Below given orders are for electron affinity of different elements- How many of the orders are correct- - - - - - - - - - - - - - - - - -i -He- 2s22p5 - -He- 2s22p4ii -Ne- 3s23p5 - -Ne- 3s23p6iii -Ne- 3s23p5 - -He- 2s22p5iv -Ar- 4s24p5 - -Ar- 4s2

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Standard XII

Chemistry

Electronegativity

Below given o...

Question

Below given orders are for electron affinity of different elements. How many of the orders are correct?

नीचे दिए गए क्रम विभिन्न तत्वों की इलेक्ट्रॉन बन्धुता के लिए हैं। इनमें से कितने क्रम सही हैं?

(i) [He] 2s²2p⁵ > [He] 2s²2p⁴

(ii) [Ne] 3s²3p⁵ > [Ne] 3s²3p⁶

(iii) [Ne] 3s²3p⁵ > [He] 2s²2p⁵

(iv) [Ar] 4s²4p⁵ > [Ar] 4s²

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Solution

The correct option is B 4
Solution

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Similar questions

Q. The electronic configurations of four elements are given below. Arrange these elements in the correct order of magnitude (without sign) of their electron affinity.

(i)

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

(i i)

3 s^{2} 3 p^{5}

(i i i)

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

(i v)

3 s^{2} 3 p^{4}

Select the correct answer using the codes given below.

Q. Following are the configuration of

4

atoms.
P

= [N e] 3 s^{2} 3 p^{3}

= [A r] 3 d^{10} 4 s^{2} 4 p^{3}

= [H e] 2 s^{2} 2 p^{5}

= [N e] 3 s^{1}

Incorrect statement is:

Q. I=

H e

II=

N e

III=

A r

IV=

K r

Decreasing order of melting point of compound I-IV follows:

Q. The correct order of solubility in water for

H e, N e, A r, K r, X e

is:

Gases posses charcteristic critical temperature which depends upo the magnitude of intermolecular forces between the particles. Following are the critical temperatures of some gases.

$\begin{matrix} G a s e s & H_{2} & H e & O_{2} & N_{2} C r i t i c a l t e m p e r a t u r e i n K e l v i n & 33.2 & 5.3 & 154.3 & 126 \end{matrix}$

From the above data what would be the order of liquefaction of these gases? Start writing the order from the gas liquefying first

(a) $H_{2}, H e, O_{2}, N_{2}$ (b) $H e, O_{2}, H_{2}, N_{2}$

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The correct option is B 4Solution

The correct option is B 4
Solution