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The correct of decreasing second ionisat...

The correct of decreasing second ionisation enthalpy of `Ti(22),V(23),Cr(24)` and `Mn(25)` is

A

`Ti gt V gt Cr gt Mn`

B

`Cr gt Mn gt V gt Ti`

C

`V gt Mn gt Cr gt Ti`

D

`Mn gt Cr gt Ti gt V`

Text Solution

Verified by Experts

The correct Answer is:
B
Ionisation energy from left to right in a period increases. In all the ions the `2^(nd)` electro are being eliminated from 4s orbital
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 3
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  3. Which of the following is the strongest oxidising agent ?

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  4. Which one of the following electronic configuration of an atom has the...

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  5. The stability of +1 oxidation state increases in the sequence :

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  6. Which of the following represents the correct order of increasing elec...

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  7. Among the following which has the highest cation to anion size ratio ...

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  8. Among the following Ca ,Mg, P and CI the order of increasing atomic ra...

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  9. The first ionisation potential of Na is 5.1eV. The value of eectrons g...

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  10. which of the following oxide is amphoteric ?

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  11. Which of the following lanthanoids ions is diamagnetic?

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  12. Which of the following orders of ionic radii is correctly represented?

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  13. Be^(2+) is isoelectronic with which of the following ions ?

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  14. The species Ar,K^(+) and Ca^(2+) contain the same number of electrons....

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  15. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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  16. In which of the following options the order arrangement does not agree...

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  17. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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