What is lone pair?

What is lone pair?
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A lone pair is elements in a chemical reaction that are not used in the reaction.
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Shape of molecule having 4- bond pair and one lone pair is :-

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Which of the following species is non polar with presence of polar bond and lone pair of electron on central atom.

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In which type of molecule, the dipole moment may be nonzero (L `to` Lone pair ) :-

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The molecules which contain `sigma` bond , `pi` bond and lone pair `1:1:1` ratio :-

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In which of the following cases lone-pair is involved in resonance :

Description : In which of the following cases lone-pair is involved in resonance :

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a=difference in the oxidation number of Cl in the product X and product Y, respectively b= total number of atom in X and Y c=total number of lone pair

Description : a=difference in the oxidation number of Cl in the product X and product Y, respectively b= total number of atom in X and Y c=total number of lone pair

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(A) Ether behaves as bases in the presence of mineral acids. (R ) Due to the presence of lone pair of electrons on oxygen.

Description : (A) Ether behaves as bases in the presence of mineral acids. (R ) Due to the presence of lone pair of electrons on oxygen.

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(A) Ether behaves as bases in the presence of mineral acids. (R ) Due to the presence of lone pair of electrons on oxygen.

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Total number of lone pair of electrons around oxygens in diethyl peroxide `is//are`

Description : Total number of lone pair of electrons around oxygens in diethyl peroxide `is//are`

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What effect does a lone pair have on molecular shape?

Description : What effect does a lone pair have on molecular shape?

Last Answer : An extra lone pair or two could decrease the amount of bonding angles of the central atom, which'll change the shape of a molecule.

What is lone pair?

Description : What is lone pair?

Last Answer : A lone pair is elements in a chemical reaction that are not used in the reaction.

The lone pair of electrons at one of the ring nitrogens in the given amino acid makes a potential ligand, which is important in binding the iron atoms in hemoglobin: (A) Tryptophan (B) Threonine (C) Histidine (D) Serine

Description : The lone pair of electrons at one of the ring nitrogens in the given amino acid makes a potential ligand, which is important in binding the iron atoms in hemoglobin: (A) Tryptophan (B) Threonine (C) Histidine (D) Serine

Last Answer : Answer : C

The electronic repulsion is maximum between (a) Shared pair - shared pair (b) Shared pair - lone pair (c) Lone pair - lone pair (d) None of these

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Pyridine is less basic than trimethylamine because the lone-pair of electrons on N-atom in pyridine resides in (a) sp2 hybrid orbital (b) sp hybrid orbital (c) sp3 hybrid orbita(d) p-orbitall

Description : Pyridine is less basic than trimethylamine because the lone-pair of electrons on N-atom in pyridine resides in (a) sp2 hybrid orbital (b) sp hybrid orbital (c) sp3 hybrid orbital (d) p-orbital

Last Answer : sp2 hybrid orbita

Pyrrole is less basic than pyridine because the lone-pair of electrons on Natom in pyrrole (a) is part of the delocalized π molecular orbital. (b) is not part of the delocalized π molecular orbital. (c) resides in sp2 hybrid orbital (d) resides in sp hybrid orbital

Description : Pyrrole is less basic than pyridine because the lone-pair of electrons on Natom in pyrrole (a) is part of the delocalized π molecular orbital. (b) is not part of the delocalized π molecular orbital. (c) resides in sp2 hybrid orbital (d) resides in sp hybrid orbital

Last Answer : is part of the delocalized π molecular orbital.

Acetamide is a much weaker base than ammonia. This is because (a) the electron withdrawing effect of the C=O group makes the lone pair of electrons on nitrogen atom less available for protonation. (b) ) the electron withdrawing effect of the C=O group makes the lone pair of electrons on nitrogen atom more available for protonation. (c) the presence of CH3 group sterically hinders the protonation of the NH2 group. (d) an H atom from the nitrogen is less easily lost from CH3CONH2 than from NH3.

Description : Acetamide is a much weaker base than ammonia. This is because (a) the electron withdrawing effect of the C=O group makes the lone pair of electrons on nitrogen atom less available for protonation. (b) ) ... NH2 group. (d) an H atom from the nitrogen is less easily lost from CH3CONH2 than from NH3.

Last Answer : the electron withdrawing effect of the C=O group makes the lone pair of electrons on nitrogen atom less available for protonation

The lone-pair electrons of the methyl anion occupy a __________ orbital. (a) s (b) sp (c) sp2 (d) sp3

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Which of the following statements is correct regarding nucleophiles? (a) They have an overall positive charge(b) They have a lone-pair of electrons(c) They have an unpaired electron(d) They have empty orbitals

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Last Answer : (b) They have a lone-pair of electrons

Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2

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If your house is a lone survivor of a wildfire, are you better off or not?

Description : If your house is a lone survivor of a wildfire, are you better off or not?

Last Answer : As you surely already know, a home is more than just a house . If I manage to save the structure - and its contents - then I'll consider it a win. On the other hand, the risk that the homeowner takes ... an hour or two while the fire burns over and moves on, and until it is safe to come out again.

Are you more akin to being like Batman, The Lone Ranger, and Sherlock Holmes… or do you play the supportive roll of Robin, Tonto and Watson?

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Last Answer : Tonto is a fool—until he says, “What you mean ‘we’, paleface?”

Is there a group of wolves called the lone pine pack?

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Last Answer : Is this a perfect topic for Googling? Just asking.

Do you accept the Lone Gunman theory? Why or why not?

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Last Answer : Evidence promoting more than one gunman is pretty convincing… though it wouldn’t be impossible with just one either. There is a lot to read about though if you really want to investigate. This has been a very frequently discussed topic.

Why is "Lone Star ****" only sold in Texas?

Description : Why is "Lone Star Beer" only sold in Texas?

Last Answer : don’t worry about it, lone star beer sucks

i have brown and white worms about 1/1/2 inch lone they were on my Lemon plant

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Which flying pioneer was nicknamed the lone eagle?

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Last Answer : `NH_4ClO_4 + NHO_3 to (A) + (B) oversetDeltato (C )` (neutral oxide) The summation of number of lone pairs and atomicities of compound B and C is .

The summation of total no. of lone pairs and `sigma` bonds in in species (A,B and C) is

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The number of lone pairs of electrons present in central atom of `CIF_3` is:

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The number of lone pairs on central atom in `XeF_2, XeF_4 and XeF_6` are:

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Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on `Xe` are:

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The summation of total no. of lone pairs and `sigma` bonds in in species (A,B and C) is

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Total number of lone pairs on Xe in `XeF_(2), XeO_(3)F_(2), XeF_(4), XeF_(6)` is t,u,v & w respectively. Then

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Which of the following xenon compound has the same number of lone pairs as in `I_(3)^(-)`? (near central atom)

Description : Which of the following xenon compound has the same number of lone pairs as in `I_(3)^(-)`? (near central atom)

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How many lone pairs are associated with xenon in xenon difluoride ?

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The number of lone pairs of electrons present on Xe in `XeF_(2)` ?

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The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is

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Asseration: `SeCl_(4)`, does not havea tetrahedral structure. Reason: `Se` in `SeCl_(4)` has two lone pairs.

Description : Asseration: `SeCl_(4)`, does not havea tetrahedral structure. Reason: `Se` in `SeCl_(4)` has two lone pairs.

Last Answer : Asseration: `SeCl_(4)`, does not havea tetrahedral structure. Reason: `Se` in `SeCl_(4)` has two lone pairs.

In `OF_2`, the number of bond pairs and lone pairs of electrons are respectively,

Description : In `OF_2`, the number of bond pairs and lone pairs of electrons are respectively,

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The number of lone pairs available on the central atom of sulphur tetra fluoride is

Description : The number of lone pairs available on the central atom of sulphur tetra fluoride is

Last Answer : The number of lone pairs available on the central atom of sulphur tetra fluoride is

How many lone pairs in CCl4?

Description : How many lone pairs in CCl4?

Last Answer : Zero

What is A lone ********* bell is a?

Description : What is A lone Christmas bell is a?

Last Answer : single jingle

Do lone pairs have an effect on bond angles?

Description : Do lone pairs have an effect on bond angles?

Last Answer : Need answer

What is significant about jems decision to make a lone nocturnal return to the radley place what is the significant outcome of the return?

Description : What is significant about jems decision to make a lone nocturnal return to the radley place what is the significant outcome of the return?

Last Answer : Feel Free to Answer

In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?

Description : In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?

Last Answer : What is the answer ?

What shape would a molecule with two bounds groups and two lone pairs have?

Description : What shape would a molecule with two bounds groups and two lone pairs have?

Last Answer : The correct answer is: Bent.

What shape would a molecule with two bounds groups and two lone pairs have?

Description : What shape would a molecule with two bounds groups and two lone pairs have?

Last Answer : The correct answer is: Bent.

Who was the lone Russian who died in the September 11th attacks?

Description : Who was the lone Russian who died in the September 11th attacks?

Last Answer : There wasn't just one Russian. "At least 26 Russian citizenswere among nearly 3,000 people killed when Al-Qaeda terroristshijacked four planes,"rt.com/news/russias-911-victims-remembered/

How many lone pairs of electrons exist on the central atom in ammonia?

Description : How many lone pairs of electrons exist on the central atom in ammonia?

Last Answer : One lone pair. The central atom is N (nitrogen) which has 5valence electrons. Three of them are shared with 3 hydrogen atoms,leaving 2 electrons (1 lone pair) on the N.

When did Texas start the Lone Star program for food stamps?

Description : When did Texas start the Lone Star program for food stamps?

Last Answer : The Lone Star program was founded in 1995 by the State of Texas. The program replaces traditional food stamps with an Electronic Bank Transfer card. The program began back in 1995. Most states go by this type of program these days and no longer use the original paper food stamps any longer.