In the preparation of compounds of Xe, Bartlett has taken `O_(2)^(+)Pt F_(6)^(-)` as a base compound. This is becase

In the preparation of compounds of Xe, Bartlett has taken `O_(2)^(+)Pt F_(6)^(-)` as a base compound. This is becase
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In the preparation of compounds of Xe, Bartlett has taken `O_(2)^(+)Pt F_(6)^(-)` as a base compound ... enthalpy. D. both Xe and `O_(2)` are gases.
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Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`

Description : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`

Last Answer : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`

Which of the following is formed when `O_(2)F_(2)` reacts with Xe ?

Description : Which of the following is formed when `O_(2)F_(2)` reacts with Xe ?

Last Answer : Which of the following is formed when `O_(2)F_(2)` reacts with Xe ? A. `XeF_(2)` B. `XeF_(4)` C. `XeF_(6)` D. None of these

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

Description : 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

Last Answer : 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 A. ... `v +w = 3` C. `u = 0` D. `w = 1`

The reaction of Xe with an excess of `F_(2)` at high pressure and 573 K yields

Description : The reaction of Xe with an excess of `F_(2)` at high pressure and 573 K yields

Last Answer : The reaction of Xe with an excess of `F_(2)` at high pressure and 573 K yields A. `XeF_(2)` B. `XeF_(4)` C. `XeF_(6)` D. `XeF_(3)`

`{:(,"Compounds",,"O.N."),((A),KMn^(**)O_(4),(1),+4),((B),Ni^(**)(CO)_(4),(2),+7),((C),[Pt^(**)(NH_(3))Cl_(2)]Cl_(2),(3),0),((D),Na_(2)O_(2)^(**),(4),

Description : `{:(,"Compounds",,"O.N."),((A),KMn^(**)O_(4),(1),+4),((B),Ni^(**)(CO)_(4),(2),+7),((C),[Pt^(**)(NH_(3))Cl_(2)]Cl_(2),(3),0),((D),Na_(2)O_(2)^(**),(4),

Last Answer : `{:(,"Compounds",,"O.N."),((A),KMn^(**)O_(4),(1),+4),((B),Ni^(**)(CO)_(4),(2),+7),((C),[Pt^(**)(NH_(3) ... ),(2,3,1,4):}` D. `{:(A,B,C,D),(4,1,2,3):}`

Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.

Description : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.

Last Answer : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- ... is False. D. If both Assertion & Reason are False.

Correct statements from the graph I) Above 1073 K,`DeltaG^(0)` for the formation of `F_(2)O_(3)` is less negative than `DeltaG^(0)` for the formation

Description : Correct statements from the graph I) Above 1073 K,`DeltaG^(0)` for the formation of `F_(2)O_(3)` is less negative than `DeltaG^(0)` for the formation

Last Answer : Correct statements from the graph I) Above 1073 K,`DeltaG^(0)` for the formation of `F_(2)O_(3)` is less ... I B. I,II only C. I,II,III only D. All

Hybridisation of oxygen in `O_(2)F_(2)`

Description : Hybridisation of oxygen in `O_(2)F_(2)`

Last Answer : Hybridisation of oxygen in `O_(2)F_(2)` A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d`

In `O_(2)F_(2)` the bond angle in between `|__ul(FOO)` is

Description : In `O_(2)F_(2)` the bond angle in between `|__ul(FOO)` is

Last Answer : In `O_(2)F_(2)` the bond angle in between `|__ul(FOO)` is A. `120^(@)` B. `109^(@)31^(1)` C. `90^(@)` D. `180^(@)`

The first noble gas compound prepared by Bartlett is

Description : The first noble gas compound prepared by Bartlett is

Last Answer : The first noble gas compound prepared by Bartlett is A. `XeF_(2)` B. `KrF_(2)` C. `XePtF_(6)` D. `XeO_(3)`

In 1962, at Argonne National Laboratory, Neil Bartlett first synthesized what type of compound?

Description : In 1962, at Argonne National Laboratory, Neil Bartlett first synthesized what type of compound?

Last Answer : ANSWER: A XENON COMPOUND WAS FORMED or A NOBLE GAS COMPOUND WAS FORMED

Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

Description : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

Last Answer : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery ... = 90^(@)` D. `A = B = 90^(@)`

Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

Description : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

Last Answer : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)` ... `. A. tetrahedral B. pyramidal C. octahedral D. angular

`XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :

Description : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :

Last Answer : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these ... B. Square pyramid C. square planar D. octahedral

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds ... `XeF_(2)` and tetraheddral `XeO_(3)`

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the ... ` C. `XeO_(2)F_(2)` D. Xe

From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. (c) The element with smallest ionic radius. (d) The element with six electrons in the valence shell. (e) The element which is a liquid at room temperature. (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.

Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Description : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Last Answer : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Description : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Last Answer : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

The bond energies of `F_(2),Cl_(2),Br_(2)` and `I_(2)` are 155.4, 243.6, 193.2 and `151.2 Kjmol^(-1)` respectively. The strongest bond is :

Description : The bond energies of `F_(2),Cl_(2),Br_(2)` and `I_(2)` are 155.4, 243.6, 193.2 and `151.2 Kjmol^(-1)` respectively. The strongest bond is :

Last Answer : The bond energies of `F_(2),Cl_(2),Br_(2)` and `I_(2)` are 155.4, 243.6, 193.2 and `151.2 Kjmol^(-1)` ... . F -F B. Cl - Cl C. Br - Br D. I - I

9:6:1 `F_(2)` generation ratio is obtained in case of

Description : 9:6:1 `F_(2)` generation ratio is obtained in case of

Last Answer : 9:6:1 `F_(2)` generation ratio is obtained in case of A. Polymeric genes B. Pleiotropic genes C. Supplementary genes D. Recessive epistasis

My Bartlett pear tree's leaves have black spots on both sides and some are curled, what is to be done?

Description : My Bartlett pear tree's leaves have black spots on both sides and some are curled, what is to be done?

Last Answer : Need Answer

when do you pick bartlett pears?

Description : when do you pick bartlett pears?

Last Answer : Depends on your area.............our in NE PA are not ready..............but some pick them hard & green and let some sit out & totally rippen with unripened ones in cold storage.....then take more out and let them ripen.

When and how do I harvest Sekel and Bartlett pears?

Description : When and how do I harvest Sekel and Bartlett pears?

Last Answer : We live in South Carolina and our pears are ripe now. My brother in law shakes the limbs and the ripe pears fall to the ground. Then we just have to pick them up. Try shaking the limbs and see if ... off. He says that they need to be pruned back after they bear fruit but he didn't say how much.

When is a Bartlett pear ripe?

Description : When is a Bartlett pear ripe?

Last Answer : Usually early in the fall.

1. Trigononmetry, Geometry, Cirrus, Calculus2. Comic book, Atlas, Novel, Brain teasers book3. Otter, Shark, Dolphin, Sea Lion4. Pen, Pencil, Eraser, Chalk5. Golden Delicious, Bartlett, Granny Smith, Jonathon -Riddles

Description : 1. Trigononmetry, Geometry, Cirrus, Calculus2. Comic book, Atlas, Novel, Brain teasers book3. Otter, Shark, Dolphin, Sea Lion4. Pen, Pencil, Eraser, Chalk5. Golden Delicious, Bartlett, Granny Smith, Jonathon -Riddles

Last Answer : 1. Cirrus because the others are all mathematics 2. Atlas because the others are all for leisure/pleasure reading 3. Shark because the others are all marine mammals 4. Chalk because the others are all desk tools 5. Bartlett because the others are types of apples

The prepation of `SO_(3)(g)` by reaction `SO_(2)(g)+(1)/(2)O_(2)(g)hArrSO_(3)(g)` is an exothermic reaction .If the preparation follows the following

Description : The prepation of `SO_(3)(g)` by reaction `SO_(2)(g)+(1)/(2)O_(2)(g)hArrSO_(3)(g)` is an exothermic reaction .If the preparation follows the following

Last Answer : The prepation of `SO_(3)(g)` by reaction `SO_(2)(g)+(1)/(2)O_(2)(g) ... D. Nothing could be predicted about temperature through given informatoion.

Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2)]Cl` are example of ........ Isomerism

Description : Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2)]Cl` are example of ........ Isomerism

Last Answer : Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2) ... isomerism B. linkage isomers C. optical isomerism D. hydrate isomerism

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

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

Last Answer : Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on ... iii) only D. (D) (i),(ii) and (iii)

In `XeO_(3)` and `XeF_(6)` the oxidation state of `Xe` is

Description : In `XeO_(3)` and `XeF_(6)` the oxidation state of `Xe` is

Last Answer : In `XeO_(3)` and `XeF_(6)` the oxidation state of `Xe` is A. `sp^(3)d^(2)` to `sp^(3)d` B. `sp^(3)d^(3)` ... ^(3)d^(2)` D. `sp^(3)d^(3)` to `sp^(3)d`

When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Description : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Last Answer : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces ... ]^(+) [Pt_(2)F_(11)]^(-)`

Oxidation state of Xe in `Ba_(2)[XeO_(6)]` is

Description : Oxidation state of Xe in `Ba_(2)[XeO_(6)]` is

Last Answer : Oxidation state of Xe in `Ba_(2)[XeO_(6)]` is A. 4 B. 6 C. 7 D. 8

The increasing d-character in hybridisation of Xe in `XeF_(2), XeF_(4), XeF_(6)` is

Description : The increasing d-character in hybridisation of Xe in `XeF_(2), XeF_(4), XeF_(6)` is

Last Answer : The increasing d-character in hybridisation of Xe in `XeF_(2), XeF_(4), XeF_(6)` is A. `XeF_(2)lt XeF_(4) ... (2)` D. `XeF_(2)lt XeF_(6)lt XeF_(4)`

For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` (where temperature is in K) curve is obtained as given. Which of the f

Description : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` (where temperature is in K) curve is obtained as given. Which of the f

Last Answer : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` ( ... catalyst at equilibrium D. Removal of `F_(2)(g)` at equilibrium

Assertion :- Bond Dissociation energy is `F_(2) gt Cl_(2)` Reason:- `Cl_(2)` have more electronic repulsion than `F_(2)`.

Description : Assertion :- Bond Dissociation energy is `F_(2) gt Cl_(2)` Reason:- `Cl_(2)` have more electronic repulsion than `F_(2)`.

Last Answer : Assertion :- Bond Dissociation energy is `F_(2) gt Cl_(2)` Reason:- `Cl_(2)` have more ... is False. D. If both Assertion & Reason are false

Formation of `ClF_(3)` from `Cl_(2)and F_(2)` is an exothermic process . The equilibrium system can be represented as `Cl_(2(g))+3F_(2(g))rArr2ClF_(3(

Description : Formation of `ClF_(3)` from `Cl_(2)and F_(2)` is an exothermic process . The equilibrium system can be represented as `Cl_(2(g))+3F_(2(g))rArr2ClF_(3(

Last Answer : Formation of `ClF_(3)` from `Cl_(2)and F_(2)` is an exothermic process . The equilibrium system can ... , increase in pressure , addition of `F_(2)`

With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in the order: `I_(2) lt F_(2) lt Br_(2)

Description : With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in the order: `I_(2) lt F_(2) lt Br_(2)

Last Answer : With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in ... ,III,IV C. II,III,IV D. I,III

The structure of `XeO_(2)F_(2)` is

Description : The structure of `XeO_(2)F_(2)` is

Last Answer : The structure of `XeO_(2)F_(2)` is A. Square pyramidal B. Trigonal pyramidal (see-sea) C. Octahedral D. Tetrahedral

The element which has not yet been reacted with `F_(2)` is

Description : The element which has not yet been reacted with `F_(2)` is

Last Answer : The element which has not yet been reacted with `F_(2)` is A. Ar B. Xe C. Kr D. Rn

In the coordination compound ,`Na_(2)[Pt(CN)_(4)]` the Lewis acids is

Description : In the coordination compound ,`Na_(2)[Pt(CN)_(4)]` the Lewis acids is

Last Answer : In the coordination compound ,`Na_(2)[Pt(CN)_(4)]` the Lewis acids is A. `[Pt(CN)_(4)]^(2-)` B. `Na^(+)` C. `Pt^(2+)` D. `CN^(-)`

Compound (A) `C_(12)H_(20)` discharges the colour of `Br_(2)-H_(2)O` and cold `KMnO_(4)` . On reduction with `H_(2)`/Pt it gives compound (B) `C_(12)H

Description : Compound (A) `C_(12)H_(20)` discharges the colour of `Br_(2)-H_(2)O` and cold `KMnO_(4)` . On reduction with `H_(2)`/Pt it gives compound (B) `C_(12)H

Last Answer : Compound (A) `C_(12)H_(20)` discharges the colour of `Br_(2)-H_(2)O` and cold `KMnO_(4)` . On ... Find structure of A : A. B. C. D. None of these

Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of (A) gives an acid (B),`C_(8)H_(6)O_(4)`. (B

Description : Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of (A) gives an acid (B),`C_(8)H_(6)O_(4)`. (B

Last Answer : Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of ... . Identify the compound (A) A. B. C. D.

A compound with molecular formula `C_(6)H_(10)O_(4)` on acylation with acetic anhydride gives a compound with molecular formula `C_(12)H_(18)O_(8)`. H

Description : A compound with molecular formula `C_(6)H_(10)O_(4)` on acylation with acetic anhydride gives a compound with molecular formula `C_(12)H_(18)O_(8)`. H

Last Answer : A compound with molecular formula `C_(6)H_(10)O_(4)` on acylation with acetic anhydride gives a compound with ... ? A. one B. two C. three D. four

A compound with molecular formula `C_(6)H_(10)O_(4)` on acylation with acetic anhydride gives a compound with molecular formula `C_(12)H_(18)O_(8)`. H

Description : A compound with molecular formula `C_(6)H_(10)O_(4)` on acylation with acetic anhydride gives a compound with molecular formula `C_(12)H_(18)O_(8)`. H

Last Answer : A compound with molecular formula `C_(6)H_(10)O_(4)` on acylation with acetic anhydride gives a compound with ... ? A. one B. two C. three D. four

A compound X with moleuclar formula `C_(3)H_(8)O` can be oxidized to a compoud Y with the molecular formula `C_(3)H_(6)O_(2)`. X is most likely to be

Description : A compound X with moleuclar formula `C_(3)H_(8)O` can be oxidized to a compoud Y with the molecular formula `C_(3)H_(6)O_(2)`. X is most likely to be

Last Answer : A compound X with moleuclar formula `C_(3)H_(8)O` can be oxidized to a compoud Y with the molecular ... Aldehye B. Alcohol C. Ether D. Both 2 and 3

2 ml each of concentrated HCl, HNO3 and a mixture of concentrated hydrochloric acid and Concentrated nitric acid in the ratio of 3:1were taken in test tubes labelled as A, B and C, A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal dissolved in test tube C. The metal could be: A) Al B) Au C) Pt D) Cu

Description : 2 ml each of concentrated HCl, HNO3 and a mixture of concentrated hydrochloric acid and Concentrated nitric acid in the ratio of 3:1were taken in test tubes labelled as A, B and C, A small piece of metal was put in ... the metal dissolved in test tube C. The metal could be: A) Al B) Au C) Pt D) Cu

Last Answer : B) Au

Mention the precautions to be taken while connecting CT and PT in the circuit.

Description : Mention the precautions to be taken while connecting CT and PT in the circuit. 

Last Answer : Precautions to be taken while using instrument transformers: 1. Secondary of CT is never kept open circuited when it is energized. 2. Secondary of PT is never kept short circuited when it ... of the instrument transformers unless they are properly grounded. 8. Never connect to DC circuits.

Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds

Description : Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds

Last Answer : Strecker's synthesis

. Bromine is used in the preparation of(A) Fire extinguishing compounds (B) Fire proofing agents (C) Dyes and antiknock compounds (D) All (A), (B) and (C)

Description : . Bromine is used in the preparation. of (A) Fire extinguishing compounds (B) Fire proofing agents (C) Dyes and antiknock compounds (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)