Comprehension
Answer the question on the basis of passage given below:
Oxides formed by p-block elements are acidic, basic and neutral. Also, elements of p-block form different acids
Oxides formed by p-block elements are acidic, basic and neutral. Also, elements of p-block form different acids
Question: 1
In a Cyclotrimetaphosphoric acid molecule, how many single and double bonds are present?
In a Cyclotrimetaphosphoric acid molecule, how many single and double bonds are present?
Updated On: Sep 16, 2024
- 3-double bonds, 12-single bonds
- 6-double bonds, 6-single bonds
- 3-double bonds, 9-single bonds
- 0-double bonds, 12-single bonds
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The Correct Option is A
Solution and Explanation
The correct option is (A) : 3-double bonds, 12-single bonds
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Question: 2
Match List I and List II.
List I
List II
A. Pb3O4 I. neutral B. N2O II. Acidic C. Mn2O7 III. Basic D. Br2O3 IV. Mixed
Predict the nature of oxides.
Choose the correct answer from the options given below:
Match List I and List II.
List I | List II | ||
| A. | Pb3O4 | I. | neutral |
| B. | N2O | II. | Acidic |
| C. | Mn2O7 | III. | Basic |
| D. | Br2O3 | IV. | Mixed |
Predict the nature of oxides.
Choose the correct answer from the options given below:
Updated On: Sep 16, 2024
- A-I, B-II, C-III, D-IV
- A-IV, B-I, C-II, D-III
- A-IV, B-II, C-III, D-I
- A-I, B-III, C-IV, D-II
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The Correct Option is B
Solution and Explanation
The correct option is (B) : A-IV, B-I, C-II, D-III
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Question: 3
Match List I and List II.
List I
List II
A. H4P2O7 I. +1 B. H4P2O6 II. +3 C. H3PO2 III. +4 D. H3PO3 IV. +5
Choose the correct answer from the options given below:
Match List I and List II.
Choose the correct answer from the options given below:
List I | List II | ||
| A. | H4P2O7 | I. | +1 |
| B. | H4P2O6 | II. | +3 |
| C. | H3PO2 | III. | +4 |
| D. | H3PO3 | IV. | +5 |
Choose the correct answer from the options given below:
Updated On: Sep 16, 2024
- A-I, B-IV, C-II, D-III
- A-IV, B-III, C-I, D-II
- A-I, B-II, C-III, D-IV
- A-IV, B-III, C-II, D-I
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The Correct Option is B
Solution and Explanation
The correct option is (B) : A-IV, B-III, C-I, D-II
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Question: 4
HOCI < HOClO < HOCIO2 < HOCIO3 It is correct order for which of the following?
A. increasing acidic strength
B. decreasing order of oxidising power
C. increasing order of oxidising power
D. increasing basic strength
Choose the most appropriate answer from the options given below:
HOCI < HOClO < HOCIO2 < HOCIO3 It is correct order for which of the following?
A. increasing acidic strength
B. decreasing order of oxidising power
C. increasing order of oxidising power
D. increasing basic strength
Choose the most appropriate answer from the options given below:
A. increasing acidic strength
B. decreasing order of oxidising power
C. increasing order of oxidising power
D. increasing basic strength
Choose the most appropriate answer from the options given below:
Updated On: Sep 16, 2024
- A and B only
- A and C only
- B and C only
- C and D only
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The Correct Option is B
Solution and Explanation
The correct option is (B) : A and C only
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Question: 5
For the following oxides, which of the following will be true?
SO3, CO2, SiO2, N2O5
A. CO2 is an acidic oxide
B. CO2 is a neutral oxide.
C. SO3 > N2O5 > CO2 ≈ SiO2 decreasing order of central atom oxidation states
D. SO3 < N2O5 < CO2 ≈ SiO2 → increasing order of central atom oxidation states
Choose the most appropriate answer from the options given below:
For the following oxides, which of the following will be true?
SO3, CO2, SiO2, N2O5
A. CO2 is an acidic oxide
B. CO2 is a neutral oxide.
C. SO3 > N2O5 > CO2 ≈ SiO2 decreasing order of central atom oxidation states
D. SO3 < N2O5 < CO2 ≈ SiO2 → increasing order of central atom oxidation states
Choose the most appropriate answer from the options given below:
SO3, CO2, SiO2, N2O5
A. CO2 is an acidic oxide
B. CO2 is a neutral oxide.
C. SO3 > N2O5 > CO2 ≈ SiO2 decreasing order of central atom oxidation states
D. SO3 < N2O5 < CO2 ≈ SiO2 → increasing order of central atom oxidation states
Choose the most appropriate answer from the options given below:
Updated On: Sep 16, 2024
- B and D only
- A and B only
- B and C only
- A and D only
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The Correct Option is D
Solution and Explanation
The correct option is (D) : A and D only
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Top Questions on Reading Comprehension
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THE FAIR ISLE METHOD: Fair Isle knitting is a traditional technique that involves using two or more colours of yarn in a single row to create intricate patterns and designs. This method requires careful tension management to ensure even stitches and prevent puckering. To begin, select your colours and cast on the desired number of stitches. As you knit, alternate between colours every few stitches, carrying the unused yarn along the back of the work. Mastering the Fair Isle technique allows you to create stunning visual effects in garments, accessories, and home textiles.
THE CONTINENTAL STYLE: The Continental knitting style, often referred to as “picking,” involves holding the yarn in the left hand while the right hand manipulates the needles. This method allows for greater speed and efficiency, particularly when working with complex patterns or multiple colours. To practice this style, start by casting on your stitches and using your left hand to tension the yarn. With each stitch, simply “pick” the yarn with your right needle, forming a quick and fluid motion. As you become comfortable with this technique, you may find that your overall knitting speed and comfort improve significantly.
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The Story of Coffee
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