NEET Classification of Elements and Periodicity in Properties — Set 4

Question 1

Which of the following shows a diagonal relationship with Li?

Accepted Answer

Diagonal relationships occur between second and third period elements (e.g., Li and Mg) due to similar size and electronegativity, unlike Na, K, or Be.

Question 2

Arrange the following elements in order of decreasing electron affinity: F, Cl, Br, I.

Accepted Answer

Electron affinity decreases down group 17, with Cl highest due to optimal size and nuclear charge, followed by F (anomaly due to repulsion). Order: Cl > F > Br > I.

Question 3

Which element in group 14 has the highest tendency to exhibit catenation?

Accepted Answer

Catenation (self-linking) is strongest for C due to its small size and strong C-C bond energy, far exceeding Si, Ge, or Sn in group 14.

NEET Chemistry: Classification of Elements and Periodicity in Properties — Practice Set 4

Q1. Which of the following shows a diagonal relationship with Li?

Q2. Arrange the following elements in order of decreasing electron affinity: F, Cl, Br, I.

Q3. Which element in group 14 has the highest tendency to exhibit catenation?

Q4. What is the formula of the compound formed between silicon and chlorine?

Q5. Which element exhibits a diagonal relationship with carbon?

Q6. Which of the following elements was predicted as Eka-boron by Mendeleev?

Q7. Which of the following sulfates has the highest solubility in water due to its hydration energy?

Q8. Which element in the second period has the least tendency to form ionic bonds?

Q9. What is the general outer electronic configuration of group 2 elements?

Q10. Which element has the lowest electronegativity?