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NEET UG Amines and Biomolecules — practice questions

Explore 207 free Amines and Biomolecules questions in NEET UG Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Amines and Biomolecules questions and exercises with answers

Showing questions 1–30 of 207.

Which combination correctly matches the two processes described in the notes for a galvanic cell?Read the answer and worked solution →The potential developed between the zinc rod and the solution due to its tendency to undergo oxidation is calledRead the answer and worked solution →Polythene is best classified as an:Read the answer and worked solution →The disease scurvy results from deficiency of:Read the answer and worked solution →In DNA, the complementary base pair to adenine (A) is:Read the answer and worked solution →NEET · Chemistry · Addition or Condensation PolymerRead the answer and worked solution →NEET · Chemistry · Carbohydrate FamilyRead the answer and worked solution →NEET · Chemistry · Physisorption or ChemisorptionRead the answer and worked solution →Complete the definition of an amino acidRead the answer and worked solution →True or false: amino acidsRead the answer and worked solution →Reading the definitionsRead the answer and worked solution →Which part of the amino acid?Read the answer and worked solution →Assertion and reasonRead the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Amines are best regarded as derivatives of:Read the answer and worked solution →The geometry around nitrogen in an amine molecule is:Read the answer and worked solution →The C to N to E angle in an amine is less than:Read the answer and worked solution →In the IUPAC system primary amines are named as:Read the answer and worked solution →Nitro compounds are reduced to amines by hydrogen over:Read the answer and worked solution →Reduction of nitro compounds with iron scrap uses which acid?Read the answer and worked solution →Ammonolysis of alkyl halides is carried out in a sealed tube at:Read the answer and worked solution →The chief drawback of ammonolysis is that it yields a:Read the answer and worked solution →In ammonolysis the order of reactivity of alkyl halides is:Read the answer and worked solution →Nitriles reduced with lithium aluminium hydride give:Read the answer and worked solution →Reduction of a nitrile gives an amine with how many more carbons?Read the answer and worked solution →Gabriel phthalimide synthesis is used to prepare only:Read the answer and worked solution →Aromatic primary amines cannot be made by Gabriel synthesis because:Read the answer and worked solution →Hoffmann bromamide degradation treats an amide with bromine and:Read the answer and worked solution →The amine from Hoffmann degradation has how many carbons?Read the answer and worked solution →

Worked practice questions

Which combination correctly matches the two processes described in the notes for a galvanic cell?

  1. Anode: reduction; Cathode: oxidation
  2. Anode: oxidation; Cathode: reduction
  3. Both electrodes: oxidation only
  4. Both electrodes: reduction only
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Correct answer: B. Anode: oxidation; Cathode: reduction

The notes identify zinc oxidation at the anode and copper ion reduction as the reduction process. **Thus, in a galvanic cell, oxidation occurs at the anode and reduction occurs at the cathode.**

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The potential developed between the zinc rod and the solution due to its tendency to undergo oxidation is called

  1. reduction potential
  2. oxidation potential
  3. ionic mobility
  4. transport number
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Correct answer: B. oxidation potential

The notes explicitly define the potential developed between the rod and the solution in this case as oxidation potential, represented by $E(Zn/Zn^{2+})$.

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Polythene is best classified as an:

  1. Inorganic polymer of a silicon backbone for industry
  2. Addition polymer of ethene monomers via C=C linkage
  3. Condensation polymer of ethanol with ethane backbone
  4. Natural polymer found in the bark of certain Kerala trees
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Correct answer: B. Addition polymer of ethene monomers via C=C linkage

Polythene is formed by addition polymerisation of ethene (CH$_2$=CH$_2$) into (CH$_2$CH$_2$)$_n$.

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More Chemistry topics

Chemical KineticsAldehydes, Ketones and Carboxylic AcidsEquilibriumRedox ReactionsHydrocarbonsChemical Bonding and Molecular StructureSolutionsStructure of Atom