Chemistry Test 52

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Chemistry Test 52

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Weekly Quiz Competition

Question 1
4 / -1

Increasing value of spin only magnetic moments of :-

(I) [Fe(CN)₆]^4–

(II) [Fe(CN)₆]^–3

(III) [Cr(NH₃)₆]³⁺

(IV) [Ni(H₂O)₄]²⁺

A
I < II < III < IV

B
IV < III < II < I

C
II < III < I < IV

D
I < II < IV < III
Question 2
4 / -1

Select the incorrect statement about silicate's :-

A
Beryl an example of cyclic silicate

B
In Pyrosilicate, only one oxygen atom shared

C
Formula of single chain silicate is (Si₂O₅)_n^-2n

D
In single chain silicate two oxygen atom are shared
Question 3
4 / -1

The electronic configuration of calcium ion (Ca²⁺) is :-

A
1s², 2s² 2p⁶, 3s² 3p⁶, 4s²

B
1s², 2s² 2p⁶, 3s² 3p⁶, 4s⁰

C
1s², 2s² 2p⁶, 3s² 3p⁶, 3d²

D
1s², 2s² 2p⁶, 3s² 3p⁶, 3d⁵
Question 4
4 / -1

Pick out the incorrect match of intermolecular attraction between molecule/ion in the following pairs

A
HBr and H₂S–Dipole-dipole attraction

B
Cl₂ and CBr₄–Dispersion force (london force)

C
NH₃ and C₆H₆–Hydrogen bond

D
I₂ and NO₃^––Ion-induced dipole attraction