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Q. No.The element expected to form the largest ion to achieve the nearest
noble gas configuration is:
1. Na
2. O
3. F
4. N
noble gas configuration is:
1. Na
2. O
3. F
4. N
Subtopic: Atomic Size |
50%
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Which of the following is correctly matched?
1. Basic oxides - \(In_2O_3 , K_2O , SnO_2\)
2. Neutral oxides - \(CO, NO_2, N_2O\)
3. Acidic oxides - \(Mn_2O_7, SO_2, TeO_3\)
4. Amphoteric oxides -\(BeO , Ga_2O_3 , GeO \)
1. Basic oxides - \(In_2O_3 , K_2O , SnO_2\)
2. Neutral oxides - \(CO, NO_2, N_2O\)
3. Acidic oxides - \(Mn_2O_7, SO_2, TeO_3\)
4. Amphoteric oxides -\(BeO , Ga_2O_3 , GeO \)
Subtopic: Nature of Compound |
From NCERT
NEET - 2023
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The correct sequence given below contains neutral, acidic, basic, and amphoteric oxide
each, respectively, i:s
each, respectively, i:s
| 1. | NO, ZnO, CO2, CaO | 2. | ZnO, NO, CaO, CO2 |
| 3. | NO, CO2, ZnO, CaO | 4. | NO, CO2, CaO, ZnO |
Subtopic: Nature of Compound |
75%
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NEET - 2023
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The IUPAC name of an element with atomic number 119 is:
| 1. | ununoctium | 2. | ununennium |
| 3. | unnilennium | 4. | unununnium |
Subtopic: Modern Periodic Table & Periodicity |
80%
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NEET - 2022
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Match list-I with list-II:
| List-I Elements |
List-II Atomic radii (pm) |
||
| (a) | O | (i) | 88 |
| (b) | C | (ii) | 74 |
| (c) | B | (iii) | 66 |
| (d) | N | (iv) | 77 |
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iii) | (iv) | (i) | (ii) |
Subtopic: Atomic Size |
69%
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The first ionization enthalpies of elements X and Y are 419 kJ mol–1 and 590 kJ mol–1, respectively and the second ionization enthalpies of X and Y are 3069 kJ mol–1 and 1145 kJ mol–1, respectively. The correct statement is:
| 1. | X is an alkali metal and Y is an alkaline earth metal. |
| 2. | X is an alkaline earth metal and Y is an alkali metal. |
| 3. | Both X and Y are alkali metals. |
| 4. | Both X and Y are alkaline earth metals. |
Subtopic: Ionization Energy (IE) |
70%
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The correct order of first ionization enthalpy for the given four element is:
1. C < N < F < O
2. C < N < O < F
3. C < O < N < F
4. C < F < N < O
1. C < N < F < O
2. C < N < O < F
3. C < O < N < F
4. C < F < N < O
Subtopic: Ionization Energy (IE) |
76%
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NEET - 2022
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Identify the INCORRECT match.
| Name | IUPAC Official Name |
| a. Unnilunium | (i) Mendelevium |
| b. Unniltrium | (ii) Lawrecium |
| c. Unnilhexium | (iii) Seaborgium |
| d. Unununnium | (iv) Darmstadtium |
| 1. | (b)- (ii) | 2. | (c)- (iii) |
| 3. | (d) -(iv) | 4. | (a)- (i) |
Subtopic: Modern Periodic Table & Periodicity |
58%
From NCERT
NEET - 2020
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Match the element in column I with that in column II.
| Column-I | Column-II |
| (a) Copper | (i) Non-metal |
| (b) Fluorine | (ii) Transition metal |
| (c) Silicon | (iii) Lanthanoid |
| (d) Cerium | (iv) Metalloid |
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Subtopic: Electronic Configuration |
86%
From NCERT
NEET - 2020
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For the second-period elements, the correct increasing order of first ionisation enthalpy is:
1. Li < Be < B < C < O < N < F < Ne
2. Li < Be < B < C < N < O < F < Ne
3. Li < B < Be < C < O < N < F < Ne
4. Li < B < Be < C < N < O < F < Ne
Subtopic: Ionization Energy (IE) |
73%
From NCERT
NEET - 2019
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