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Engineering
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The correct match between items of List-I and List-II is :

List - I                                                          List - II

(A) Coloured                                                (P) Steam impurity distillation

(B) Mixture of o-nitrophenol                         (Q) Fractional distillation

and p-nitrophenol                      

(C) Crude Naphtha                                      (R) Charcoal treatment

(D) Mixture of                                               (S) Distillation under reduced pressure

glycerol and sugars

  • Option 1)

    (A) - (R) , (B) - (S) , (C) - (P) , (D) - (Q)

  • Option 2)

    (A) - (R) , (B) - (P) , (C) - (S) , (D) - (Q)

  • Option 3)

    (A) - (R) , (B) - (P) , (C) - (Q) , (D) - (S)

  • Option 4)

    (A) - (P) , (B) - (S) , (C) - (R) , (D) - (Q)

 
As we learned  @2608 @2609 @2610   Option 1) (A) - (R) , (B) - (S) , (C) - (P) , (D) - (Q) Option 2) (A) - (R) , (B) - (P) , (C) - (S) , (D) - (Q) Option 3) (A) - (R) , (B) - (P) , (C) - (Q) , (D) - (S) Option 4) (A) - (P) , (B) - (S) , (C) - (R) , (D) - (Q)
Engineering
339 Views   |  

Which of the following compounds will be suitable for Kjeldahl’s method for nitrogen estimation?

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

As we learned

Kjeldahl's method -

Percentage\:of\:N=\frac{1.4\times M\times 2(v-v_{1/2})}{m}
 

M=Molarity(v-v_{1/2})vol\:of\:NH_{3}


m=Mass\:of\:O.C

- wherein

 

 Nitrogen present in aromatic ring, Nitro compounds and azo-compounds are not estimated by Kjeldahl’s method.


Option 1)

Option 2)

Option 3)

Option 4)

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