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Amongst the compounds given the one that...

Amongst the compounds given the one that would form a brilliant coloured dye on treatment with `NaNO_2` in dil HCl followed by addition to an alkaline Solution of `beta`- naphtol is

A


B


C


D


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Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- Students of a class are made to stand in rows. If one student is extra in a row, there would be 2 rowless. If one student is less in a row, there would be 3 rows more. Find the number of students in the class.

Amongst the following, the total number of compounds whose equesous solution turns red litmus paper blue is: {:(NaCN,KCl,CH_(3)COONH_(4),NaH_(2)PO_(4),ZnCl_(2), Na_(3)PO_(4)),(Fe(NO_(3))_(3),Na_(2)CO_(3),NH_(4)Cl,NaHCO_(3),Na_(2)C_(2)O_(4),Na_(2)HPO_(4)):} Given: {:("Acid",ka_(1),ka_(2),ka_(3)),(H_(3)PO_(4),10^(-3),10^(-8),10^(-12)),(H_(2)CO_(3),10^(-6),10^(-11),-),(H_(2)CO_(3),10^(-2),10^(-5),-):}

MODERN PUBLICATION-ORGANIC COMPOUNDS CONTAINING NITROGEN -EXERCISE
  1. In the reaction

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  2. The major product of the following reaction is

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  3. Amongst the compounds given the one that would form a brilliant colour...

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  4. In the reaction shown below, the major product(s) formed is/are

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  5. The major product of the following reaction is

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  6. In the following reactions, the major product W is

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  7. The product(s) of the following reaction sequence is(are)

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  8. Examine the following structures for anilinium ion and choose the corr...

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  9. A positive carbylamine test is given by

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  10. Which of the following reactions form benzylamine ?

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  11. Reaction of RCONH2 with a mixture of Br2 and KOH gives RNH2 as the ma...

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  12. What is the common name of NaHCO3?

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  13. Which of the following amines undergo acylation reaction ?

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  14. In which of the following amines, the first has lower pKb value than t...

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  15. An azo compound is formed when benzene diazonium chloride reacts with

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  16. Bromobenzene can be prepared when benzene diazonium chloride is treate...

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  17. 2X+B2H6 rarr [BH2(X)2]^+ [BH4]^- The amine(s) X is/are

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  18. Amines are basic in nature due to the presence of lone pair of electro...

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  19. Which of the following statement is not correct ?

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  20. Maximum pKb value is of

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