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Cellulose upon acetylation with excess a...

Cellulose upon acetylation with excess acetic anhydride/`H_(2)SO_(4)` (catalytic) gives cellulose triacetate whose structure is

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B


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KVPY PREVIOUS YEAR-MOCK TEST 9-EXERCISE
  1. Consider the following three compounds (i)AX(2n)^(n-), (ii)AX(3n) and...

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  2. Gas A is bubbled through slaked lime when a white precipitate is forme...

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  3. Cellulose upon acetylation with excess acetic anhydride/H(2)SO(4) (cat...

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  4. On addition of increasing amount of AgNO3 to 0.1 M each of NaCl and Na...

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  5. 5 g of Na(2)SO(4) was dissolved in x g of H(2)O . The change in freezi...

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  6. Passing H(2)S gas into a mixture of Mn^(2+), Ni^(2+), Cu^(2+) and Hg^(...

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  7. When 2 g of a gas A is introduced into an evacuated flask kept at 25^(...

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  8. Which of the following componds does not evolve oxygen when heated alo...

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  9. Equimolar solutions of the following substances were prepared separate...

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  10. n-Propyl benzene can be obtained in quantitative yield by following me...

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  11. A solution of ( + )-1-chloro-1-phenylethane in t toluene racemises slo...

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  12. At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air...

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  13. The compression factor (compressibility factor) for 1 mol of a van der...

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  14. Two reactants A and B separately shows two chemical reactions.Both rea...

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  15. Compounds [Cu(H2O)6]^(2+)(A) and [Ti(H2O)6]^(3+) (B) exhibit tetragona...

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  16. A gas undergoes a process such that pprop1/T. If the molar heat capaci...

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  17. The decomposition of N(2)O(5) according to the equation: 2N(2)O(5)(g) ...

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  18. Arrange the wavelengths (lambda) of the following emission lines of H-...

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  19. Which of the following expression for % dissociation of a monoacidic b...

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  20. The final product Z in the following reaction is

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