MF+XeF4 'A'  (M+=Alkali metal cation)

The state of hybridisation of the central atom in 'A' and shape of the species are:

(a) sp3d, TBP 

(b) sp3d3, pentagonal planar

(c)  sp3d2, distorted octahedral

(d) No compound formed at all

Subtopic:  Group 18 - Preparation, Properties & Uses |
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XeF6 dissolves in anhydrous HF to give a good conducting solution that contains-

1. H+ and \(XeF_{7}^{-}\) ions
2. \(HF_{2}^{-}\) and \(XeF_{5}^{+}\) ions
3. \(HXeF_{6}^{+}\) and F- ions
4. None of the above

Subtopic:  Group 18 - Preparation, Properties & Uses |
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Which of the following statements about helium is false?

1. It has the lowest boiling point 

2. It has the highest first ionization energy

3. It can diffuse through rubber and plastic material

4. It can form clathrate compounds

Subtopic:  Group 18 - Preparation, Properties & Uses |
 62%
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Which of the following is an uncommon hydrolysis product of XeF2 and XeF4?

(a) Xe

(b) XeO3

(c) HF

(d) O2

 

Subtopic:  Group 18 - Preparation, Properties & Uses |
 64%
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SbF5 reacts with XeF4 to form an adduct. The shapes of cation and anion in the adduct are respectively:

(1) square planar, trigonal bipyramidal       

(2) T-shaped, Octahedral

(3) square pyramidal, octahedral                 

(4) square planar, octahedral

Subtopic:  Group 18 - Preparation, Properties & Uses |
 55%
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Incorrect statement regarding following reactions is :

(a) 'X' is explosive

(b) 'Y' is an oxyacid of xenon

(c) Both are example of non-redox reaction

(d) XeF6 can undergo partial hydrolysis

Subtopic:  Group 18 - Preparation, Properties & Uses |
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Which of the following noble gas does not form clathrate compound?

(a) Kr

(b) Ne

(c) Xe

(d) Ar

Subtopic:  Group 18 - Preparation, Properties & Uses |
 70%
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Correct order of bond angle in given species is :

(a) SiO44->PCl3>NCl3>SbH3>H2Te

(b) SiO44->NCl3>PCl3>SbH3>H2Te

(c) SiO44->H2Te>SbH3>PCl3>NCl3

(d) NCl3>PCl3> SiO44->SbH3>H2Te

Subtopic:  Group 16 - Preparation, Properties & Uses |
 59%
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The incorrect order is:

(a) N>P>As : Strength of πbond with oxygen atom

(b) SiF4>SiCl4>SiBr4>Sil4 : Thermal stability

(c) H2S>H2Se>H2Te : Arrhenious acid character

(d) CaBr2>MgBr2>BeBr2 : Melting point

Subtopic:  Group 16 - Preparation, Properties & Uses |
 73%
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Among the following cyclic species are :

(I) H5P3O10           (II) B3O3OH52-            (III) H5P5O15            (IV) P3N3Cl6

(a) I, III

(b) I, III, IV

(c) II, III, IV                                                  

(d) I, II, III, IV

 

Subtopic:  Group 15 - Preparation, Properties & Uses |
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