Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 21320
TLS Online TPP Program

#Question id: 20118

Compounds with high heat of formation are less stable because

#XL - P Chemistry
  1. High temperature is required to synthesise them
  2. Molecules of such compounds are distorted
  3. It is difficult to synthesis them
  4. Energy rich state leads to instability
More Questions
TLS Online TPP Program

#Question id: 20046

#XL - P Chemistry

For particles having same KE., the de-broglie wavelength is
TLS Online TPP Program

#Question id: 20047

#XL - P Chemistry

In one joule of energy, the number of photon with wave number equal to is
TLS Online TPP Program

#Question id: 20048

#XL - P Chemistry

Which of the expression given below gives IE of H atoms in terms of Rydberg’s constant (RH)?
TLS Online TPP Program

#Question id: 20049

#XL - P Chemistry

One unpaired electron causes magnetic moment of 1.1 B.M. The magnetic moment of Fe+2 ion is
TLS Online TPP Program

#Question id: 20050

#XL - P Chemistry

If numerical value of mass and velocity are equal then de-Broglie wave length in terms of K.E.
TLS Online TPP Program

#Question id: 20053

#XL - P Chemistry

Atoms complete octet in valence shell electron during the bond formation. This postulate was proposed by which scientist ?