Which one of the following reactions does not come under hydrolysis type reaction?
1.
\(\mathrm{S i C l_{4 \left( l \right)} + 2 H_{2} O_{\left( l \right)} \rightarrow S i O_{2 \left( s \right)} + 4 H C l_{\left( a q \right)}}\)
2.
\(\mathrm{L i_{3} N_{\left( s \right)} + 2 H_{2} O_{\left( l \right)} \rightarrow N H_{3 \left( g \right)} + 3 L i O H_{\left( a q \right)}}\)
3.
\(\mathrm{2 F_{2 \left( g \right)} + 2 H_{2} O_{\left( l \right)} \rightarrow 4 H F_{\left( a q \right)} + O_{2 \left( g \right)}}\)
4.
\(\mathrm{P_{4} O_{10 \left( s \right)} + 6 H_{2} O_{\left( l \right)} \rightarrow 4 H_{3} P O_{4 \left( a q \right)}}\)
Subtopic: Group 15 - Preparation, Properties & Uses |
50%
Level 3: 35%-60%
NEET - 2020
Hints
Select the correct option based on statements below:
| Assertion (A): | H2O is the only hydride of the chalcogen family that is liquid. |
| Reason (R): | The acidic nature of hydrides of the chalcogen family increases down the group. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Group 16 - Preparation, Properties & Uses |
80%
Level 1: 80%+
Hints
Select the correct option based on statements below:
| Assertion (A): | PF5 and IF3 have similar shapes. |
| Reason (R): | All the bond lengths are equal in PF5. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Group 15 - Preparation, Properties & Uses |
68%
Level 2: 60%+
Hints
Select the correct option based on statements below:
| Assertion (A): | The atomic size of F is smaller than that of Cl. |
| Reason (R): | F-F bond is stronger than the Cl-Cl bond. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Group 17 - Preparation, Properties & Uses |
66%
Level 2: 60%+
Hints
Links
Given below are two statements:
Select the correct option based on statements below:
| Assertion (A): | Noble gases have the highest ionization energies in their respective periods. |
| Reason (R): | The outermost sub-shell of noble gases in which the electron enters is completely filled. |
Select the correct option based on statements below:
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Group 18 - Preparation, Properties & Uses |
Level 4: Below 35%
Hints
Links
Select the correct option based on statements below:
| Assertion (A): | The valency and oxidation number of sulphur in S8 respectively are 2 and 0. |
| Reason (R): | S8 Rhombic is the most stable allotropic form of sulphur. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Group 16 - Preparation, Properties & Uses |
72%
Level 2: 60%+
Hints
Links
The given sequence among the following arrangements that is not strictly according to the property indicated against it.
| 1. | H2O < H2S < H2Se < H2Te : \(\small{\text{increasing} \ p K_{a}\ \text{values}}\) |
| 2. | \(\small{\mathrm{N H_{3} < P H_{3} < A s H_{3} < S b H_{3}} : \text{increasing acidic character}}\) |
| 3. | \(\small{\mathrm{C O_{} < S i O_{} < S n O_{} < P b O_{2}} : \text{increasing oxidising power}} \) |
| 4. | \(\small{\mathrm{H F < H C l < H B r < H I} : \text{increasing acidic strength}} \) |
Subtopic: Group 17 - Preparation, Properties & Uses | Group 16 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
80%
Level 1: 80%+
AIPMT - 2012
Hints
Subtopic: Group 15 - Preparation, Properties & Uses |
50%
Level 3: 35%-60%
AIPMT - 2010
Hints
Match List-I (substances) with List-II (processes) employed in the manufacture of the substances and select the correct option.
| List-I (Substances) | List–II (Processes) | ||
| (a) | Sulphuric acid | (i) | Haber's Process |
| (b) | Steel | (ii) | Bessemer's Process |
| (c) | Sodium carbonate | (iii) | Leblanc Process |
| (d) | Ammonia | (iv) | Contact Process |
| Options : | (a) | (b) | (c) | (d) |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (i) | (iv) | (ii) | (iii) |
Subtopic: Group 16 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
57%
Level 3: 35%-60%
AIPMT - 2010
Hints
Subtopic: Ionisation Constant of Acid, Base & Salt |
78%
Level 2: 60%+
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