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EA(1) values of the following elements h...

`EA_(1)` values of the following elements has positive value
(I) Be (II) Br (III) Mg (IV) Cl
The correct answer is

A

All are correct

B

only 1

C

only 2 and 3

D

only 1 and 4

Text Solution

Verified by Experts

The correct Answer is:
C
`H_2SO_4 & BF_3` with little amount of `H_2O`
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Knowledge Check

  • Which of the following elements has positive Delta_(eg)H ? (i) Mn (ii) Zn (iii) Cd (iv) Hg

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    `(i),(ii)`
    B
    `(i),(ii),(iii)`
    C
    `(i),(ii),(iii),(iv)`
    D
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  • Peeling of ozone umbrella is due to (I) PAN (II) Freons (III) CO_(2) (IV) NO The correct answer is

    A
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    B
    I,III,IV
    C
    I,II,IV
    D
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