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Classification of Elements and Periodicity in Properties

JEE Main 2024 (Online) 8th April Evening ShiftMCQEasy📈 Topic in 7% papers+4−1
Ques. 1JEE Main 2024, 8 April (Evening Shift)

Identify the correct statements about p-block elements and their compounds. Choose the correct answer from the options given below :

  1. (B) and (D) only
  2. (B) and (E) only
  3. (D) and (E) only
  4. (A) and (C) only

Answer

(4) (A) and (C) only

Solution

(A): non-metals attract shared electrons more strongly, so they have higher electronegativity; (A) is correct.

(B): non-metals hold their electrons more tightly, so their ionisation enthalpy is higher; (B) is wrong.

(C): a large electronegativity difference leads to electron transfer, so such compounds are ionic; (C) is correct.

(D): non-metal oxides are acidic (or neutral), not basic; (D) is wrong.

(E): metal oxides are basic (some amphoteric), not acidic; (E) is wrong.

Answer: (4)

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Ques. 2JEE Main 2024, 6 April (Morning Shift)

The electron affinity values are negative for Choose the most appropriate answer from the options given below :

  1. A, B, D and E only
  2. D and E only
  3. A and D only
  4. A, B and C only
Ques. 3JEE Main 2024, 5 April (Morning Shift)

The statement(s) that are correct about the species O2-, F-, Na+ and Mg2+. Choose the most appropriate answer from the options given below :

  1. C and D only
  2. A, C and D only
  3. B, C and D only
  4. A, B, C and D
Ques. 4JEE Main 2024, 5 April (Evening Shift)

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

  1. Both Statement I and Statement II are true
  2. Statement I is incorrect but Statement II is true
  3. Both Statement I and Statement II are false
  4. Statement I is correct but Statement II is false
Ques. 5JEE Main 2024, 4 April (Morning Shift)

The correct order of first ionization enthalpy values of the following elements is : Choose the correct answer from the options given below :

  1. A < B < D < C < E
  2. C < E < A < B < D
  3. E < C < A < B < D
  4. B < D < C < E < A
Ques. 6JEE Main 2024, 4 April (Morning Shift)

Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is . B, C, N, S, O, F, P, Al, Si

  1. 7
  2. 3
  3. 5
  4. 6
Ques. 7JEE Main 2024, 4 April (Evening Shift)

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

  1. Statement I is true but Statement II is false
  2. Both Statement I and Statement II are false
  3. Statement I is false but Statement II is true
  4. Both Statement I and Statement II are true
Ques. 8JEE Main 2024, 1 February (Morning Shift)

In case of isoelectronic species the size of F-, Ne and Na+ is affected by :

  1. Nuclear charge (Z)
  2. None of the factors because their size is the same
  3. Electron-electron interaction in the outer orbitals
  4. Principal quantum number (n)
Ques. 9JEE Main 2024, 1 February (Morning Shift)

Among the following oxides of p-block elements, number of oxides having amphoteric nature is . Cl2O7, CO, PbO2, N2O, NO, Al2O3, SiO2, N2O5, SnO2

Ques. 10JEE Main 2024, 1 February (Evening Shift)

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

  1. Both Statement I and Statement II are false
  2. Both Statement I and Statement II are true
  3. Statement I is false but Statement II is true
  4. Statement I is true but Statement II is false
Ques. 11JEE Main 2024, 31 January (Morning Shift)

The correct sequence of electron gain enthalpy of the elements listed below is Choose the most appropriate from the options given below:

  1. A > D > C > B
  2. A > D > B > C
  3. D > C > B > A
  4. C > B > D > A

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