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Standard XII

Chemistry

Introduction to Alkaline Earth Metals

The electroni...

Question

The electronic structure of four element a, b, c and d are
(i) $1 s^{2}$
(ii) $1 s^{2}, 2 s^{2}$
(iii) $1 s^{2}, 2 s^{2} 2 p^{5}$
(iv) $1 s^{2}, 2 s^{2} 2 p^{6}$
The tendency to form bond is greatest in:

(i)

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(ii)

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(iii)

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(iv)

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Solution

The correct option is C (iii)
In i,ii and iv s-orbital and p orbital are completely filled so they have stable configuration and have no tendency to gain electron while in (iii) the two p orbitals are doubly filled while one orbital is singly filled so it has the greatest tendency to gain one electron and have 6 electrons in p orbital to become stable.

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Similar questions

Q. The electronic arrangements of four elements i, ii, iii, iv are:
(i)

1 s^{2}

(ii)

1 s^{2} 2 s^{2} 2 p^{2}

(iii)

1 s^{2} 2 s^{2} 2 p^{5}

(iv)

1 s^{2} 2 s^{2} 2 p^{6}

The tendency to form ionic bond is maximum in:

Q. The electronic configuration of four elements is given below. Which has the tendency to form covalent as well as ionic bonds?

Q. Electronic configurations of four elements

A, B, C

and

D

are given below:
(A)

1 s^{2} 2 s^{2} 2 p^{6}

(B)

1 s^{2} 2 s^{2} 2 p^{4}

(C)

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}

(D)

1 s^{2} 2 s^{2} 2 p^{5}

Which of the following is the correct order of increasing tendency to gain electron?

Q. Match the elements with the number of electrons present in their L-shell.

\begin{matrix} Elements & Electrons in L-shell (a) Hydrogen & (i) 8 (b) Nitrogen & (ii) 0 (c) Lithium & (iii) 1 (d) Neon & (iv) 5 \end{matrix}

Electronic configuration of four elements A, B, C, and D are given below
A. $1 s^{2} 2 s^{2} 2 p^{6}$ B. $1 s^{2} 2 s^{2} 2 p^{4}$ C. $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}$
D. $1 s^{2} 2 s^{2} 2 p^{5}$
Whilch of the following is the correct order of increasing tendency to gain electron?
(a) A < C <B <D (b) A < B < C < D (c) D <B < C < A (d) D < A < B <C

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The electronic structure of four element a, b, c and d are(i) 1s2(ii) 1s2,2s2(iii) 1s2,2s22p5(iv) 1s2,2s22p6The tendency to form bond is greatest in:

The electronic structure of four element a, b, c and d are
(i) $1 s^{2}$
(ii) $1 s^{2}, 2 s^{2}$
(iii) $1 s^{2}, 2 s^{2} 2 p^{5}$
(iv) $1 s^{2}, 2 s^{2} 2 p^{6}$
The tendency to form bond is greatest in: