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Question

IUPAC name of [CrCl2(NH3)4]NO3 is:

A
tetraamminedichlorochromium(I) nitrate
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B
dichloro tetraamminechromium(III) nitrate
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C
tetraammine dichlorochromium(IV) nitrate
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D
tetraamminedichlorochromium(III) nitrate
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Solution

The correct option is D tetraamminedichlorochromium(III) nitrate
IUPAC name of [CrCl2(NH3)4]NO3 is
tetraamminedichlorochromium(III) nitrate.

The prefix tetra indicates the presence of 4 ammonia ligands. The prefix di indicate the presence of two chloro ligands.

The names of ligands are written in alphabetical order. The oxidation state of chromium is written in roman numerals in parenthesis.
Option D is correct.

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