Which of the following statements is tru...

Which of the following statements is true about hybridisation ?

The hybridised orbitals have different energies for each orbital.

The number of hydrid orbitals is equal to the number of atomic orbitals that are hybridised.

Hybrid orbitals form multiple bonds.

The orbitals with different energies undergo hybridisation.

Text Solution

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The correct Answer is:

The number of orbitals which hybridise remains same after the hybridisation also e.g.,

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Which of the following statements is true about srteries ?

Arteries possess thick elastic wall without valves inside, blood flows under high pressure and carry blook away from the heart to different parts of the body

Thin walls of arteries have valves inside, blood flows with low pressure and carry it away from the heart to different organs .

They posses thick elastic walls, blood flows under low pressure and carry blood from the heart to various parts of the body.

They to various thick elastic walls, blood flows under high pressure and collect blood from different organs and bring it back to the heart.

Which of the following statements is true about faience?

Bangles, earrings and tiny vessels were made from falence

The colours of the glasses were generally red

Falence Is a natural product

The technology of faience was not practical by Harappans

Which of the following statements is true about Charles Darwin?

He believed that evolution was due to the inheritance of acquired characteristics.

He supported Lamarck's explanation of how evolution occurred.

He understood that the variation that exists in natural populations of plants or animals is the result of repeated mutations.

none of the above