:

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In a cubic close packed structure of mixed oxides, the lattice is made up of oxide ions, one eigth of the tetrahedral voids are occupied by divalent ions (A^(2+)) while one half of octrahedral voids are occupied by trivalent ions (B^(3+)) . What is the formula of the oxide?

SWAN PUBLICATION-CARBON AND ITS COMPOUNDS-ADDITIONAL IMPORTANT QUESTIONS(SHORT ANSWER TYPE QUESTIONS)
  1. How would you name the following compounds? CH3-CH2-Br

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  2. How would you name the following compound ? H-overset(H)overset(|)C=...

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  3. How would you name the following compound ? H-underset(H)underset(|)...

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  4. Differentiate between alkanes and alkenes. Name and draw the structure...

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  5. Give the formulae of compound formed from the following sets of elemen...

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  6. The symbols of some of the ions are given below : K+ , Al3+ , Br- , O2...

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  7. Complete the following equation : CH3COOH + NaHCO3 rarr

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  8. What do we call those particles which are formed : by the loss of elec...

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  9. An element A have a valancy +1. what is the formula of sulphate of A?

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  10. An element B have a valancy +2. what is the formula of nitrate of B?

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  11. The formula of the chloride of metal is MCl2. What will be the formula...

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  12. (a) Mention the experimental conditions involved in obtaining ethene f...

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  13. What do we call those particles which are formed : by the gain of elec...

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  14. What is a dehydration reaction ? Explain this reaction with the help o...

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  15. Write six uses of ethyl alcohol.

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  16. An element P has a valancy of 4. what is the formula of oxide of P ?

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  17. Name the particle which have 18 electrons , 18 neutrons and 17 protons...

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  18. Name the particle which have 10 electrons , 11 protons and 12 neutrons...

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  19. What is meant by the term "functional group".

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  20. Why have detergents replaced soap as a washing agent ?

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