Consider ' n ' is the number of lone pair of electrons present in the equatorial position of the most stable structure of ClF_3 . The ions from the following with ' n ' number of unpaired electrons are A. V^ 3+ B. Ti^

Correct answer: B. A, D and E Only ClF_3 n=2( No of lone pair present in equitorial plane ) (Unpaired e^ - ) (A) V^ +3 :[Ar] 3 ~d^2 2 (B) Ti^ 3+ :[Ar] 3 ~d^1 1 (C) Cu^ +2 :[Ar] 3 ~d^9 1 (D) Ni^ +2 :[Ar] 3 ~d^8 2 (E) Ti^ +2 :[Ar] 3 ~d^2 2

JEE Main 202528 JanuaryMorning Shift

Exam: JEE Main
Year: 2025
Date: 28 January
Shift: Morning Shift
Subject: Chemistry
Chapter: d and f Block Elements

JEE Main 2025 · 28 January · Morning Shift · Chemistry · d and f Block Elements

Consider ' n ' is the number of lone pair of electrons present in...

Consider '

n

' is the number of lone pair of electrons present in the equatorial position of the most stable structure of

\mathrm{ClF}_3

. The ions from the following with '

n

' number of unpaired electrons are A.

\mathrm{V}^{3+}

\mathrm{Ti}^{3+}

\mathrm{Cu}^{2+}

\mathrm{Ni}^{2+}

\mathrm{Ti}^{2+}

Choose the correct answer from the options given below: Consider ' n ' is the number of lone pair of electrons present in the equatorial position of the most stable structure

Consider ' n ' is the number of lone pair of electrons present in the equatorial position of the most stable structure

Options

AA and C Only
BA, D and E Only
CB and D Only
DB and C Only

Correct answer

B. A, D and E Only

Step-by-step solution

\mathrm{ClF}_3

\mathrm{n}=2(

No of lone pair present in equitorial plane

)

(Unpaired

\mathrm{e}^{-}

) (A)

\mathrm{V}^{+3}:[\mathrm{Ar}] 3 \mathrm{~d}^2 \quad 2

(B)

\mathrm{Ti}^{3+}:[\mathrm{Ar}] 3 \mathrm{~d}^1 \quad 1

(C)

\mathrm{Cu}^{+2}:[\mathrm{Ar}] 3 \mathrm{~d}^9 \quad 1

(D)

\mathrm{Ni}^{+2}:[\mathrm{Ar}] 3 \mathrm{~d}^8 \quad 2

(E)

\mathrm{Ti}^{+2}:[\mathrm{Ar}] 3 \mathrm{~d}^2 \quad 2

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