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Simranpreet Singh
Subject: Chemistry
, asked on 4/9/17
.. .now answer these three questions in points(NO LINKS), i don't want any bulky explanation, just to the point what i asked, don't turn the question okay, (EXACT ANSWER).....
. .(CLEAR THESE DOUBTS FROM NCERT)
Answer
1
Simranpreet Singh
Subject: Chemistry
, asked on 3/9/17
more vanderwalls forces between molecules of a gas(like SO
2
) implies more adsorption. EXPLAIN.
Answer
1
Nithyashrri Saravanan
Subject: Chemistry
, asked on 1/9/17
Dear experts in certain places fe(oh)3 is a sol and in certain places it is a precipitate why?
Answer
1
Shreyas Kurandwad
Subject: Chemistry
, asked on 27/8/17
Prepare potassium hydroxide solution from potassium permanganate. Write the necessary reaction to convert KMnO4 into KOH solution.
Answer
1
Lauren
Subject: Chemistry
, asked on 24/8/17
how does decrease in temperature affect adsorption in soln?
Answer
1
Lauren
Subject: Chemistry
, asked on 24/8/17
how is physical adsorption reversible in nature
Answer
1
Lauren
Subject: Chemistry
, asked on 24/8/17
Can someone explain in an easy understandable way the 2nd paragraph of tb (pg123) of mechanism of adsorption?
Answer
1
Aishwarya Trivedi
Subject: Chemistry
, asked on 15/8/17
please answer
Answer
1
Aishwarya Trivedi
Subject: Chemistry
, asked on 15/8/17
please tell correct answer
Answer
1
Aishwarya Trivedi
Subject: Chemistry
, asked on 14/8/17
please tell me the correct option
Answer
1
Aishwarya Trivedi
Subject: Chemistry
, asked on 14/8/17
In Langmuir's model of adsorption of a gas on a solid surface
1. the adsorption at a single site on the surface may involve multiple molecules at the same time.
2. the mass of gas striking a given area of surface is proportional to the pressure of the gas.
3. the mass of gas striking a given area of surface is independent of the pressure of the gas.
4. the rate of dissociation of adsorbed molecules from the surface does not depend on the surface covered.
Answer
1
Aishwarya Trivedi
Subject: Chemistry
, asked on 14/8/17
Q. Which one of the followings forms micelles in aqueous solution above certain concentration?
1. Dodecyl trimethyl ammonium chloride
2 Glucose
3 Urea .
4. Pyridinium chloride
Answer
1
Aishwarya Trivedi
Subject: Chemistry
, asked on 14/8/17
Q. In Freundlich Adsorption isotherm, the value of l/n is
1. 1.in case of physical adsorption
2. 1 in case of chemisorption
3. Between 0 and 1 in all cases
4. Between 2 and 4 in all cases
Answer
1
Lalita Rani Singh
Subject: Chemistry
, asked on 9/8/17
Solve Q 16 and explain thoroughly
Answer
2
Lalita Rani Singh
Subject: Chemistry
, asked on 9/8/17
Solve Q 30
Answer
1
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What are you looking for?
1. the adsorption at a single site on the surface may involve multiple molecules at the same time.
2. the mass of gas striking a given area of surface is proportional to the pressure of the gas.
3. the mass of gas striking a given area of surface is independent of the pressure of the gas.
4. the rate of dissociation of adsorbed molecules from the surface does not depend on the surface covered.
1. Dodecyl trimethyl ammonium chloride
2 Glucose
3 Urea .
4. Pyridinium chloride
1. 1.in case of physical adsorption
2. 1 in case of chemisorption
3. Between 0 and 1 in all cases
4. Between 2 and 4 in all cases