1. Proton magnetic resonance in coumarins

   • S. S. Dharmatti
   • G. Govil
   • Y. P. Virmani

   OriginalPaper Pages: 71 - 85

2. NMR spectra of five spin systems-I

   • S. S. Dharmatti
   • G. Govil
   • Y. P. Virmani

   OriginalPaper Pages: 86 - 95

3. Hydrogen bonding in amides

   • K. Venkata Ramiah
   • P. G. Puranik

   OriginalPaper Pages: 96 - 102

4. Synthesis ofp-benzohydroquinone-1, 3, 5-C ₃ ¹³

   • M. R. Das
   • M. P. Khakhar
   • M. V. Krishnamurthy

   OriginalPaper Pages: 103 - 107

5. Variation of the diffusion coefficient of ferric ion (·002 M in 1-N sulphuric acid) with temperature and calculation therefrom of the energy and entropy of activation

   • H. P. Agarwal

   OriginalPaper Pages: 108 - 114