Q.8 Heterocyclic compounds have atleast one ______ atom.Ans 1. alkyl2. chiral3. homo4. heteroCorrect Ans Provided: 4

Q.38 Trans-1, 2-cyclopentanediol is ______.Ans 1. A meso compound2. An enantiomer3. A diastereomer4. A racemic mixtureCorrect Ans Provided: 2

Q.36 Which of the following statement(s) is/are correct regarding aliphatic heterocyclic compound? I. Aliphatic heterocyclic compounds do not contain double bondsII. The properties of heterocyclic compounds depends on the ring strain.Ans 1. Neither I nor II2. Both I ...

Q.19 Scientific and technological process used for isolation of the metal form its ores is known as ______.Ans 1. gangue2. metallurgy3. leaching4. magnetic separationCorrect Ans Provided: 2

Q.4 Which of the following statement(s) is/are correct for the packing efficiencies of unit cells? I. The pacing efficiency of body centered cubic lattice is approximately 68 percent.II. Hexagonal close packed lattice has lowest efficient.Ans 1. Only I2. ...

Q.23 ______ defined an acid as a species which accepts electron pair and base which donates an electron pair.Ans 1. Faraday2. Arrhenius3. G.N. Lewis4. ThompsonCorrect Ans Provided: 2

Q.28 Electrical conductance through metals is due to movement of ______.Ans 1. alpha-particles2. electrons3. γ-particles4. protonsCorrect Ans Provided: 2

Q.35 Which of the following statement(s) is/are correct regarding conformation? I. Eclipsed is more stable conformer than staggered conformer.II. Anti-form is more stable than gauche form.Ans 1. Only II2. Only I3. Neither I nor II4. Both I and ...

Q.9 For N close packed spheres, which of the following is/are correct pair(s)? I. Number of octahedral voids – 2NII. Number of Tetrahedral voids – NAns 1. Both I and II2. Only II3. Only I4. Neither I nor ...

Q.31 A plot showing the relative intensities of signals at various mass to ratio is known as a ______.Ans 1. Charge spectrum2. ESR3. NMR4. Mass spectrumCorrect Ans Provided: 4