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

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Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

The unit of Henry's law constant is ____________.

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

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In the formation of an aldol, α-carbon atom of one aldehyde molecule attaches to ____________ of another aldehyde molecule.

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

If 'I' stands for the distance between the electrodes and 'a' stands for the area of cross-section of the electrode, `"l"/"a"` refers to ____________.

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

Number of oxygen atoms present in salicylaldehyde are ______.

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

\[\ce{C3H8O ->[KMnO4][(Oxidation)] C3H6O2}\]

The compound C3H8O is a/an ____________.

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

A solution of CuSO4 is electrolysed using a current of 1.5 amperes for 10 minutes. What mass of Cu is deposited at cathode? [Atomic mass of Cu = 63.7]

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

Which of the following reaction proves the chlorinating property of phosphorus pentachloride?

[20] Halogen Derivatives
Chapter: [20] Halogen Derivatives
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Which of the following pairs of aryl halides cannot be prepared directly by electrophilic substitution?

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

Using the standard electrode potentials given below, identify the correct statements from the following:

\[\ce{Fe^2+ + 2e^- -> Fe}\]; E0 = −0.44 V

\[\ce{Cu^2+ + 2e^- -> Cu}\]; E0 = +0.34 V

\[\ce{Ag^+ + e^- -> Ag}\]; E0 = +0.80 V

(I) Copper can displace iron from FeSO4 solution

(II) Iron can displace copper from CuSO4 solution

(III) Silver can displace copper from CuSO4 solution

(IV) Iron can displace silver from AgNO3 solution

[4] Redox Reactions
Chapter: [4] Redox Reactions
Concept: undefined >> undefined

Identify compound 'B' in following series of reactions?

\[\ce{Acetonitrile ->[Na/alcohol] A ->[NaNO2/dil.HCI] B}\]

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

Catalyst used in Rosenmund reduction is ____________.

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as ______.

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

The compound formed when 3, 5-dinitrobenzoic acid reacts with thionyl chloride is ___________.

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

Which alcohol is difficult to oxidise?

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

____________ plays an important role in sustainable development.

[26] Green Chemistry and Nanochemistry
Chapter: [26] Green Chemistry and Nanochemistry
Concept: undefined >> undefined

Identify Sandmeyer's reaction from the following.

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

In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

Which of the following is CORRECT for [Co(NH3)5Br]Br2?

[19] Coordination Compounds
Chapter: [19] Coordination Compounds
Concept: undefined >> undefined

____________ is used for silvering mirrors.

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined
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