Mdcat Chemistry Tests-Chapter 22 Environmental Chemistry

Chapter 22 is a very important chapter for MDCAT Chemistry and holds great significance for exam preparation. Understanding the key concepts and reactions in this chapter will help you perform better in the test. By attempting the tests from this chapter, you can check your level of preparation. The test will also show you the correct answers, helping you identify your mistakes and improve your Chemistry concepts for stronger exam readiness.

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Sr.#	Question	Answer
1	In period 1 and period 3 maximum melting point shown by elements.	A. Nitrogen and phosphorous B. Carbon and silicon C. Lithium and sodium D. Neon and argan
2	What is teh order of increasing reactivity of alkyl halides?	A. Iodoalkane <bromoalkane<chloroalkane<Fluoroalkane B. Fluoroalkane<Chloroalkane<Bromoalkane<Iodoalkane C. Iodoalkane<Bromoalkane<Chloroalkane<Fluoroalkane D. Fluroalkane<Chloroalakane< Bromo alkane<Iodo alkane
3	Halogen are being used as fire extinguisher, mild antiseptic, CFCs and many other organic chemicals. Which of the following halogen is used to kill the bacteria in drinking water.	A. Bromine B. Fluorine C. Chlorine D. Iodine
4	Down the group acid base behavior of metallic oxides of group 2 elements changes to .	A. More basic B. No change C. Less basic D. More acidic
5	Which mechanism of reaction is shown by carbonyl compounds?	A. Nucleophilic addition B. Electrophilic substituion C. Free radical substitution D. Electrophilic addition
6	Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is .	A. Aromatic alcohol B. Tertiary alcohol C. Primary Alcohol D. Secondary Alcohol
7	Which of following compound is solid and room temperature?	A. Ethanal B. Phenol C. Butane D. Methanol
8	According to Lowry-bronsted acid and bass concept, H2O is	A. A salt B. An acid C. A base D. An amphoteric species
9	Which product is formed by teh reaction of carboxylic acid with alcohol?	A. Aldehyde B. Ether C. Alkane D. Ester
10	The catalyst used for the manufacture of H2SO4 by contact process is with bromine?	A. SO3 B. Pt/pd C. V2O5 D. Fe2O3
11	The shape of [Co(NH₃)₆]³⁺ complex is.	A. Linear B. Octahedral C. T Tetrahedral D. Square planer
12	Which option shows all the molecule with bond angle 109.5^o.	A. CH_4,CCl₄,NH₃ B. CH₄,NH₄ PH₃ C. SiCl₄ H₂O BeCl₂ D. SiCl₄ Nh₄CH₄
13	Which one of the following enthalpy change ins always exothermic?	A. Enthalpy of atomization B. Enthalpy of combustion C. Enthalpy of solution D. Enthalpy of formation
14	Which one of the following compounds act as catalyst when alcohols react with carboxylic acids.	A. Pt B. Conc. H2SO5 C. Conc HNO3 D. Ni
15	Which compound is obtained by the elimination of bromopropane?	A. Propene B. Ethene C. Propane D. Butane
16	Relation of water with quick lime result in the rise in the temperature of the system using the concept of energy change, indicate the nature of the reaction?	A. Endothermic reaction B. Third order reaction C. Exothermic reaction D. Non spontaneous reaction
17	Which one of the following compounds is known as tertiary alcohol?	A. 1-Propanol B. 2-methyl-1 propanol C. 2-propanol D. 2-methyl-2-propanol
18	Gas is enclosed in a container of 20 cm3 with the moving piston. According to kinetic theory of gases, what will be the effect on freely moving molecules of the gas if temperature is increased from 20 ^oC in 100 ^oC?	A. Volume will be increased B. Decrease rate of a reaction C. Decrease yield of a reaction D. Increase yield of product
19	Which one the following is the structure of Teflon?	A. (-CH2-CH2-)n B. (-CF2-CH2-)n C. (-CF2-CF2-)n D. (-CF2-CCl2-)n
20	Which of the following reagents is used to distinguish between aldehydes and ketones.?	A. 2,4 NDPH B. Bromine C. Alkaline Iodine D. Tollen's reagent
21	Butane molecule can have max no of isomers.	A. 4 B. 5 C. 3 D. 2
22	Ligands having two lone pair of electrons for donation to the central transition metal ion are known as.	A. Bidentate ligands B. Hexadentate ligands C. Polydentate ligands D. Monodentate ligands
23	Which of the following acts as a electrocphile in the electrphilic substitution of benzene.with bromine.?	A. Fe^-3 B. Br- C. FeCl^4- D. Fe⁺²
24	Which of the following molecule has largest number of shared pair of electrons?	A. CO₂ B. N₂ C. NH₃ D. C₂H₄
25	3.0 mole of calcium will contained________ g of calcium.	A. 100 gm B. 105 gm C. 80 gm D. 120 gm
26	Why is it necessary to distill aldehyde formed from oxidation of primary alcohol through acidified potassium dichromate (VI) solution or acidified sodium dichromate (VI) solution.	A. Aldehyde formed may be oxidised further to carboxylic and concerned B. Aldehyde formed may react with primary alcohol the original reactant C. Aldehyde formed may be oxidised further to a ketone D. Aldehyde formed is unstable and decomposed back to original precuser, ie. primary alcohol
27	Liquid in the container have temperature 70 C. What will be the temperature in Kelvin Scale?	A. 203 K B. 350 K C. 343 K D. 300 K
28	Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is	A. Aromatic alcohol B. Tertiary alcohol C. Primary alcohol D. Secondary alcohol
29	Which of these pollutants is produced by burning of coal and causes acid rain	A. SO2 B. CO2 C. CO D. NO
30	While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine .	A. Carbon-12 B. Neon -20 C. Carbon -13 D. Nucleon number
31	Which is the correct electronic configuration of chromium.	A. 1s²,2s²,3s²,2p⁶,3p⁶,4s²,3d⁶ B. 1s²,2s²,2p⁶,3s⁶,3p⁶,3d⁶ C. 1s²,2s²,3s²,2p⁶,3p⁶,4s²,3d⁴ D. 1s²,2s²,2p⁶,3s²,3p⁶,4s²,3d⁵
32	Percentage of nitrogen by volume in air is	A. 20% B. 78% C. 98% D. 50%
33	The species which are produced by electrolytic bond breaking and can act as electron pair donors are known as.	A. Cations B. Anions C. Nucleophiles D. Free radical
34	Nitrogen is present in air as a major constituent it is an inactive gas in comparison with oxygen which is the next major constituent of air Nonreactive nature of nitrogen is due to the reason.	A. There is one lone pair of electron on each nitrogen atom in its molecule B. Nitrogen have three unpaired electron i its 2p orbital which is comparatively stable elecrtonic configuration C. There is a triple covalent bond in nitrogen molecule which in very strong and molecule is polar D. There is a triple covalent bond in nitrogen molecule which is very strong and molecule is non polar
35	Reaction mechanism of alkanes with halogens is known as	A. Propagation B. Additon C. Elimination D. Free radical substitution
36	Nylon -6,6 also called	A. Polyvinyl alcohol B. Polystyren C. Polyamide D. Polyester
37	Which of the following acts as a nucleophile in the reaction of alkyl halide with alcoholic aqueous ammonia?	A. NH3 B. H+ C. Br- D. NO2-
38	Which compound will be produced by the oxidation of ethanol by acidified K2Cr2O7?	A. Ethanone B. Ethene C. Ethanoic acid D. Ethanol
39	The standard electrode potential of hydrogen is arbitrarily taken at 298 K is	A. 1.00 volt B. 0.00 volt C. 10.0 volt D. 0.10 volt
40	Which is the structure of polyvinyl chloride?	A. [H2C=CH-Cl] B. -[HCCl-CH-Cl]- C. -[H2C-CH-Cl]- D. -[CCl2-CCl2]-
41	Select one which is alcohol	A. CH3-CH2-OH B. CH3COOH C. CH3-O-CH3 D. CH3-CH2-Br
42	Electron affinity of the atom is the energy released when	A. electron is removed from gaseous atom B. Covalent bond of molecule is broken C. Electron is added to gaseous atom D. Covalent bond is formed between the atom
43	Which of the following would react with ozone in the atmosphere?	A. F B. Cl C. O2 D. O
44	Which one will be act as a strong acid.	A. Dichloroethanoic acid B. Emanoic acid C. Chloroethanoic acid D. Trichlorothanoic acid
45	The dilute solution of ___________ is called vinegar.	A. Formic acid B. Acetic acid C. Oxalic acid D. Benzoic acid
46	Halogen is a halo derivative of	A. Ethanol B. Methane C. Methanol D. Ethane
47	The potential difference of an electrochemical cell is measured by	A. Calorimeter B. Voltmeter C. Galvanometer D. Ammeter
48	The essential property of a fertilizer is that it should be.	A. Partially soluble B. Highly soluble C. In soluble D. Immiscible

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MCQ's Test For MDCAT Chemistry Chapter 22 Online Test

MDCAT Chemistry Chapter 22 Online Test

In period 1 and period 3 maximum melting point shown by elements.

What is teh order of increasing reactivity of alkyl halides?

Halogen are being used as fire extinguisher, mild antiseptic, CFCs and many other organic chemicals. Which of the following halogen is used to kill the bacteria in drinking water.

Down the group acid base behavior of metallic oxides of group 2 elements changes to .

Which mechanism of reaction is shown by carbonyl compounds?

Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is .

Which of following compound is solid and room temperature?

According to Lowry-bronsted acid and bass concept, H2O is

Which product is formed by teh reaction of carboxylic acid with alcohol?

The catalyst used for the manufacture of H2SO4 by contact process is with bromine?

The shape of [Co(NH3)6]3+ complex is.

Which option shows all the molecule with bond angle 109.5o.

Which one of the following enthalpy change ins always exothermic?

Which one of the following compounds act as catalyst when alcohols react with carboxylic acids.

Which compound is obtained by the elimination of bromopropane?

Relation of water with quick lime result in the rise in the temperature of the system using the concept of energy change, indicate the nature of the reaction?

Which one of the following compounds is known as tertiary alcohol?

Gas is enclosed in a container of 20 cm3 with the moving piston. According to kinetic theory of gases, what will be the effect on freely moving molecules of the gas if temperature is increased from 20 oC in 100 oC?

Which one the following is the structure of Teflon?

Which of the following reagents is used to distinguish between aldehydes and ketones.?

Butane molecule can have max no of isomers.

Ligands having two lone pair of electrons for donation to the central transition metal ion are known as.

Which of the following acts as a electrocphile in the electrphilic substitution of benzene.with bromine.?

Which of the following molecule has largest number of shared pair of electrons?

3.0 mole of calcium will contained________ g of calcium.

Why is it necessary to distill aldehyde formed from oxidation of primary alcohol through acidified potassium dichromate (VI) solution or acidified sodium dichromate (VI) solution.

Liquid in the container have temperature 70 C. What will be the temperature in Kelvin Scale?

Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is

Which of these pollutants is produced by burning of coal and causes acid rain

While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine .

Which is the correct electronic configuration of chromium.

Percentage of nitrogen by volume in air is

The species which are produced by electrolytic bond breaking and can act as electron pair donors are known as.

Nitrogen is present in air as a major constituent it is an inactive gas in comparison with oxygen which is the next major constituent of air Nonreactive nature of nitrogen is due to the reason.

Reaction mechanism of alkanes with halogens is known as

Nylon -6,6 also called

Which of the following acts as a nucleophile in the reaction of alkyl halide with alcoholic aqueous ammonia?

Which compound will be produced by the oxidation of ethanol by acidified K2Cr2O7?

The standard electrode potential of hydrogen is arbitrarily taken at 298 K is

Which is the structure of polyvinyl chloride?

Select one which is alcohol

Electron affinity of the atom is the energy released when

Which of the following would react with ozone in the atmosphere?

Which one will be act as a strong acid.

The dilute solution of ___________ is called vinegar.

Halogen is a halo derivative of

The potential difference of an electrochemical cell is measured by

The essential property of a fertilizer is that it should be.

Prepare Complete Set Wise MDCAT Chemistry Chapter 22 Online Test MCQs Online With Answers

Set 1

Top Scorers Of MDCAT Chemistry Chapter 22 Online Test MCQ`s Test

Test Questions

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The shape of [Co(NH₃)₆]³⁺ complex is.

Which option shows all the molecule with bond angle 109.5^o.

Gas is enclosed in a container of 20 cm3 with the moving piston. According to kinetic theory of gases, what will be the effect on freely moving molecules of the gas if temperature is increased from 20 ^oC in 100 ^oC?