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P Block Elements

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P Block Elements Class 12th

Consider the following sulphur based oxoacids.

H₂SO₃, H₂SO₄, H₂S₂O₈ and H₂S₂O₇.

Amongst these oxoacids, the number of those with peroxo (O-O) bond is______________.

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alok kumar singh

Contributor-Level 10

Only H₂S₂O₈ has per-oxo bond.

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P Block Elements Class 12th

The sum of number of lone pairs of electrons present on the central atoms of XeO₃, XeOF₄ and XeF₆, is___________.

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Payal Gupta

Contributor-Level 10

XeO₃ ⇒ Number of lone pair = 1

XeOF₄ ⇒ Number of lone pair = 1

XeF₆ ⇒ Number of lone pair = 1

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P Block Elements Class 12th

Consider the following sulphur based oxoacids.

H₂SO₃, H₂SO₄, H₂S₂O₈ and H₂S₂O₇.

Amongst these oxoacids, the number of those with peroxo (O-O) bond is______________.

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Payal Gupta

Contributor-Level 10

Only H₂S₂O₈ has per-oxo bond.

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P Block Elements Class 12th

The number of interhalogens from the following having square pyramidal structure is:

CIF₃, IF₇, BrF₅, BrF₃, I₂Cl₆, IF₅, ClF, ClF₅

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Vishal Baghel

Contributor-Level 10

$C l F_{3}$ -> T-shaped (sp³d)

IF₇ -> Pentagonal bipyramidal (sp³d³)

BrF₅ -> Square pyramidal (sp³d²)

BrF₃ -> T-Shaped (sp³d)

I₂Cl₆ -> Triangular bipyramidal (sp³d)

$I F_{5} \to$ Square Pyramidal (sp³d²)

ClF -> (sp³)

ClF₅ -> Square Pyramidal (sp³d²)

Br₅, IF₅ & ClF₅ -> Square Pyramidal

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P Block Elements Class 12th

Among the given oxides of nitrogen ; N₂O, N₂O₃, N₂O₄ and N₂O₅, the number of compound / (s) having N – N bond is:

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alok kumar singh

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P Block Elements Class 12th

Given below are two statements:

Statement I : In CuSO₄.5H₂O, Cu-O bonds are present

Statement II : In CuSO₄.5H₂O, ligands coordinating with Cu(II) ion are O- and S- based ligands

In the light of the above statements, choose Correct answer from the options given below:

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Vishal Baghel

Contributor-Level 10

From the given structure of CuSO₄. 5H₂O Cu (II) ion and oxygen bonds are present but ligands coordinating with Cu (II) ion are not O and S both.

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3 months ago

P Block Elements Chemistry NCERT Exemplar Solutions Class 12th Chapter Seven

Match the items of Columns I and II and mark the correct option.

Code:

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Payal Gupta

Contributor-Level 10

This is a matching answer type question as classified in NCERT Exemplar

Correct option is (iii)

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P Block Elements Chemistry NCERT Exemplar Solutions Class 12th Chapter Seven

Match the species given in Column I with the shape given in Column II and mark the correct option.

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Payal Gupta

Contributor-Level 10

This is a matching answer type question as classified in NCERT Exemplar

Correct option is (ii)

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3 months ago

P Block Elements Chemistry NCERT Exemplar Solutions Class 12th Chapter Seven

Match the items of Columns I and II and mark the correct option.

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Payal Gupta

Contributor-Level 10

This is a matching answer type question as classified in NCERT Exemplar

Correct option is (i)

CCl₃NO₂ stands for chloropicrin, which is known as tear gas. Cl is the element of the highest electron gain enthalpy. Sulphur is the element belonging to 16th group, also known as chalcogens.

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3 months ago

P Block Elements Chemistry NCERT Exemplar Solutions Class 12th Chapter Seven

Match the formulas of oxides given in Column I with the type of oxide given in Column II and mark the correct option.