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p-Block Elements (Group 15–18) · Question 24

NEET (UG) 2019MatchingEasy📈 Topic in 12% papers+4−1
1

Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code :

  1. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
  2. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  3. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
  4. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

Answer

(4) (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

Solution

Using VSEPR theory (bond pairs + lone pairs on Xe):

(a) XeF4: 4 bp + 2 lp, sp3d2 square planar (ii)

(b) XeF6: 6 bp + 1 lp, sp3d3 distorted octahedral (iii)

(c) XeOF4: 5 bp + 1 lp, sp3d2 square pyramidal (iv)

(d) XeO3: 3 bp + 1 lp, sp3 pyramidal (i)

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

Answer: (4)

NEET (UG) 2019

Keep practising — p-Block Elements (Group 15–18)

2

Which of the following statements is not true for halogens?

  1. All are oxidizing agents.
  2. All form monobasic oxyacids.
  3. All but fluorine show positive oxidation states.
  4. Chlorine has the highest electron-gain enthalpy.
NEET 2018
3

Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code.

  1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  2. (a)-(v), (b)-(iv), (c)-(iii), (d)-(ii)
  3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
  4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
NEET 2017
4

In which pair of ions both the species contain S-S bond?

  1. S4O62-, S2O32-
  2. S2O72-, S2O82-
  3. S4O62-, S2O72-
  4. S2O72-, S2O32-
NEET 2017
5

Name the gas that can readily decolourise acidified KMnO4 solution.

  1. SO2
  2. NO2
  3. P2O5
  4. CO2
NEET 2017
6

HgCl2 and I2 both when dissolved in water containing I- ions, the pair of species formed is

  1. HgI2, I-
  2. HgI42-, I3-
  3. Hg2I2, I-
  4. HgI2, I3-
NEET 2017
7

Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option

  1. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  2. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
  3. (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
  4. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
NEET 2016 (Phase 1)
8

Which is the correct statement for the given acids?

  1. Phosphinic acid is a monoprotic acid while phosphonic acid is a diprotic acid.
  2. Phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid.
  3. Both are diprotic acids.
  4. Both are triprotic acids.
NEET 2016 (Phase 1)
9

Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?

  1. Br2 > I2 > F2 > Cl2
  2. F2 > Cl2 > Br2 > I2
  3. I2 > Br2 > Cl2 > F2
  4. Cl2 > Br2 > F2 > I2
NEET 2016 (Phase 1)
10

When copper is heated with conc. HNO3 it produces

  1. Cu(NO3)2, NO and NO2
  2. Cu(NO3)2 and N2O
  3. Cu(NO3)2 and NO2
  4. Cu(NO3)2 and NO
NEET 2016 (Phase 1)
11

Among the following the correct order of acidity is

  1. HClO2 < HClO < HClO3 < HClO4
  2. HClO4 < HClO2 < HClO < HClO3
  3. HClO3 < HClO4 < HClO2 < HClO
  4. HClO < HClO2 < HClO3 < HClO4
NEET 2016 (Phase 1)

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