The most effective electrolyte for the coagulation of $As_2S_3$ Sol is ____________.
- ANaCl
- B$Ba \left( NO _3\right)_2$
- C$K_3\left[ Fe ( CN )_6\right]$
- ✓$Al^3$
Answer: D.
View full solution →445 questions across 9 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.
Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.
169 Q→02Fill In The Blanks.
80 Q→03Assertion And Reason.
15 Q→04[ 1 MARK QUESTIONS ]
3 Q→05[ 2 Marks Questions ]
59 Q→06Match The Following.
18 Q→07[ 3 Marks Questions ]
66 Q→08[ 5 Marks Questions ]
15 Q→09Find the odd one out
20 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: D.
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View full solution →Answer: A.
View full solution →| Column I | Column II |
| A. Pepsin | 1. Starch into maltose |
| B. Diastase | 2. Alcohol into acetic acid |
| C. Zymase | 3. Hydrolysis of peptide |
| D. Micoderma aceti | 4. Glucose into ethanol |
| Code: | A | B | C | D |
| (a) | 3 | 1 | 4 | 2 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 2 | 4 | 1 | 3 |
| Column I | Column II |
| A. $Ni$ | 1. $4 NH _3+5 O _2 \rightarrow 4 NO +6 H _2 O$ |
| B. $Pt$ | 2. $C _6 H _6+ CH _3 COCl \rightarrow C _6 H _6 COCH _3+ HCl$ |
| C. Anhydrous $AlCl _3$ | 3. $2 SO _2+ O _2 \rightarrow 2 SO _3$ |
| D. $V _2 O _5$ | 4. $CH _2= CH _2 \rightarrow CH _3- CH _3$ |
| Code: | A | B | C | D |
| (a) | 4 | 1 | 2 | 3 |
| (b) | 3 | 4 | 1 | 2 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 2 | 3 | 4 | 1 |
| Column I | Column II |
| A. $CH _3 CHO \rightarrow CH _4+ CO$ | 1. $pt$ |
| B. $C _{12} H _{22} O _{11}+ H _2 O \rightarrow C _6 H _{12} O _6+ C _6 H _{12} O _6$ | 2. $Fe$ |
| C. $N _2+3 H _2 \rightarrow 2 NH _3$ | 3. $I _2$ |
| D. $4 NH _3+5 O _2 \rightarrow 4 NO +6 H _2 O$ | 4. $H _2 SO _4$ |
| Code: | A | B | C | D |
| (a) | 4 | 3 | 1 | 2 |
| (b) | 3 | 4 | 2 | 1 |
| (c) | 2 | 1 | 4 | 3 |
| (d) | 1 | 2 | 3 | 4 |
| Column I | Column II |
| A. Phase transfer catalysis | 1. Thermal decomposition of $KClO _3$ |
| B. Enzyme catalysis | 2. Reaction of $RCl$ with $NaCN$ |
| C. Homogeneous catalysis | 3. Hydrogeneration of ethyleno |
| D. Heterogeneous catalysis | 4. Conversion of glucose into ethanol |
| Code: | A | B | C | D |
| (a) | 2 | 4 | 1 | 3 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 3 | 1 | 4 | 2 |
| Column I | Column II |
| A Physical adsorption | 1. Sorption of gases on metal surface |
| B Chemical adsorption | 2. Simultaneous adsorption and absorption |
| C Sorption | 3. Transfer of electrons |
| D Occulsion | 4. Van der Waals force of attraction |
| Code: | A | B | C | D |
| (a) | 1 | 2 | 3 | 4 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 3 | 4 | 1 | 2 |
| (d) | 2 | 1 | 4 | 3 |
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