The correct order of decreasing stability of hexafluorides of group 16 members is:

1 Answer

Answer :

The correct order of decreasing stability of hexafluorides of group 16 members is: A. `TeF_(6) gt SeF_(6) gt SF_ ... D. `TeF_(6) gt SF_(6) gt SeF_(6)`

Related questions

Description : Functions of territoriality are: a) spacing members of a species. b) decreasing competition among members of a species. c) increasing social stability of a species. d) all of the above

Last Answer : ANSWER: D -- ALL OF THE ABOVE

Description : Consider the following carbanions : Correct decreasing order of stability is :

Last Answer : Consider the following carbanions : Correct decreasing order of stability is : A. `II gt III gt IV gt I` B. ` ... gt III` D. `I gt II gt III gt IV`

Description : Consider the following carbanions: Correct decreasing order of stability is :

Last Answer : Consider the following carbanions: Correct decreasing order of stability is : A. II gt III gt I gt IV B. III ... II gt III D. I gt II gt III gt IV

Description : Consider the following carbanions: Correct decreasing order of stability is :

Last Answer : Consider the following carbanions: Correct decreasing order of stability is : A. II gt III gt I gt IV B. III ... II gt III D. I gt II gt III gt IV

Description : What is the correct order of decreasing stability of the following cations ? `overset(oplus)underset(CH_(3)-CH-CH_(3)` II `overset(oplus)underset(CH_(

Last Answer : What is the correct order of decreasing stability of the following cations ? `overset(oplus)underset(CH_(3)-CH-CH_( ... gt I gt III D. II gt III gt I

Description : Which one is the correct order of decreasing stability of car banions?

Last Answer : Which one is the correct order of decreasing stability of car banions? A. `PgtSgtTgtC_(6)H_(5)CH_(2)` B. ` ... CH_(2)` D. `C_(6)H_(5)CH_(2)gtTgtSgtP`

Description : Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.

Last Answer : Ans. -(a) it is due to decrease in bond dissociation energy which is due to increase in atomic size C-C > Si-Si >Ge-Ge>Sn-Sn>Pb-Pb. (b)- It is due to inert pair effect. (c)- Molten AlBr3 is poor conductor of electricity because it is covalent compound.

Description : Arrange the following in decreasing order of their stability :- `(I) CH_(3)-overset(oplus)(CH_(2)) " "(II) CH_(3)-underset(CH_(3))underset(|)overset(o

Last Answer : Arrange the following in decreasing order of their stability :- `(I) CH_(3)-overset(oplus)(CH_(2)) " "(II) CH_( ... II gt I` D. `III gt II gt I gt IV`

Description : Arrange the following free radicals in order of decreasing stability: Methyl(I), Vinly(II), Allyl(III), Benzyl(IV)

Last Answer : Arrange the following free radicals in order of decreasing stability: Methyl(I), Vinly(II), Allyl(III), Benzyl(IV) ... gt III D. IV gt III gt I gt II

Description : Arrange the carbanions, `(CH_(3))_(3)bar(C),bar(C)Cl_(3),(CH_(3))_(2)bar(C)H,C_(6)H_(5)bar(C)H_(2)`, in order of their decreasing stability

Last Answer : Arrange the carbanions, `(CH_(3))_(3)bar(C),bar(C)Cl_(3),(CH_(3))_(2)bar(C)H,C_(6)H_(5)bar(C)H_(2 ... (2)bar(C)HgtC_(6)H_(5)bar(C)H_(2)gtbar(C)Cl_(3)`

Description : The stability of the halides of group 16 elements decreases in the order

Last Answer : The stability of the halides of group 16 elements decreases in the order A. `F gt Cl gt Br gt I` B. `Cl gt Br ... gt Cl gt F` D. `Br gt Cl gt F gt I`

Description : The correct order of decreasing acidic strength of oxy acids of group 15 elements :

Last Answer : The correct order of decreasing acidic strength of oxy acids of group 15 elements : A. `HNO_(3) gt H_(3)SbO_(4) ... gt H_(3) PO_(4) gt H_(3) SbO_(4)`

Description : The correct order of decreasing acidic strength of oxy acids of group 15 elements :

Last Answer : The correct order of decreasing acidic strength of oxy acids of group 15 elements : A. `HNO_(3) gt H_(3)SbO_(4) ... gt H_(3) PO_(4) gt H_(3) SbO_(4)`

Description : Arrange the following carbanions in decreasing orde of stability: `HC-=bar(C)(I)," "H_(3)C-C-=bar(C)(II),` `H_(2)C=bar(C)H(III)," "H_(3)C-bar(C)H_(2)(

Last Answer : Arrange the following carbanions in decreasing orde of stability: `HC-=bar(C)(I)," "H_(3 ... `IIgtIgtIIIgtIV` C. `IVgtIIIgtIIgtI` D. `IgtIIgtIIIgtIV`

Description : In the illustrated amplifier, the RESET potentiometer A1R2 sets the stability of the control loop by changing the reset time constant. As the potentiometer is turned clockwise _________. EL-0060 A. ... is increased to the summing point at terminal 5 D. response time is increased decreasing stability

Last Answer : Answer: B

Description : Arrange the first group elements in the decreasing order of Hydration Enthalpy 

Last Answer : The hydration enthalpies of alkali metal ions decrease with increase in ionic sizes. Li+ > Na+ > K+ > Rb+ > Cs+

Description : What are the two main functions of the WTO? A. The promotion of free trade and economic liberalism B. The administration of the WTO agreements and the resolution of international trade ... of the WTO's institutional framework and the promotion of economic co-operation amongst its members

Last Answer : D. The administration of the WTO’s institutional framework and the promotion of economic co-operation amongst its members

Description : Arrange the following in correct order of their stability ? `(I) CH-=overset(Theta)C " "(II) CH_(2)=overset(Theta)CH " "(III) CH_(3)-overset(Theta)CH_

Last Answer : Arrange the following in correct order of their stability ? `(I) CH-=overset(Theta)C " "(II) CH_(2)=overset( ... gt III gt I` D. `II gt I gt III`

Description : The correct order of the thermal stability of hydrogen halides `(H-X)` is

Last Answer : The correct order of the thermal stability of hydrogen halides `(H-X)` is A. (1) HI gt HBrgt HCI gt HF B. ... HBr lt HI D. (4)Hl gt HCI lt HF lt HBr

Description : The correct stability order for the following speceis is :

Last Answer : The correct stability order for the following speceis is : A. II gt IV gt I gt III B. I gt II gt III gt ... I gt IV gt III D. I gt III gt II gt IV

Description : The correct expected order of decreasing lattice energy is :-

Last Answer : The correct expected order of decreasing lattice energy is :- A. `CaO gt MgBr_(2) gt CsI` B. `MgBr_(2) gt ... 2) gt CaO` D. `CsI gt CaO gt MgBr_(2)`

Description : Which of the following represents the correct order of decreasing inductive effect:

Last Answer : Which of the following represents the correct order of decreasing inductive effect: A. `-overset(oplus)(NH_( ... `-NO_(2)gt-Brgt-overset(oplus)NH_(3)`

Description : The following acids have been arranged in order of decreasing acid strength. Identify the correct order. ClOH (I) , BrOH (II) , IOH(III)

Last Answer : The following acids have been arranged in order of decreasing acid strength. Identify the correct order. ClOH (I) , ... gt l D. (D) l gt lll gt ll

Description : Which of the following is the correct order of decreasing `S_(N^(2))` reactivity ?

Last Answer : Which of the following is the correct order of decreasing `S_(N^(2))` reactivity ? A. `R_(2)CHXgtR_(3) ... 3)CXgtR_(2)CHXgtRCH_(2)X("X is a halogen")`

Description : Give the correct order of decreasing acidity of the following compounds

Last Answer : Give the correct order of decreasing acidity of the following compounds

Description : The correct order of decreasing basicity of the following species is: `H_(2)O, OH^(-), CH_(3)OH, CH_(3)O`

Last Answer : The correct order of decreasing basicity of the following species is: `H_(2)O, OH^(-), CH_(3)OH, CH_(3)O` A. ... CH_(3)O^(-) gt CH_(3)OH gt H_(2)O`

Description : Select the correct sequence in the decreasing order of contribution to the forest cover on India: [CPO AC 2003] (a) Dense forest - Open forest - Mangrove forest (b) Open forest - Dense forest - ... (c) Dense forest - Mangrove forest - Open forest (d) Open forest - Mangrove forest - Dense forest

Last Answer : Ans: (b)

Description : In the decreasing order of the length of the rivers, the correct sequence is : [CPO AC 2003] (a) Brahmaputra - Ganga - Godavari - Narmada (b) Ganga - Godavari - Brahmaputra - Narmada (c) Brahmaputra - Narmada - Godavari - Ganga (d) Ganga - Brahmaputra - Godavari – Narmada

Last Answer : Ans: (a)

Description : Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity? (1) Oceans, mangroves, lakes, grassland (2) Mangroves, oceans, grassland, lakes (3) Oceans, lakes, grassland, mangroves (4) Mangroves, grasslands, lakes, oceans

Last Answer : (4) Mangroves, grasslands, lakes, oceans Explanation: Productivity is the rate of organic matter or biomass production. The average ocean productivity is about 50 grams carbon per square meter per ... of ecosystem in the order decreasing productivity is: Mangroves > Grasslands > Lakes > Oceans.

Description : Which of the following is the correct ranking in decreasing order of relative Boiling Point of carbonyl containing compounds? (a) primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone ... chloride ~ amide (d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone

Last Answer : primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone

Description : Which is the correct order of decreasing acidity in the following compounds? A. H2O B. CH3CH3 C. NH3 D. CH2=CH2 E. HC≡CH (a) A > E > C > D > B (b) A > E > D > B > C (c) E > A > C > B > D (d) A > C > E > D > B

Last Answer : A > E > C > D > B

Description : The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is: (1) A > C > B > D (2) B > A > D > C (3) B > D > C > A (4) A > B > C > D

Last Answer : B > A

Description : Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity? (1) Oceans, mangroves, lakes, grassland (2) Mangroves, oceans, grassland, lakes (3) Oceans, lakes, grassland, mangroves (4) Mangroves, grasslands, lakes, oceans

Last Answer : Mangroves, grasslands, lakes, oceans

Description : The correct order of electromagnetic spectrum with decreasing frequency is: (1) Microwaves, Radiowaves, Infrared rays, Ultraviolet rays, X-rays (2) Radiowaves, Infrared rays, Ultraviolet rays, ... Radiowaves, Ultraviolet rays (4) X-rays, Ultraviolet rays, Infrared rays, Microwaves, Radiowaves 

Last Answer : The correct order of electromagnetic spectrum with decreasing frequency is: (1) Microwaves, Radiowaves, Infrared rays, Ultraviolet rays, X-rays (2) Radiowaves, Infrared rays, Ultraviolet rays, ... Radiowaves, Ultraviolet rays (4) X-rays, Ultraviolet rays, Infrared rays, Microwaves, Radiowaves 

Description :  The average height of a batch is 344 cm. 16more students with an average height of 320 cm joined the batch therefore decreasing the average height of the batch by 12 cm. Find the total strength of the batch? A) 12 B) 11 C) 14 D) 16 

Last Answer : Answer: D) let the initial strength of the batch be X total height of the batch initially = 344X total height of 16 new students = 320 * 16 = 5120 cm Then, the average height of X+ 16students = 332  332 = [5120 + 344 X]/ [X + 16]  X= 16 students

Description : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : The heats of dissociation of M - H bond of hy

Last Answer : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : ... is false D. (A) is false but (R) is true

Description : The greater acidity of carboxylic acids compared to alcohols arises primarily from : (a) the electron-donating effect of the hydroxyl group (b) the electron-withdrawing effect of the carboxyl ... of α-hydrogens of carboxylic acids (d) the resonance stability associated with the carboxylate ion

Last Answer : the resonance stability associated with the carboxylate ion

Description : What is the reason for the increasing stability of peroxide & superoxide of alkali metals down the group? 

Last Answer : On combustion in excess of air, lithium forms mainly the oxide, Li2O (plus some peroxide Li2O2), sodium forms the peroxide, Na2O2 (and some superoxide NaO2) whilst potassium, rubidium and ... are also paramagnetic. Sodium peroxide is widely used as an oxidising agent in inorganic chemistry.  

Description : Soaps remove dirt by (A) Increasing the surface tension (B) Decreasing wettability (C) Supplying hydrophilic group (D) None of these

Last Answer : (D) None of these

Description : Which of the following order is incorrect for thermal stability :-

Last Answer : Which of the following order is incorrect for thermal stability :- A. `BeO gt MgO gt CaO` B. `NH_(3) lt H_(2) ... (4) lt Rb_(2)SO_(4) lt Cs_(2)SO_(4)`

Description : Arrange the following free radicals in increasing order of stability:

Last Answer : Arrange the following free radicals in increasing order of stability:

Description : The order of stability of halides of sulphur with different halogens is

Last Answer : The order of stability of halides of sulphur with different halogens is A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` ... `F^(-) gt Cl^(-) gt I^(-) Br^(-)`

Description : Arrange the following free radicals in increasing order of stability:

Last Answer : Arrange the following free radicals in increasing order of stability:

Description : The order of stability of halides of sulphur with different halogens is

Last Answer : The order of stability of halides of sulphur with different halogens is A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` ... `F^(-) gt Cl^(-) gt I^(-) Br^(-)`

Description : The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset("II")(CH_(3)-CH_(2)-overset(o+)CH_(2))

Last Answer : The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset ... . II gt III gt I D. I gt II gt III

Description : Arrange the following resonating structures in order of increasing stability `underset((I))(CH_(2)=overset(+)(N)=overset(-)(N))" "underset((II))(H_(2)

Last Answer : Arrange the following resonating structures in order of increasing stability `underset((I))(CH_(2)=overset(+)(N)= ... gt IV D. III gt I gt IV gt II

Description : The increasing order of stability of the following free radicals is :

Last Answer : The increasing order of stability of the following free radicals is : A. `(CH_(3))_(2)overset(.)CHlt(CH_(3)) ... (.)Clt(C_(6)H_(5))_(2)overset(.)CH`

Description : The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_(2)overset(+)CH"(II), "(CH_(3))_(3)C^(+)"(III) "overset(+)CH_(3)"(

Last Answer : The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_( ... B. `IgtIIgtIIIgtIV` C. `IIIgtIVgtIgtII` D. `IIIgtIIgtIgtIV`

Description : Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_(3))_(3)Coverset(+)CH_(2))", "underset("(II)")((CH_(3))_

Last Answer : Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_ ... ` C. `IltIIIltIVltII` D. `IIltIVltIII ltI`

Description : A person climbing a hill bends forward in order to (a) avoid slipping (b) increase speed (c) reduce fatigue (d) increase stability

Last Answer : Ans:(d)