Related InterviewSolutions

• An organic compound `(A)` on treatment with acetic acid in the presence of sulphuric acid produces an ester `(B)`. `(A)` on mild oxidation gives `( C), ( C)` with `50 %` potassium hydroxide followed by acidification with dilute hydroxide acid generates `(A)` and `(D) ,(D)` with phosphorus pentachloride followed by reaction with ammonia gives `(E) , (E)` on dehydration produces hydrocyanic acid. Identify the compounds `(A), (B), (C), (D)`, and `(E)`.
• The correct order of increasing acid strength of the compound (A) `CH_(3)CO_(3)H " " (B) MeOCH_(2)CO_(2)H` (C) `CF_(3)CO_(2)H" " A. `DltAltBltC`B. `AltDltBltC`C. `BltDltAltC`D. `DltAltCltB`
• Acetic acid does not undergo haloform reaction. Acetic acid has no alpha-hydrogen.A. if both assertion and reason are correct , and reason is the correct explanation of the assertion.B. If both assertion and raeson are correct, but reason is not the correct explanation of the assertionC. If assertion is correct but reason is incorrectD. If assertion is inocrrect but reason is correct
• Which of the following will undergo acetylation?A. `CH_(3)CH_(2)NH_(2)`B. `CH_(3)-overset(O)overset(||)(C)-H`C. `CH_(3)CH_(2)CH_(2)OH`D. `CH_(3)-overset(O)overset(||)(C)-CH_(3)`
• In above reaction, the type of intermediates formed areA. `R-overset(O)overset(||)(C)-underset(H)underset(|)(N)-Br`B. `R-N=C=O`C. `R-NH_(2)`D. All of these
• Identify A and B in the following reaction `CH_(3)-CH_(3)overset(B)rarrCH_(3)COOHoverset(A)rarrCH_(3)CH_(2)OH`A. `{:(A,B),(HI+redP,LiAlH_(4)):}`B. `{:(A,B),(Ni//Delta,LiAlH_(4)):}`C. `{:(A,B),(LiAlH_(4),HI+red P):}`D. `{:(A,B),(Pd-BaSO_(4),Zn+HCl):}`
• Salixylic acid is prepared by reacting sodium phenoxide with carbon dioxide at `120-140^@C` under pressure. Salicylic acidA. give a violet colour with neutral ferric chlorideB. when heated slowly, it forms phenolC. is stronger acid than benoic acidD. gives a brisk efferversence with sodium bicarbonate
• Statement 1 : Lower acids on reacting with strong electropositive metals give effervescence of `H_2`. `CH_3 COOC_4 H_9` hydrolyses rapidly than `CH_3 COOCH_3`.A. Statement I is true, statement -2 is true: statement -2 is a correct explanation for statement -4B. Statement -1 is true, Statement -2 is True , Statement-2 is NOT a correct explanation for statement -4C. Statement -1 is true, Statement-2 is false,D. Statement -1 is false, Statement -2 is true.
• Match the column `{:("Column I (Acid)","Column II " (pK_(a) "Value")),("(A) HCOOH","(p) 1.73"),("(B) " CH_(3)CO OH,"(q) 3.74"),("(C) PhCOOH","(r) 4.17"),("(D) " (CO OH)_(2),"(s) 4.75"):}`
• Statement 1 : Pure acetic acid can be converted into ice like solid called glacial acetic acid. Statement 2 : Acetic acid is stronger than HCOOH.A. Statement I is true, statement -2 is true: statement -2 is a correct explanation for statement -3B. Statement -1 is true, Statement -2 is True , Statement-2 is NOT a correct explanation for statement -3C. Statement -1 is true, Statement-2 is false,D. Statement -1 is false, Statement -2 is true.