List of top Chemistry Questions on Surface Chemistry

Which of the following is an example of physisorption?
The half-life of $^{65}$Zn is 245 days. After $x$ days, 75% of the original activity remained. The value of $x$ in days is __________ (Nearest integer).}
(Given: $\log 3 = 0.4771$ and $\log 2 = 0.3010$)
Langmuir isotherm
Which from following pairs of carbohydrates produce equal quantity of glucose on hydrolysis per mole?
Which of the following is NOT a characteristic of chemisorption?
Which of the following is NOT a characteristic of chemisorption?
Which from following pairs of carbohydrates produce equal quantity of glucose on hydrolysis per mole?
Which of the following is NOT a characteristic of chemisorption?
The potential of a large liquid drop when eight liquid drops are combined is 20 V. What is the potential of each single drop?
Observe the following colloids:
I. Gold
II. Detergent
III. Starch
IV. Soap
V. Synthetic rubber
VI. Sulphur
VII. Cellulose
The number of multimolecular colloids and macromolecular colloids in the above list is respectively
Which of the following statement is incorrect about the nature of chemisorption?
The coagulating power of electrolytes having ions Na$^+$, Al$^{3+}$ and Ba$^{2+}$ for As$_2$S$_3$ sol increases in the order
The role of a catalyst is to change _____________ .
What is the polymer of elastomer?
TLC
In the given TLC, the distance of spot \( A \) and \( B \) are 5 cm and 7 cm, from the bottom of the TLC plate, respectively. The \( R_f \) value of \( B \) is \( x \times 10^{-1} \) times more than \( A \). The value of \( x \) is _________ .
The adsorbent used in adsorption chromatography is/are
A. silica gel
B. alumina
C. quick lime
D. magnesia
Choose the most appropriate answer from the options given below :
Adsorption' principle is used for which of the following purification method?
For \( \text{As}_2\text{S}_3 \) sol, the most effective coagulating agent is:
What is the IUPAC name and bond length of propan-1-ol and cyclobutane?
When ammoniacal silver nitrate reacts with organic compounds, this test is called:
Which of the following ligands has two donor atoms?
For which one of the following sets of four quantum numbers, an electron will have the highest energy? 
quantum numbers
Which of the following alkyl halides will undergo \( S_N1 \) reaction most readily?
Which of the following gases is readily adsorbed by solid adsorbent?
Match the terms in Column-I with their description in Column-II and choose the correct option:
Column I (Chemical reactions)Column II (Enzymes used)
(i)Glucose → CO2 + EthanolaPepsin
(ii)Sucrose→Glucose + Fructose bDiastase
(iii)Starch →Maltose cZymase
(iv)Protein→Amino acids dInvertase