01Easy35×since 2005Q532In the reaction of hypobromite with amide, the carbonyl carbon is lost as :ACO₂BCOCHCO3−_3^ -3−DCO32−_3^{2 - }32−Check answerSkip
02Easy35×since 2005Q528A compound 'X' on treatment with Br₂/NaOH, provided C₃H₉N, which gives positive carbylamine test. Compound 'X' is :ACH₃CH₂CH₂CONH₂BCH₃CON(CH₃)₂CCH₃CH₂COCH₂NHDCH₃COCH₂NHCH₃Check answerSkip
03Easy35×since 2005Q529The most appropriate reagent for conversion of C₂H₅CN into CH₃CH₂CH₂NH₂ isANaBH₄BCaH₂CNa(CN)BH₃DLiAlH₄Check answerSkip
04Easy35×since 2005Q537Reaction of propanamide with Br2/KOH(aq)\mathrm{Br_2/KOH(aq)}Br2/KOH(aq) produces :APropanenitrileBPropylamineCEthylnitrileDEthylamineCheck answerSkip
05Easy35×since 2005Q521Which one of the following methods is neither meant for the synthesis nor for separation of amines?AHinsberg methodBHofmann methodCWurtz reactionDCurtius reactionCheck answerSkip
06Medium35×since 2005Q522Which one of the following is the strongest base in aqueous solution?ATrimethylamineBAnilineCDimethylamineDMethylamineCheck answerSkip
07Medium35×since 2005Q523Considering the basic strength of amines in aqueous solution, which one has the smallest pK_b value?A(CH₃)₃NBC₆H₅NH₂C(CH₃)₂NHDCH₃NH₂Check answerSkip
08Medium35×since 2005Q524In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br₂ used per mole of amine produced are:AFour moles of NaOH and two moles of Br₂.BTwo moles of NaOH and two moles of Br₂CFour moles of NaOH and one mole of Br₂DOne mole of NaOH and one mole of Br₂Check answerSkip
09Easy35×since 2005Q525The test to distinguish primary, secondary and tertiary amines is :ACarbylamine reactionBC₆H₅SO₂ClCSandmeyer’s reactionDMustard oil testCheck answerSkip
10Easy35×since 2005Q526Ethylamine (C₂H₅NH₂) can be obtained from N-ethylphatalimide on treatment with :ACaH₂BH₂OCNaBH₄DNH₂NH₂Check answerSkip