1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

The correct decreasing order of atomic radii (pm) of $$\mathrm{Li}, \mathrm{Be}, \mathrm{B}$$ and $$\mathrm{C}$$ is

A
$$\mathrm{Be}>\mathrm{Li}>\mathrm{B}>\mathrm{C}$$
B
$$\mathrm{Li}>\mathrm{Be}>\mathrm{B}>\mathrm{C}$$
C
$$\mathrm{C}>\mathrm{B}>\mathrm{Be}>\mathrm{Li}$$
D
$$\mathrm{Li}>\mathrm{C}>\mathrm{Be}>\mathrm{B}$$
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Match List I with List II :

List - I
(Atom/Molecule)
List - II
(Property)
(A) Nitrogen atom (I) Paramagnetic
(B) Fluorine molecule (II) Most relative element in group 18
(C) Oxygen molecule (III) Element with highest ionisation enthalpy in group 15
(D) Xenon atom (IV) Strongest oxidising agent

Identify the correct answer from the options given below :

A
A-III, B-I, C-IV, D-II
B
A-I, B-IV, C-III, D-II
C
A-II, B-IV, C-I, D-III
D
A-III, B-IV, C-I, D-II
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Arrange the following elements in increasing order of first ionization enthalpy: $$\mathrm{Li}, \mathrm{Be}, \mathrm{B}, \mathrm{C}, \mathrm{N}$$

Choose the correct answer from the options given below:

A
$$ \mathrm{Li}<\mathrm{Be}<\mathrm{B}<\mathrm{C}<\mathrm{N} $$
B
$$ \mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}<\mathrm{N} $$
C
$$ \mathrm{Li}<\mathrm{Be}<\mathrm{C}<\mathrm{B}<\mathrm{N} $$
D
$$ \mathrm{Li}<\mathrm{Be}<\mathrm{N}<\mathrm{B}<\mathrm{C} $$
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Arrange the following elements in increasing order of electronegativity:

N, O, F, C, Si

Choose the correct answer from the options given below :

A
Si < C < N < O < F
B
Si < C < O < N < F
C
O < F < N < C < Si
D
F < O < N < C < Si
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