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TLS Online TPP Program

#Question id: 20088

Which sentence is correct with respect to bond enthalpy ?

#XL - P Chemistry
  1. As bond order is more, then bond dissociation enthalpy is less
  2. As atomic volume is more, then bond energy is more.
  3. As bond enthalpy is more, then stability of molecule or ion is less.
  4. As number of nonbonding election pair on bonded atom then bond enthalpy is less.
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TLS Online TPP Program

#Question id: 19501

#XL - P Chemistry

The electronic configuration of chromium (Z=24) is:
TLS Online TPP Program

#Question id: 19502

#XL - P Chemistry

According to Aufbau principle a new electron enters the orbitals when:
TLS Online TPP Program

#Question id: 19503

#XL - P Chemistry

Which of the following is not permissible
TLS Online TPP Program

#Question id: 19504

#XL - P Chemistry

The vertical columns in the periodic table are termed as ———-.
TLS Online TPP Program

#Question id: 19505

#XL - P Chemistry

The element with atomic number 26 will be found in group :
TLS Online TPP Program

#Question id: 19506

#XL - P Chemistry

The elements with atomic numbers 9, 17, 35, 53, 85 are all ———-