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TLS Online TPP Program

#Question id: 1680

Where are the MHC class II region genes in the mouse located?

#XL - Q Biochemistry

  1. On a different chromosome to the class I region genes

  2. On a different arm, but on the same chromosome as the class I region genes

  3. On chromosome 6

  4. Adjacent to a class I gene

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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 –
TLS Online TPP Program

#Question id: 20248

#XL - P Chemistry

C (s) + O2 (g) →CO2, (g); DH = –94.3 kcal/mol
CO (g) + O2(g) → CO2 (g); DH = – 67.4 kcal/mol
O2(g) → 2O (g); ΔH = 117.4 kcal/mol
CO (g) → C (g) + O(g) ; ΔH = 230.6 kcal/mol
Calculate ΔH for C (s) → C (g) in kcal/mol.