257 + Interview Questions in 16TH-GROUP-ELEMENTS IN GENERAL AWARENESS Page 3 InterviewSolution

101.	When molten sulphur is quenched, the following is formed.A. Monoclinic sulphurB. Rhombic sulphurC. Crystex(plastic)D. `gamma`-sulphur
Answer» Correct Answer - C

Discussion

102.	If air contains `gt` 100 ppm of `O_(3)` , it causesA. headache and nauscaB. hyper tensionC. AnoxiaD. Hyper thyrodisim
Answer» Correct Answer - A

Discussion

103.	Industrially `O_(2)` is obtained byA. Fractional distillation of airB. `KClO_(3)overset(Delta)rarr`C. `Ag_(2)O overset(Delta)rarr`D. Electrolysis of water
Answer» Correct Answer - A

Discussion

104.	`BeO,Al_(2)O_(3),SnO_(2),SiO_(2),Sb_(2)O_(3),PbO` are __ oxidesA. Amphoteric oxidesB. BasicC. AcidicD. Neutral
Answer» Correct Answer - A

Discussion

105.	`O_(2)^(2-)` is the symbol of ……….ionA. OxideB. Super oxideC. PeroxideD. Monoxide
Answer» Correct Answer - C

Discussion

106.	What volume of `O_(2)` is soluble in `100cm^(3)` of water at 293 K.A. `3.08c c`B. `30.8cm^(3)`C. `1.02cm^(3)`D. `4.2cm^(3)`
Answer» Correct Answer - A

Discussion

107.	In the tailing of mercury ozone oxidises X to Y.X and Y are respectivelyA. Hg,Hg(I)OB. Hg,Hg(II)OC. Hg(I)O,Hg(II)OD. Hg(II)O,Hg(I)O
Answer» Correct Answer - A

Discussion

108.	Bond angle in `SO_(2)` in nearlyA. `119.5^(@)`B. `90^(@)`C. `180^(@)`D. `109^(@)28^(\|)`
Answer» Correct Answer - A

Discussion

109.	Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states)A. `SO_(2)`B. `SO_(3)`C. `SO_(3)^(2-)`D. `CO_(3)^(2-)`
Answer» Correct Answer - B

Discussion

110.	The most acidic and most thermally stable set of chalcogen hydrides are respectively:A. `H_(2)O,H_(2)s`B. `H_(2)Te,H_(2)O`C. `H_(2)O,H_(2)Te`D. `H_(2)S,H_(2)Te`
Answer» Correct Answer - B

Discussion

111.	Ozone is notA. ParamagneticB. A bleaching agentC. An oxidising agentD. A reducing agent
Answer» Correct Answer - A

Discussion

112.	Which sterilises water ?A. `CO_(2)`B. `O_(3)`C. `N_(2)`D. `SO_(3)`
Answer» Correct Answer - B

Discussion

113.	Which metals directly do not react with `O_(2)`A. AuB. PtC. Both 1 & 2D. He, Ne
Answer» Correct Answer - C

Discussion

114.	Which of the following contains `p pi-dpi` bondsA. `NO_(2)`B. `SO_(3)`C. `SO_(2)`D. Both 2 and 3
Answer» Correct Answer - D

Discussion

115.	In a compound of sulphur, the sulphur atom is in second excited state. The possible hybridisation of sulphur isA. `sp^(2)`B. `sp^(3)`C. `sp^(3)d^(2)`D. `sp^(2)`(or)`sp^(3)` (or) `sp^(3)d^(2)`
Answer» Correct Answer - D

Discussion

116.	Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is due to the formation of mercurous oxideA. Statement-I and Statement-II are correct and Statement-II is correct explanation of Statement-IB. Statement-I and Statement-II are correct and Statement-II is not correct explanation of Statement-IC. Statement-I is correct and Statement-II is not correctD. Statement-I is not correct and Statement-II is correct
Answer» Correct Answer - A

Discussion

117.	Among the following, the weakest conjugate base isA. `OH^(-)`B. `SH^(-)`C. `SeH^(-)`D. `TeH^(-)`
Answer» Correct Answer - D

Discussion

118.	`SF_(6)` is exceptionally stable due toA. S - F Bond is strongB. Steric reasonsC. Un Symmetrical geometryD. Exothermic compound
Answer» Correct Answer - B

Discussion

119.	Regarding ozone the wrong statement isA. The bond angle is `116^(@)49^(1)`B. `O_(3)` acts as both oxidant and reductantC. `"O-O"` bond lengths are equalD. It is paramagnetic
Answer» Correct Answer - D

Discussion

120.	Number of planar atoms in `SF_(6)` isA. 7B. 6C. 5D. 4
Answer» Correct Answer - C

Discussion

121.	Hybridisation of oxygen in `O_(2)F_(2)`A. spB. `sp^(2)`C. `sp^(3)`D. `sp^(3)d`
Answer» Correct Answer - C

Discussion

122.	Magnetic nature of `S_(2)` is similar to that ofA. `S_(8)`B. `S_(6)`C. `O_(2)`D. `O_(3)`
Answer» Correct Answer - C

Discussion

123.	One of the following has O-O BondA. `H_(2)S_(2)O_(6)`B. `H_(2)S_(2)O_(7)`C. `H_(2)S_(2)O_(5)`D. `H_(2)S_(2)O_(8)`
Answer» Correct Answer - D

Discussion

124.	There is no `S-S` bond inA. `S_(2)O_(4)^(2-)`B. `S_(2)O_(5)^(2-)`C. `S_(2)O_(3)^(-2)`D. `S_(2)O_(7)^(-2)`
Answer» Correct Answer - D

Discussion

125.	Which is correct about `O_(3)`A. Molecule is angularB. Bond angle is `116.5^(@)`C. It is isoatomic with `SO_(2)`D. All
Answer» Correct Answer - D

Discussion

126.	Reaction of `SO_(2)` with water and alkali is similar to that ofA. `CO_(2)`B. `SO_(3)`C. COD. `NO_(2)`
Answer» Correct Answer - A

Discussion

127.	Which is wrong about `O_(3)`A. It is paramagnetic in natureB. It has a linear structureC. It decolourizes acidic `KMnO_(4)`D. All
Answer» Correct Answer - D

Discussion

128.	Oxygen exhibits its `+ve` oxidation states in itsA. FluoridesB. ChloridesC. NitridesD. Sulphides
Answer» Correct Answer - A

Discussion

129.	Which of the following elements behaves as a typical non metalA. SB. SeC. TeD. Po
Answer» Correct Answer - A

Discussion

130.	The stability of the halides of group 16 elements decreases in the orderA. `F gt Cl gt Br gt I`B. `Cl gt Br gt I gt F`C. `I gt Br gt Cl gt F`D. `Br gt Cl gt F gt I`
Answer» Correct Answer - A

Discussion

131.	Sulphuric acid can not be usedA. As a pickling agentB. In lead storage batteriesC. In white paintsD. In manufacuture of dyes
Answer» Correct Answer - C

Discussion

132.	In which of the following the bond angle is maximumA. `H_(2)O`B. `H_(2)S`C. `SO_(2)`D. `SO_(3)`
Answer» Correct Answer - D

Discussion

133.	Valence configuration of VI group elements isA. `ns^(2)np^(2)`B. `ns^(2)np^(4)`C. `ns^(2)np^(5)`D. `ns^(2)np^(6)`
Answer» Correct Answer - B

Discussion

134.	Conc. `H_(2)SO_(4)` is notA. HygroscopicB. Dehydrating agentC. Sulphonating agentD. efflorescent
Answer» Correct Answer - D

Discussion

135.	`H_(2)S` is aA. Weak dibasic acidB. Weak monobasic acidC. Strong dibasic acidD. Strong monobasic
Answer» Correct Answer - A

Discussion

136.	Anomalous behaviour of oxygen is due toA. Its high electronegativityB. Its small atomic sizeC. Non availability of d-orbitalsD. All
Answer» Correct Answer - D

Discussion

137.	Which of the following is a highly basic oxideA. `SO_(2)`B. `SO_(3)`C. `TeO_(2)`D. `TeO_(3)`
Answer» Correct Answer - C

Discussion

138.	In which one of the following compounds does sulphur have the least oxidation numberA. `SO_(2)`B. `H_(2)SO_(4)`C. `Na_(2)S_(2)O_(3)`D. `Na_(2)S_(4)O_(6)`
Answer» Correct Answer - C

Discussion

139.	Incorrect matchA. Aquafortis - `HNO_(3)`B. Chambersacid - `H_(2)SO_(4)`C. King of chemical - HClD. Oil of vitriol - `H_(2)SO_(4)`
Answer» Correct Answer - C

Discussion

140.	Elements O,S,Se and Te are commonly known asA. HalogensB. Rare earth elementsC. ChalcogensD. Pnicogens
Answer» Correct Answer - C

Discussion

141.	The temp. at which rhombic sulphur and monoclinic sulphur exist in equilibrium isA. `98^(@)C`B. `95.5^(@)C`C. `240^(@)C`D. `120^(@)C`
Answer» Correct Answer - B

Discussion

142.	Which of the following is most volatile?A. `H_(2)O`B. `H_(2)Se`C. `H_(2)S`D. `H_(2)Te`
Answer» Correct Answer - B

Discussion

143.	The element with highest boiling point in the following isA. OxygenB. SulphurC. TelluriumD. Polonium
Answer» Correct Answer - C

Discussion

144.	Which of the following has lowest boiling pointA. `H_(2)O`B. `H_(2)Se`C. `H_(2)S`D. `H_(2)Te`
Answer» Correct Answer - B

Discussion

145.	Which of the following is a correct set ?A. `H_(2)O,SP^(3),"angular"`B. `H_(2)O,SP^(2),"linear"`C. `NH_(4)^(+),dSP^(2), "square planar"`D. `CH_(4),dSP^(2),"tetrahedral"`
Answer» Correct Answer - A

Discussion

146.	Which one of the following is wrong?A. Oxygen and sulphur belong to the same group of periodic tableB. Oxygen is a gas while sulphur is solidC. Both show `+2,+4` and `+6` oxidation statesD. `H_(2)S` has no hydrozen bonding.
Answer» Correct Answer - C

Discussion

147.	The maximum bond angle in hydrides of group 16 elements is inA. `H_(2)O`B. `H_(2)Se`C. `H_(2)S`D. `H_(2)Te`
Answer» Correct Answer - D

Discussion

148.	Which of the following is more acidic in its aqueous solutionA. `H_(2)O`B. `H_(2)Se`C. `H_(2)Se`D. `H_(2)Te`
Answer» Correct Answer - D

Discussion

149.	A gas which bleaches substances by reduction process isA. `CaOCl_(2(aq))`B. `H_(2)O_(2(aq))`C. `O_(3)`D. `SO_(2(aq))`
Answer» Correct Answer - D

Discussion

150.	`SO_(2)` reduces acidified `K_(2)Cr_(2)O_(7)` toA. `Cr_(2)(SO_(2))_(3)`B. `CrO_(3)`C. `Cr_(2)O_(3)`D. chromium
Answer» Correct Answer - A

Discussion

Explore topic-wise InterviewSolutions in .

When molten sulphur is quenched, the following is formed.A. Monoclinic sulphurB. Rhombic sulphurC. Crystex(plastic)D. `gamma`-sulphur

If air contains `gt` 100 ppm of `O_(3)` , it causesA. headache and nauscaB. hyper tensionC. AnoxiaD. Hyper thyrodisim

Industrially `O_(2)` is obtained byA. Fractional distillation of airB. `KClO_(3)overset(Delta)rarr`C. `Ag_(2)O overset(Delta)rarr`D. Electrolysis of water

`BeO,Al_(2)O_(3),SnO_(2),SiO_(2),Sb_(2)O_(3),PbO` are __ oxidesA. Amphoteric oxidesB. BasicC. AcidicD. Neutral

`O_(2)^(2-)` is the symbol of ……….ionA. OxideB. Super oxideC. PeroxideD. Monoxide

What volume of `O_(2)` is soluble in `100cm^(3)` of water at 293 K.A. `3.08c c`B. `30.8cm^(3)`C. `1.02cm^(3)`D. `4.2cm^(3)`

In the tailing of mercury ozone oxidises X to Y.X and Y are respectivelyA. Hg,Hg(I)OB. Hg,Hg(II)OC. Hg(I)O,Hg(II)OD. Hg(II)O,Hg(I)O

Bond angle in `SO_(2)` in nearlyA. `119.5^(@)`B. `90^(@)`C. `180^(@)`D. `109^(@)28^(|)`

Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states)A. `SO_(2)`B. `SO_(3)`C. `SO_(3)^(2-)`D. `CO_(3)^(2-)`

The most acidic and most thermally stable set of chalcogen hydrides are respectively:A. `H_(2)O,H_(2)s`B. `H_(2)Te,H_(2)O`C. `H_(2)O,H_(2)Te`D. `H_(2)S,H_(2)Te`

Ozone is notA. ParamagneticB. A bleaching agentC. An oxidising agentD. A reducing agent

Which sterilises water ?A. `CO_(2)`B. `O_(3)`C. `N_(2)`D. `SO_(3)`

Which metals directly do not react with `O_(2)`A. AuB. PtC. Both 1 & 2D. He, Ne

Which of the following contains `p pi-dpi` bondsA. `NO_(2)`B. `SO_(3)`C. `SO_(2)`D. Both 2 and 3

In a compound of sulphur, the sulphur atom is in second excited state. The possible hybridisation of sulphur isA. `sp^(2)`B. `sp^(3)`C. `sp^(3)d^(2)`D. `sp^(2)`(or)`sp^(3)` (or) `sp^(3)d^(2)`

Among the following, the weakest conjugate base isA. `OH^(-)`B. `SH^(-)`C. `SeH^(-)`D. `TeH^(-)`

`SF_(6)` is exceptionally stable due toA. S - F Bond is strongB. Steric reasonsC. Un Symmetrical geometryD. Exothermic compound

Regarding ozone the wrong statement isA. The bond angle is `116^(@)49^(1)`B. `O_(3)` acts as both oxidant and reductantC. `"O-O"` bond lengths are equalD. It is paramagnetic

Number of planar atoms in `SF_(6)` isA. 7B. 6C. 5D. 4

Hybridisation of oxygen in `O_(2)F_(2)`A. spB. `sp^(2)`C. `sp^(3)`D. `sp^(3)d`

Magnetic nature of `S_(2)` is similar to that ofA. `S_(8)`B. `S_(6)`C. `O_(2)`D. `O_(3)`

One of the following has O-O BondA. `H_(2)S_(2)O_(6)`B. `H_(2)S_(2)O_(7)`C. `H_(2)S_(2)O_(5)`D. `H_(2)S_(2)O_(8)`

There is no `S-S` bond inA. `S_(2)O_(4)^(2-)`B. `S_(2)O_(5)^(2-)`C. `S_(2)O_(3)^(-2)`D. `S_(2)O_(7)^(-2)`

Which is correct about `O_(3)`A. Molecule is angularB. Bond angle is `116.5^(@)`C. It is isoatomic with `SO_(2)`D. All

Reaction of `SO_(2)` with water and alkali is similar to that ofA. `CO_(2)`B. `SO_(3)`C. COD. `NO_(2)`

Which is wrong about `O_(3)`A. It is paramagnetic in natureB. It has a linear structureC. It decolourizes acidic `KMnO_(4)`D. All

Oxygen exhibits its `+ve` oxidation states in itsA. FluoridesB. ChloridesC. NitridesD. Sulphides

Which of the following elements behaves as a typical non metalA. SB. SeC. TeD. Po

The stability of the halides of group 16 elements decreases in the orderA. `F gt Cl gt Br gt I`B. `Cl gt Br gt I gt F`C. `I gt Br gt Cl gt F`D. `Br gt Cl gt F gt I`

Sulphuric acid can not be usedA. As a pickling agentB. In lead storage batteriesC. In white paintsD. In manufacuture of dyes

In which of the following the bond angle is maximumA. `H_(2)O`B. `H_(2)S`C. `SO_(2)`D. `SO_(3)`

Valence configuration of VI group elements isA. `ns^(2)np^(2)`B. `ns^(2)np^(4)`C. `ns^(2)np^(5)`D. `ns^(2)np^(6)`

Conc. `H_(2)SO_(4)` is notA. HygroscopicB. Dehydrating agentC. Sulphonating agentD. efflorescent

`H_(2)S` is aA. Weak dibasic acidB. Weak monobasic acidC. Strong dibasic acidD. Strong monobasic

Anomalous behaviour of oxygen is due toA. Its high electronegativityB. Its small atomic sizeC. Non availability of d-orbitalsD. All

Which of the following is a highly basic oxideA. `SO_(2)`B. `SO_(3)`C. `TeO_(2)`D. `TeO_(3)`

In which one of the following compounds does sulphur have the least oxidation numberA. `SO_(2)`B. `H_(2)SO_(4)`C. `Na_(2)S_(2)O_(3)`D. `Na_(2)S_(4)O_(6)`

Incorrect matchA. Aquafortis - `HNO_(3)`B. Chambersacid - `H_(2)SO_(4)`C. King of chemical - HClD. Oil of vitriol - `H_(2)SO_(4)`

Elements O,S,Se and Te are commonly known asA. HalogensB. Rare earth elementsC. ChalcogensD. Pnicogens

The temp. at which rhombic sulphur and monoclinic sulphur exist in equilibrium isA. `98^(@)C`B. `95.5^(@)C`C. `240^(@)C`D. `120^(@)C`

Which of the following is most volatile?A. `H_(2)O`B. `H_(2)Se`C. `H_(2)S`D. `H_(2)Te`

The element with highest boiling point in the following isA. OxygenB. SulphurC. TelluriumD. Polonium

Which of the following has lowest boiling pointA. `H_(2)O`B. `H_(2)Se`C. `H_(2)S`D. `H_(2)Te`

Which of the following is a correct set ?A. `H_(2)O,SP^(3),"angular"`B. `H_(2)O,SP^(2),"linear"`C. `NH_(4)^(+),dSP^(2), "square planar"`D. `CH_(4),dSP^(2),"tetrahedral"`

Which one of the following is wrong?A. Oxygen and sulphur belong to the same group of periodic tableB. Oxygen is a gas while sulphur is solidC. Both show `+2,+4` and `+6` oxidation statesD. `H_(2)S` has no hydrozen bonding.

The maximum bond angle in hydrides of group 16 elements is inA. `H_(2)O`B. `H_(2)Se`C. `H_(2)S`D. `H_(2)Te`

Which of the following is more acidic in its aqueous solutionA. `H_(2)O`B. `H_(2)Se`C. `H_(2)Se`D. `H_(2)Te`

A gas which bleaches substances by reduction process isA. `CaOCl_(2(aq))`B. `H_(2)O_(2(aq))`C. `O_(3)`D. `SO_(2(aq))`

`SO_(2)` reduces acidified `K_(2)Cr_(2)O_(7)` toA. `Cr_(2)(SO_(2))_(3)`B. `CrO_(3)`C. `Cr_(2)O_(3)`D. chromium