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) |
 74%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 59%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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:  Modern Periodic Table & Periodicity | Electronic Configuration |
 87%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

The IUPAC name of an element with atomic number 119 is:
1. Ununoctium  2. Ununennium 
3. Unnilennium  4. Unununnium
Subtopic:  Modern Periodic Table & Periodicity |
 82%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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

Choose the correct answer from the options given below:
(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 |
 71%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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) |
 71%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

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
Subtopic:  Ionization Energy (IE) |
 77%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The element expected to form the largest ion to achieve the nearest noble gas configuration is: 
1. Na 
2. O 
3. F 
4. N
Subtopic:  Atomic Size |
 53%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

Which one of the following represents all isoelectronic species? 
1. \(\mathrm{Na^+ , Cl^-, O^- , NO^+}\)
2. \(\mathrm{N_2O, N_2O_4 , NO^+, NO}\)
3. \(\mathrm{Na^+ , Mg^{2+} , O^- , F^-}\)
4. \(\mathrm{Ca^{2+} , Ar, K^+, Cl^-}\)
Subtopic:  Ionization Energy (IE) |
 75%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Which of the following pair is correctly matched?
1. Basic oxides - \(\mathrm{In_2O_3 , K_2O , SnO_2}\)
2. Neutral oxides - \(\mathrm{CO, NO_2, N_2O}\)
3. Acidic oxides - \(\mathrm{Mn_2O_7, SO_2, TeO_3}\)
4. Amphoteric oxides -\(\mathrm{BeO , Ga_2O_3 , GeO }\)
Subtopic:  Nature of Compound |
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.