Recent content by Vishesh Jain

  1. Vishesh Jain

    Chemistry Optical isomerism in spite of plane of symmetry ....?

    Shown above is an octahedral coordination complex and it's mirror image. The complex has a plane of symmetry (shown in the left diagram, a diagonal plane passing through bottom left and top right corner, perpendicular to the square plane) ... but still it's mirror image is non-superimposable ...
  2. Vishesh Jain

    Stability of tropylium cation vs triphenyl methyl cation

    Homework Statement The textbook "Organic Chemistry by O P Tandon" says that the tropylium cation (cycloheptatri-2,4,6-enyl cation) is more stable than the triphenylmethyl cation ( Ph3C+) (phase/solvent not mentioned). Is this correct assuming it's in a non-polar medium ? On a related note, are...
  3. Vishesh Jain

    Steric inhibition of protonation in o-substituted anilines

    Thank you for your reply sir, and also for your software tip ...
  4. Vishesh Jain

    Steric inhibition of protonation in o-substituted anilines

    Homework Statement According to my textbook (Organic Chemistry by Solomon & Fryhle) "When an o-substituted aniline is protonated (at the N), increase of H-N-H bond angle leads to steric hindrance with the group at the o-position. This makes this protonated conjugate acid unstable and makes the...
  5. Vishesh Jain

    Is 4-(Bromohydroxymethenyl)-1-chlorocyclohexan-1-ol Optically Active?

    in the first image, under "optical isomerism in alkylidenes" , the middle compound in the second row is said as "optically inactive" If the structure is as shown in https://chemistry.stackexchange.com/questions/58630/why-is-1-ethylidene-4-methylcyclohexane-chiral then it should be optically...
  6. Vishesh Jain

    Distance to 3rd and 5th nearest ion to S2- in ZnS structure

    yes i did pythogarus & got it ... thanks ...
  7. Vishesh Jain

    Distance to 3rd and 5th nearest ion to S2- in ZnS structure

    Hey folks ZnS has a ccp structure with S2- ions forming FCC lattice with Zn2+ ions at half the tetrahedral voids Attached is a table showing no. of nearest neighbours and their distance for an S2- ion 'a' is edge length of the unit cell I want to know how the distance to the 3rd & 5th...
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