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(a) How is aniline obtained from benzene?
(b) Why are the secondary amines more basic than primary amines? Describe.
(c) Write the complete chemical reactions for the conversion of aniline to sulphanilic acid.
(d) Mention two significant uses of sulphanilic acid.
(e) Write a chemical reaction of aniline which may differentiate it from ethylamine.
Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
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simple method of synthesis of the above chemical with highest yield.
Dihydric alcohols - Hydrocarbon These are compound consisting of two hydroxyl sets. These are dihydroxy components of alkanes. Their common formula is A n H 2n+2 O 2 . The very
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4-nitrotolouene ---> LiAlH 4 converts it to 4-aminotoluene ----> Add HNO 2 and it forms -----> diazonium salt ------> add H 3 PO 2 to get Toluene -----> add Br 2 /CCl 4 - 2
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
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