What is the shape of molecules SF6 and IF7 ?

 What is the shape of molecules SF6 and IF7 ?
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Answer :

 SF6 is Octahedral IF7 is pentagonal Bipyramidal   
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Give important conditions for Hybridisation. Give Hybridisation and shape of IF7

Description : Give important conditions for Hybridisation. Give Hybridisation and shape of IF7

Last Answer : Ans Important conditions for hybridisation (i) The orbitals present in the valence shell of the atom will take part in hybridisation. (ii) The orbitals undergoing hybridisation should have almost ... filled orbitals of valence shell take part in hybridisation. sp3 d3 and pentagonal bipyramidal.

The sorting out of molecules according to size and shape may be adapted to protein purification in this technique: (A) Adsorption chromatography (B) Gel filtration chromatography (C) Paper chromatography (D) None of these

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Description : Can you balance this SF4 plus F2 2 SF6?

Last Answer : Feel Free to Answer

What Is Sf6 Circuit Breaker?

Description : What Is Sf6 Circuit Breaker?

Last Answer : SF6 is Sulpher hexa Flouride gas.. if this gas is used as arc quenching medium in a Circuitbreaker me SF6 CB.

What are the characteristic of SF6 gas?

Description : What are the characteristic of SF6 gas?

Last Answer : It has good dielectric strength and excellent arc quenching property. It is inert, non-toxic, noninflammable and heavy. At atmospheric pressure, its dielectric strength is 2.5 times that of air. At three times atmospheric pressure, its dielectric strength is equal to that of the transformer oil.

What is meant by electro negativity of SF6 gas?

Description : What is meant by electro negativity of SF6 gas?

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Why is SF4 more reactive than SF6 ?

Description : Why is SF4 more reactive than SF6 ?

Last Answer : Ans . SF4 has two unpaired electrons which it can donate further to extend its valency , hence it is reactive .’S’ in SF6 has maximum 6 0.S.

What are the properties of SF6 gas?

Description : What are the properties of SF6 gas?  

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What is the significance of SF6 gas pressure in 6.6kV breakers?

Description : What is the significance of SF6 gas pressure in 6.6kV breakers?

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What are the properties of SF6 gas?

Description : What are the properties of SF6 gas?  

Last Answer : Physical properties 1. Colourless 2. Odorless 3. Non-toxic. Pure SF6 gas is not harmful to the health. 4. Non-inflammable. 5. Density- more gas density, 5 times ... advantages offer increased safety, reduction in size, weight, noiseless operation, easy installation, handling and maintenance. 

What are the levels of SF6 gas in 220 kV breaker and their significance?

Description : What are the levels of SF6 gas in 220 kV breaker and their significance?

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What is the purpose of compressed air in SF6 breaker?

Description : What is the purpose of compressed air in SF6 breaker?

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Which of the following circuit breakers has high reliability and minimum maintenance ? (a) Air blast circuit breakers (b) Circuit breaker with SF6 gas (c) Vacuum circuit breakers (d) Oil circuit breakers

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Last Answer : (b) Circuit breaker with SF6 gas

Which of the following medium is employed for extinction of arc in air circuit breaker ? (a) Water (b) Oil (c) Air (d) SF6

Description : Which of the following medium is employed for extinction of arc in air circuit breaker ? (a) Water (b) Oil (c) Air (d) SF6

Last Answer : (c) Air

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Last Answer : d) perfluorocarbon (PFC)

Which of the following is not a greenhouse gas ? a) CFCs b) SO2 c) PFC d) SF6

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For which molecule can the bonding be described in terms of sp3 hybrid orbitals of the central atom? w) CH4 x) SF6 y) BF3 z) PCL5

Description : For which molecule can the bonding be described in terms of sp3 hybrid orbitals of the central atom? w) CH4 x) SF6 y) BF3 z) PCL5

Last Answer : ANSWER: B -- CH4

Describe the construction of SF6 circuit breaker with neat diagram.

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Last Answer : Construction of SF6 Circuit Breaker : A sulphur hexafluoride (SF6) circuit breaker consists of fixed and moving contacts enclosed in a chamber. The chamber is called arc interruption ... contact, moving contact and arcing horn are coated with a copper-tungsten arc-resistant material. 

Name any two applications of following gases: (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air.

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Explain construction and working of SF6 circuit breaker.

Description : Explain construction and working of SF6 circuit breaker.

Last Answer : Construction: A sulphur hexafluoride (SF6) circuit breaker consists of fixed and moving contacts enclosed in a chamber. The chamber is called arc interruption chamber, which contains the ... arc being extinguished. Finally the gas enters the contact space increasing the dielectric strength.

The following is/are the characteristics of SF6 circuit breakers:

Description : The following is/are the characteristics of SF6 circuit breakers:  (A) It does not need an auxiliary breaking chamber (B) Short break time of 2 to 2.5 cycles (C) All of the above (D) None of the above

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SF6 gas is ?

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what is SF6 circuit breaker?

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