JEE MAIN - Chemistry (2020 - 8th January Evening Slot - No. 8)
Complexes (ML5) of metals Ni and Fe have
ideal square pyramidal and trigonal
bipyramidal grometries, respectively. The sum
of the 90°, 120° and 180° L-M-L angles in the
two complexes is ________.
Answer
20
Explanation
_8th_January_Evening_Slot_en_8_1.png)
$$\angle $$90o = 6
$$\angle $$120o = 3
$$\angle $$180o = 1
Total = 10
_8th_January_Evening_Slot_en_8_2.png)
$$\angle $$90o = 8
$$\angle $$180o = 2
Total = 10
$$ \therefore $$ Total number of 180o, 90o and 120o L-M-L bond angles = 10 + 10 = 20
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