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TLS Online TPP Program

#Question id: 20253

AB, A2 and B2 are diatomic molecules. If the bond enthalpies of A2, AB & B2 are in the ratio 1 : 1 : 0.5 and enthalpy of formation of AB from A2 and B2 is – 100 kJ/mol–1. What is the bond enthalpy of A2.

#XL - P Chemistry
  1. 400 kJ/mol
  2. 200 kJ/mol
  3. 100 kJ/mol 
  4. 300 kJ/mol
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TLS Online TPP Program

#Question id: 19587

#XL - P Chemistry

What happens to the atomic size of lanthanides as the atomic number increases?
TLS Online TPP Program

#Question id: 19588

#XL - P Chemistry

Which of the following is not a lanthanide property?
TLS Online TPP Program

#Question id: 19589

#XL - P Chemistry

What is the lanthanide’s final element?
TLS Online TPP Program

#Question id: 19590

#XL - P Chemistry

Baeyer’s reagent is which of the following?
TLS Online TPP Program

#Question id: 19591

#XL - P Chemistry

AgCl fails to pass which of the following tests?
TLS Online TPP Program

#Question id: 19592

#XL - P Chemistry

What is the first element in the periodic table’s fourth transition series?