Chapter 12 - MCQs Test | Chapter 12 Notes

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Q.1
Despite being the most abundant gas 5. PAN formation starts when in the Earth's atmosphere, nitrogen does not in readily participate combustion reactions because:

(a) It is denser than oxygen. (b) It has a high specific heat capacity (c) Breaking the NEN bond requires a large amount of energy. (d) It is a noble gas.

Q.2
A student heats a solid ammonium salt with a solution of a strong alkali. The gas produced turns damp red litmus paper blue and has characteristic pungent smell. The gas iS:

(a) Hydrogen (H2) (b) Carbon dioxide (CO2) (c) Ammonia (NH3) (d) Sulfur dioxide (SO2)

Q.3 The shape of ammonium is

(a) Pyramidal (b) Triangular planar (c) Tetrahedral (d) Linear a the

Q.4
In catalytic converter, conversion of nitrogen oxides (NOx) into nitrogen gas (N2) and oxygen gas (O2) is a process of:

(a) NO (b) NO2 (с) Оз (c) Combustion (d) HO•

Q.6
is the process by which:

(a) Atmospheric nitrogen is converted into ammonia. (b) Nitrate is converted into nitrogen gas. (c) Ammonia is converted into nitrite and then nitrate. (d) Organic nitrogen is converted into a ammonia.

Q.7
The most stable species in an acidic environment is:

(a) SO4 (b) SO2 (c) H2S. Which gas is used in separating hard (d) S

Q.8
water from normal water?

(a) SO2 (b) H2S (c) NH3 (d) NO2

Q.9
The oxidation state of sulfur in H2SO4

(a) +1 (b) +2 (c) +4 (d) +6

Q.10 The drug omeprazole contains group:

(a) Thiol (b) Sulfoxide (c) Bisulfide (d) Sulfone

Q.11
dioxide (SO2) produced from the combustion of sulfur can be further oxidized to sulfur trioxide (SO3) under specific conditions, such as in the presence of a:

(a) Catalyst (e.g., vanadium(V) oxide) and high temperature. (b) Catalyst (e.g., iron) and low temperature. (c) Strong reducing agent and high pressure. (d) Dilute acid and room temperature. SLO BASED MULTIPULE CHOICE QUESTIONS Nitrogen

Q.12
trioxide (SO3) is not directly dissolved in water to produce sulfuric acid in the Contact Process because this reaction is:

(a) Too slow. (b) Reversible and would result in a low yield. (c) Highly exothermic and produces a mist of sulfuric acid (d) Requires very high pressures.

Q.13
Nitrogen belongs to which group of periodic table?

(a) 12 (b) 13 (c) 15 (d) 18

Q.14 Electro negativity of nitrogen is:

(a) 170pm (b) 121pm (c) 156pm f (d) 171nm

Q.16 Bond energy of nitrogen is

(a) +944 kJmol 1 (b) +844 kJmol (c) +888 kJmol (d) +1000 kJmol

Q.17 IUPAC name of ammonia is

(a) Azane (b) Azanium (c) Azole Oxides of nitrogen in state nitrogen (d) None of these

Q.18 Oxidation laughing gas is

(a) 1+ (b) 2+ (c) 3+ Smog (d) 9+

Q.19 Classical smog is

(a) Oxidizing (b) Reducing (c) Both oxidizing and reducing (d) None of these Sulfur and its compounds

Q.20 Relative atomic mass of sulfur is

(a) 30.06 a.m.u. (b) 31.06 a.m.u. (c) 32.06 a.m.u. (d) 39.06 a.m.u.

Q.21 Electronegativity of sulfur is

(a) 2.3 (b) 4.0 (c) 2.5 (d) None of these

Q.22 Common bonding exhibited by sulfur is:

(a) Ionic bond (b) Covalent bond (c) Coordinate covalent bond (d) Metallic bond

Q.23 Most common oxidation states of sulfur are

(a) 5+ and 6+ (b) 4+ and 6+ (c) 4+ and 8+ (d) 0 and 1+

Q.24
The ability to form large rings and long chains is called

(a) Sulfonation (b) Catenation (c) Alkylation (d) All above options are same

Q.25
Gypsum is used as a fertilizer which nutrient is delivered by gypsum:

(a) Asthma (b) Gastroesophageal reflux disease (c) Both a and b (d) None of these Sulfuric Acid

Q.27
vapor pressure of sulfuric acid at room temperature

(a) 0.1 torr (b) 0.001 torr (c) 0.01 torr (d) 1 torr

Q.28
of sulfuric acid is:

(a) 30.33 centipoise (b) 25.24 centipoise (c) 44 centipoise (d) None of these

Q.29 Molar mass of sulfuric acid is:

(a) 100.00 g/mol (b) 98.08 g/mol (c) 15.9g/mol (d) None of the above

Q.30 In laboratory sulfuric acid appears as:

(a) Yellow coloured gas (b) Colourless viscous liquid (c) Solid crystals (d) Pink coloured liquid

Q.31
When sulfuric acid reacts with table sugar black porous mass is obtained which is:

(a) Carbon (b) Sulfur (c) Nitrogen (d) Alcohol

Q.32
In contact process arsenic purifier uses for absorption of arsenic oxide:

(a) Vanadium pentoxide (b) Gelatinous ferric hydroxide (c) Iron pyrite (d) None of above ANSWER KEY C C

Q.33
which of the following is used as raw material in contact process:

(a) Sulfur (b) Iron pyrite (c) Both a and b (d) None of these

Q.34
in sulfuric acid how many oxygen are attached to sulfur:

(a) 1 (b) 2 (c) 3 (d) 4

Q.35
In sulfuric acid no of oxygen and sulfur bonds are:

(a) 2 (b) 4 (c) 6 (d) 8

Q.36 Main fuel in gun powder is:

(a) Charcoal carbon (b) Nitrate (c) Sulfur (d) None of these a C b C

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Chapter 12: Nitrogen and Sulfur

Exam Mode Rules

Q.1 Despite being the most abundant gas 5. PAN formation starts when in the Earth's atmosphere, nitrogen does not in readily participate combustion reactions because:

Q.2 A student heats a solid ammonium salt with a solution of a strong alkali. The gas produced turns damp red litmus paper blue and has characteristic pungent smell. The gas iS:

Q.3 The shape of ammonium is

Q.4 In catalytic converter, conversion of nitrogen oxides (NOx) into nitrogen gas (N2) and oxygen gas (O2) is a process of:

Nitrification

Q.6 is the process by which:

Q.7 The most stable species in an acidic environment is:

Q.8 water from normal water?

Q.9 The oxidation state of sulfur in H2SO4

Q.10 The drug omeprazole contains group:

Sulfur

Q.11 dioxide (SO2) produced from the combustion of sulfur can be further oxidized to sulfur trioxide (SO3) under specific conditions, such as in the presence of a: