D And F Block Elements Question 13
Question 13 - 2024 (30 Jan Shift 1)
Match List-I with List-II
| List-I | List-II |
|---|---|
| Species | Electronic distribution |
| (A) $Cr^{+2}$ | (I) $3 d^{8}$ |
| (B) $Mn^{+}$ | (II) $3 d^{3} 4 s^{1}$ |
| (C) $Ni^{+2}$ | (III) $3 d^{4}$ |
| (D) $V^{+}$ | (IV) $3 d^{5} 4 s^{1}$ |
Choose the correct answer from the options given below:
(1) (A)-I, (B)-II, (C)-III, (D)-IV
(2) (A)-III, (B) - IV, (C) - I, (D)-II
(3) (A)-IV, (B)-III, (C)-I, (D)-II
(4) (A)-II, (B)-I, (C)-IV, (D)-III
Show Answer
Answer (2)
Solution
${ } _{24} Cr \rightarrow[Ar] 3 d^{5} 4 s^{1} ; Cr^{2+} \rightarrow[Ar] 3 d^{4}$
${ } _{25} Mn \rightarrow[Ar] 3 d^{5} 4 s^{2} ; Mn^{+} \rightarrow[Ar] 3 d^{5} 4 s^{1}$
${ } _{28} Ni \rightarrow[Ar] 3 d^{8} 4 s^{2} ; Ni^{2+} \rightarrow[Ar] 3 d^{8}$
${ } _{23} V \rightarrow[\operatorname{Ar}] 3 d^{3} 4 s^{2} ; V^{+} \rightarrow[\operatorname{Ar}] 3 d^{3} 4 s^{1}$
