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TLS Online TPP Program

#Question id: 12745

Choose the correct statement about Serotyping.

#XL - S Microbiology
  1. It is a method of identification of genes.
  2. It only access surface markers.
  3. It is definitive.
  4. The precipitation bands obtained are irregular.
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TLS Online TPP Program

#Question id: 20242

#XL - P Chemistry

The correct order of the O – O bond length in O2 , H2O2 and O3is
TLS Online TPP Program

#Question id: 20243

#XL - P Chemistry

The bond order of O -2  is
TLS Online TPP Program

#Question id: 20244

#XL - P Chemistry

Choose the incorrect statement.
TLS Online TPP Program

#Question id: 20245

#XL - P Chemistry

Which of the following is not paramagnetic ?
TLS Online TPP Program

#Question id: 20246

#XL - P Chemistry

Which one of the following compound has sp2 hybridization ?
TLS Online TPP Program

#Question id: 20247

#XL - P Chemistry

C2H6 (g) + 3.5 O2 (g) →2CO2 (g) + 3H2O (g)
ΔSvap (H2O, l) = x1 cal K–1 (boiling point + T1)
ΔHf (H2O, l) = x2
ΔHf (CO2) = x3
ΔHf (C2H6) = x4
Hence ΔH for the reaction is –