Which of the following statements are no...

Which of the following statements are not correct ?

`NaCl (s)` being an ionic compound , is a good
conductor of electricity

In cononical structures there is a difference in
the arrangement of atoms

Hybrid orbitals form stronger bonds the p-orbitals.

VSEPR theory connot explain the equare
planar geometry of `XeF_(4)`

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The correct Answer is:

A, B, D

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Which of the following statements is not correct ?

The product of pressure and volume of a fixed amount of a gas is independent of temperature

The gas equation is not valid at high pressure and low temperature

The gas constant per molecule is known as Boltzmann constant

Molecules of different gases have the same kinetic energy at a given temperature

photographic plates are sensitive to infrared rays

photographic plates are sensitive to ultraviolet rays

Infra-red-rays are invisible but can cast shadows like visible light

infrared photons have more energy then phtotons of visible light

`La(OH)_(3)` is less basic then `Li(OH)_(3)`

In lanthaniode series, ionic radius of `Ln^(3+)` ion decreases.

La is actually an element of transition series rather than langthaniodes.

Atomic radius of Zn and Hf are same because of lanthaniode contraction.