Physical and Inorganic Chemistry PYQs – Set 156

By Atul Sahu • Physical and Inorganic Chemistry, Subject Wise PYQs

Physical and Inorganic Chemistry PYQs – Set 156

Subject : Physical and Inorganic Chemistry

3101. In Universal indicators, a pH of 7 is shown with:-

Physical and Inorganic Chemistry • Acids, Bases, and Buffers • GPAT 2018

A. Yellow color B. Green color C. Blue color D. Pink color

3102. Which of the following solutions are more likely to have the same osmotic pressure?

Physical and Inorganic Chemistry • Acids, Bases, and Buffers • GPAT 2018

A. Diluted nonelectrolytes with the same molal concentration B. Concentrated nonelectrolytes with the same molal concentration C. Diluted electrolytes with the same molal concentration D. Concentrated electrolytes with the same molal concentration

3103. In universal indicators, a pH of 7 is typically indicated by which color?

Physical and Inorganic Chemistry • Acids, Bases, and Buffers • GPAT 2018

A. Yellow B. Green C. Blue D. Pink

3104. Which of the following solutions is most likely to have the same osmotic pressure?

Physical and Inorganic Chemistry • Acids, Bases, and Buffers • GPAT 2018

3105. As per Bronsted-Lowry concept, acid is defined as:

Physical and Inorganic Chemistry • Acids, Bases, and Buffers • GPAT 2018

A. Electron pair acceptor B. Any substance/molecule that can donate a proton C. Any substance/molecule that can accept a proton D. Electron pair donor

3106. Among the following which is known as “SPIRIT OF SALT”:

Physical and Inorganic Chemistry • Acids, Bases, and Buffers • GPAT 2018

A. Hydrochloric acid B. Nitric acid C. Thioglycolic acid D. Boric acid

3107. The relative lowering of vapor pressure is given by:

Physical and Inorganic Chemistry • Colligative Properties • GPAT 2018

A. Raoult’s law B. Henry’s law C. Boyle’s law D. Charles law

3108. Which method is used to determine osmotic pressure?

Physical and Inorganic Chemistry • Colligative Properties • GPAT 2018

A. Beckmann's method B. Berkeley and Hartley's method C. Cottrell's method D. Landsberger's method

3109. The mechanism by which fluorides inhibit dental caries is

Physical and Inorganic Chemistry • Dental caries prevention • GPAT 2018

A. By increasing susceptibility to acid B. By increasing the sensitivity of tooth enamel C. Decreased acid solubility of enamel D. Increased acid solubility of enamel

3110. What is the unit of dielectric constant?

Physical and Inorganic Chemistry • Electric Properties of Materials • GPAT 2018

A. Dyne B. Debey C. Farad/meter D. No Unit

3111. Which of the following is a half-reaction?

Physical and Inorganic Chemistry • Electrochemistry • GPAT 2018

A. Zn + Cu2+ -> Zn2+ + Cu B. H+ + OH- -> H2O C. Ag+ + e- -> Ag D. Ag+ + Cl- -> AgCl

3112. What is the potential at the equivalence point for the redox reaction?

Physical and Inorganic Chemistry • Electrochemistry • GPAT 2018

A. E = (bE₀₁ + aE₀₂)/(a+b) B. E = E₀ + (0.0592/n) log Q C. E = E₀ + (0.0592/n) log (Red/Ox) D. E = (E₀₁ + E₀₂)/2

3113. Movement of charged particle through a liquid under the influence of an applied potential difference is known as

Physical and Inorganic Chemistry • Electrokinetic phenomena • GPAT 2018

A. Sedimentation Potential B. Streaming Potential C. Electrophoresis D. Electroosmosis

3114. When an electron (1.60Ã—10^19 C) is moved through a potential difference of 1 volt, the energy expended is called

Physical and Inorganic Chemistry • Electron volt energy • GPAT 2018

A. 1 joule B. 1 coulomb C. 1 erg D. 1 e volt

3115. What will be the Heat of vaporisation of 1 mole of water, when it has the entropy change (ΔS) of 35.2 cal/mole.deg (at 25°C) ?

Physical and Inorganic Chemistry • Entropy and vaporization • GPAT 2018

A. 1.408 cal/mole B. 10489 cal/mole C. 8465 cal/mole D. 880 cal/mole

3116. Calculate the accurate osmotic pressure at 0°C of a blood serum sample using Lewis equation having freezing point – 0.53°C

Physical and Inorganic Chemistry • Freezing‑point depression • GPAT 2018

A. 0.636 atm B. 6.39 atm C. 574.28 atm D. 0.0441 atm

3117. Match the following: (P) Gypsum salt, (Q) Epsom salt, (R) Alum, (S) Green vitriol with: (1) KAl(SO₄)₂·12H₂O, (2) FeSO₄·7H₂O, (3) CaSO₄·2H₂O, (4) MgSO₄·7H₂O.

Physical and Inorganic Chemistry • Inorganic Salts • GPAT 2018

A. P-1, Q-2, R-4, S-3 B. P-3, Q-4, R-1, S-2 C. P-4, Q-3, R-1, S-2 D. P-2, Q-4, R-1, S-3

3118. Which cation has the lowest molar ionic conductivity at infinite dilution?

Physical and Inorganic Chemistry • Ionic conductivity • GPAT 2018

A. Hydrogen ion B. Lithium ion C. Sodium ion D. Silver ion

3119. Isotopes differ in which of the following?

Physical and Inorganic Chemistry • Isotopes & Nuclear Properties • GPAT 2018

A. The number of protons B. The valency C. The chemical activity D. The number of neutrons

3120. Molar heat capacity of a system is defined as:

Physical and Inorganic Chemistry • Molar heat capacity • GPAT 2018

A. The heat required to raise the temperature of one mole by one Kelvin B. The heat required to decrease the temperature of one mole by one Kelvin C. The heat required to decrease the temperature of one mole by one Fahrenheit D. The heat required to raise the temperature of one mole by one Fahrenheit

Disclaimer for MCQ Quiz
The questions in this MCQ quiz are intended solely for educational purposes. While we strive to ensure accuracy, the information may not always be up-to-date or complete. The creators are not liable for any errors or consequences. Verify any information before relying on it for critical decisions.

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Physical and Inorganic Chemistry PYQs – Set 156

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