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Vavuum distillation is used to purify ...

Vavuum distillation is used to purify liquids which _________.

A

Are highly volatile

B

are explosive in nature

C

Decompose at their boiling points

D

have low boiling points

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The correct Answer is:
C
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Steam distillation is used to purify a compound which is steam principle volatile and insoluble in water. The impurities should not be steam volatile. It is based on the principle that liquid will boil when partial vapour presure of liquid and partial vapour pressure of steam both become equal to atmospheric presure P=p_(1)+p_(2) . It reduces the boiling point of liquid. ("Wt. of water distilled")/("Wt. of substance distilled")= ("M. Wt. of water" xx V.P. " of steam")/(M. Wt. "of substance" xx "V.P. substance") Which of the following cannot be separated by steam distillation?

Steam distillation is used to purify a compound which is steam principle volatile and insoluble in water. The impurities should not be steam volatile. It is based on the principle that liquid will boil when partial vapour presure of liquid and partial vapour pressure of steam both become equal to atmospheric presure P=p_(1)+p_(2) . It reduces the boiling point of liquid. ("Wt. of water distilled")/("Wt. of substance distilled")= ("M. Wt. of water" xx V.P. " of steam")/(M. Wt. "of substance" xx "V.P. substance") Whilch of the following is steam volatile?

Steam distillation is used to purify a compound which is steam principle volatile and insoluble in water. The impurities should not be steam volatile. It is based on the principle that liquid will boil when partial vapour presure of liquid and partial vapour pressure of steam both become equal to atmospheric presure P=p_(1)+p_(2) . It reduces the boiling point of liquid. ("Wt. of water distilled")/("Wt. of substance distilled")= ("M. Wt. of water" xx V.P. " of steam")/(M. Wt. "of substance" xx "V.P. substance") Calculate weight of aniline distilled if weight of water distilled is 100g when P_("organic compound")=100mm Hg and P_(H_(2)O)=200mmHg .

Distillation under reduced pressure is used to purify liquids which:

Simple distillation (or distillation) is used to separate liquids which differ in their boiling point by

Fractional distillation is used to separate liquids which differ in their boiling points by:

TARGET PUBLICATION-BASIC PRINCIPLES AND TEACHNIQUES IN ORGANIC CHEMISTRY-Critical Thinking
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  9. In the estimation of sulphur organic compound on treating with conc. H...

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  10. Find the empirical formula of the compound which contains C=16....

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  11. Carbon (electronic condiguration 1s ^(2) 2s^(2) 2p^(2)) exhibits ...

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  12. The sp ^(2) hydridisation of carbon atom gives rise to structu...

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  13. Which of the following is a heterocylic compound ?

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  14. Which of the following class of compounds does NOT contain a C...

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  15. Homologous differ in their molecular weight by

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  16. Which of the following statements is incorrect for a homologous series...

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  17. In IUPAC nomenclature , the number which indicates the position ...

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  18. Which is the quaternary carbon atom in the given structure ? ...

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  19. The IUPAC name of the compound H(3) C- overset(O )overset(||)...

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  20. What is the CORRECT name for CH(3) - underset(I) underset(|)CH- u...

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