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What is sublimation?...

What is sublimation?

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Which of the following materials exhibits sublimation ?

A mixture that can be separated by sublimation is

(A) A mixture of comphor and benzoic acid cannot be separated by sublimation. (R) Camphor on heating sublimes but benzoic acid does not.

Which of the following compound show sublimation?

Which of the following exhibit the property of sublimation?

The enthalpy of formation of gaseous iodine is 62.5 kJ "mol"^(-1) . What is the enthalpy of sublimation of iodine at 25^(@)C ?

MODERN PUBLICATION-ORGANIC CHEMISTRY: BASIC PRINCIPLES AND TECHNIQUES-Revision ( Objective Questions ) Very Short Answer Questions
  1. What is meant by +I and -I inductive effect?

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  2. Write resonating structures of CH3 COO^(-) ion.

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  3. Identify the functional groups in the following :

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  4. Which of the two: But-3-yn-1-ol or But-4-ol-1-yne represents correct I...

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  5. Which of the O2 N CH2 CH2 O^(-) or CH3 CH2 O^(-) is expected to be mor...

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  6. Write bond line structural formula for 2- ( 4-Isobutyl phenyl) propano...

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  7. Give IUPAC name of

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  8. Select electrophiles from the following: NO(2)^(+), C(2) H(5) O^(-),...

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  9. Why is (CH3)3 C^(+) more stable than CH3 CH2^(+) ?

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  10. Write structural formula for 2-phenyl propanal.

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  11. Which of the two : trans-but-2-ene-or trans- pent-2- ene is non polar ...

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  12. What is sublimation?

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  13. (a) What is fractional distillation ? What is the use of fractionating...

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  14. How will you separate a mixture of naphthalene and sand?

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  15. What is the formula of prussian blue ?

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  16. What colour will you get in Lassaigne's test if the compound contains ...

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  17. Chemical formula for in iron(III) hexacyanoferrate(II) is

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  18. Will C Cl4 give white precipitate of AgCl on heating with nitrate? Giv...

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  19. Explain why an organic liquid vaporises at a temperature below its boi...

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  20. Why is solution of potassium hydroxide used to absorb carbon dioxide e...

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