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TLS Online TPP Program

#Question id: 11380

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?

#XL - R Botany
  1. Older communities are more species rich.

  2. Large areas support more species.

  3. Absence of Natural enemies, area with more species richness
  4. Greater productivity permits existence of more species
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TLS Online TPP Program

#Question id: 19645

#XL - P Chemistry

The dihedral angle in the staggered conformation of C2H6 is
TLS Online TPP Program

#Question id: 19646

#XL - P Chemistry

Bond length of (I) ethane, (II) ethene, (III) acetylene and (IV) benzene follows the order:
TLS Online TPP Program

#Question id: 19647

#XL - P Chemistry

Which of the following participate in the sulphonation of benzene?
TLS Online TPP Program

#Question id: 19648

#XL - P Chemistry

Which one of the following is not an isomer of 3-Methylbut-1-yne?
TLS Online TPP Program

#Question id: 19649

#XL - P Chemistry

Which of the following can be used as the halide component of a Friedel craft reaction?
TLS Online TPP Program

#Question id: 19650

#XL - P Chemistry

Which of the compounds show dipole moment?