The incorrect statement is:

(a) The second ionisation energy of Se is greater than that of second ionisation energy of As

(b) The first ionisation energy of ${C}^{2+}$ ion is greater than that of first ionisation energy of ${N}^{2+}$ ion

(c) The third ionisation energy of F is greater than that of third ionisation energy of O

(d) Helogens have highest I.E. in respective period

Concept Questions :-

Ionization Energy (IE)
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Consider the following ionisation reactions :

I.E. (kJ $mo{l}^{-1}$)

If monovalent positive ion of A, divalent positive ion of B and trivalent positive ion of C have zero electron. Then incorrect order of corresponding I.E. is :

(a)${C}_{3}>{C}_{2}>{B}_{2}$                       (b)${B}_{1}>{A}_{1}>{C}_{1}$

(c)${C}_{3}>{C}_{2}>{B}_{2}$                       (d)${B}_{2}>{C}_{3}>{A}_{1}$

Concept Questions :-

Ionization Energy (IE)
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which of the following is the incorrect match for atom of element?

(a)

(b)

(c)

(d)

Concept Questions :-

Electronic Configuration
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which of the following order is correct for the property mentioned in brackets?

(Ionisation energy)

(2nd Ionisation energy)

(Electronegativity)

$\left(d\right)N{a}^{+}>L{i}^{+}>M{g}^{2+}>B{e}^{2+}>A{l}^{3+}$    (Ionic radius)

Concept Questions :-

Ionization Energy (IE)
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

$I{P}_{1}$ and $I{P}_{2}$ Mg are 178 and 348  Kcal $mo{l}^{-1}$ . The energy required for the reaction,

Mg$\to$ is :

(a) +170 Kacl

(b) +526Kacl

(c) -170Kacl

(d) -526Kacl

Concept Questions :-

Ionization Energy (IE)
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which of the following characteristics regarding halogens is not correct?

(a) Ionization energy decreases with increases in atomic number

(b) Electronegativity decreases with increases in atomic number

(c) Electron affinity decreases with increases in atomic number

(d) Enthalpy of fusion increases with increases in atomic number

Concept Questions :-

Electron Affinity (EA)
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The process requiring the absorption of energy is :

(a) $F\to {F}^{-}$

(b) $H\to {H}^{-}$

(c) $Cl\to C{l}^{-}$

(d) $O\to {O}^{2-}$

Concept Questions :-

Electron Affinity (EA)
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Consider the following statements:

(I) Rutherford name was associated with the development of periodic table.

(II) A metal M having electronic configuration  is d-block element.

(III) Diamond is not an element.

(IV) The electronic configuration of the most electronegative elements is  and select the correct one from the given codes.

(A) I, II, IV                                      (B) I, II, III, IV

(C) II, IV                                         (D) I, III, IV

Concept Questions :-

History
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

There are four elements 'p', 'q', 'r' and 's' having atomic number Z-1, Z, Z+1 and Z+2 respectively. If there element 'q' is an inert gas, select the correct answers from the following statements.

(i) 'p' has most negative electron gain enthalpy in the respective period.

(ii) 'r' is an alkali metal.

(iii) 's' exists in +2 oxidation state.

(A) (i) and (ii)                      (B) (ii) and (iii)

(C) (i) and (iii)                     (D) (i), (ii) and (iii)

Concept Questions :-

History
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which of the following orders is correct for the size?

(1) $M{g}^{2+}

(2) $A{l}^{3+}

(3) $F{e}^{4+}

(4) $Mg>Al>Si>P$

(A) (1), (2) & (3)                          (B) (2), (3) & (4)

(C) (1), (3) & (5)                          (D) (1), (2), (3) & (4)

Concept Questions :-

Atomic Size