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Tutor profile: Mukesh P.

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Mukesh P.
7 years experienced chemistry proffessor
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Questions

Subject: Physical Chemistry

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Question:

In the order of their reactivity, i.e how they displace each other from their salt solutions, align the metals in decreasing order. Cu, Fe, Al, Zn and Mg.

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Mukesh P.
Answer:

According to their reactivity, the given metals replace the others from their salt solutions in the said order: Mg, Al, Zn, Fe, Cu. Mg: Al: Zn: Fe: Cu

Subject: Organic Chemistry

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Question:

The solubility of Alcohols is comparatively more in water than that of the solubility of hydrocarbons of comparable molecular masses. Justify the above fact.

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Mukesh P.
Answer:

Due to the presence of – OH group, alcohols form H – bonds with water. As a result, alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses.

Subject: Inorganic Chemistry

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Question:

Why does nitrogen show catenation properties less than phosphorus?

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Mukesh P.
Answer:

Catenation is much more common in phosphorous compounds than in nitrogen compounds. This is because of the relative weakness of the N−N single bond as compared to the P−P single bond. Since nitrogen atom is smaller, there is greater repulsion of electron density of two nitrogen atoms, thereby weakening the N−N single bond

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