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MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Chemistry

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Chemistry
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Which of the following compounds gives a dye test?

[23] Amines
Chapter: [23] Amines
Concept: undefined >> undefined

The standard EMF for the cell reaction,
\[\ce{Zn + Cu^{2+} -> Zn^{2+} + Cu}\], 
is 1.10 V at 25°C. The EMF of the cell reaction, when 0.1 M Cu2+ and 0.1 M Zn2+ solutions are used at 25°C is:

[15] Electrochemistry
Chapter: [15] Electrochemistry
Concept: undefined >> undefined

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Which among the following equation represents Arrhenius equation?

[16] Chemical Kinetics
Chapter: [16] Chemical Kinetics
Concept: undefined >> undefined

The polymer used in making handles of cookers and frying pans is ______.

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
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The vapour pressure of a solvent A is 0.80 atm. When a non-volatile substance B is added to this solvent its vapour pressure drops to 0.6 atm. the mole fraction of B in the solution is ______.

[12] Solutions
Chapter: [12] Solutions
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Which of the following solutions will have the maximum lowering of vapour pressure at 300 K?

[12] Solutions
Chapter: [12] Solutions
Concept: undefined >> undefined

Which of the following in Baeyer's reagent?

[9] Hydrocarbons
Chapter: [9] Hydrocarbons
Concept: undefined >> undefined

The compounds [PtCl2(NH3)4]Br2 and [PtBr2(NH3)4]Cl2 constitutes a pair of ______.

[19] Coordination Compounds
Chapter: [19] Coordination Compounds
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The polymer used in making synthetic hair wigs is made up of ______.

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
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Which element from the following has the highest negative standard reduction potential?

[15] Electrochemistry
Chapter: [15] Electrochemistry
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What are the products of auto-photolysis of water?

[13] Ionic Equilibrium
Chapter: [13] Ionic Equilibrium
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Identity semisynthetic polymer from following.

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
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Which of following properties is not exhibited by benzene?

[9] Hydrocarbons
Chapter: [9] Hydrocarbons
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Which among the following statements is not correct about SN2 reaction mechanism?

[20] Halogen Derivatives
Chapter: [20] Halogen Derivatives
Concept: undefined >> undefined

Identify the X in the reaction.

\[\ce{R - NH2 + HNO2 ->[NaNO2 + HCl][273 - 278 K] X ->[H2O] R - OH + N2\uparrow + HCl}\]

[23] Amines
Chapter: [23] Amines
Concept: undefined >> undefined

Lactic acid and glycollic acid are the monomers used for the preparation of the polymer.

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
Concept: undefined >> undefined

With which halogen the reactions, of alkanes are explosive?

[20] Halogen Derivatives
Chapter: [20] Halogen Derivatives
Concept: undefined >> undefined

Slope of the straight line obtained by plotting log10k against represents what term?

[16] Chemical Kinetics
Chapter: [16] Chemical Kinetics
Concept: undefined >> undefined

The compound that reacts the fastest with sodium methoxide is ______.

[20] Halogen Derivatives
Chapter: [20] Halogen Derivatives
Concept: undefined >> undefined

The vapour pressure of 100 g of water reduces from 17.53 mm to 17.22 mm when 17.10 g, of substance X is dissolved in it. Substance X can be ______.

[12] Solutions
Chapter: [12] Solutions
Concept: undefined >> undefined
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