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Chemistry · 2018
JEE Main 2018 · 2018-04-08 Offline · Q50
Consider the following reaction and statements: [ Co ( NH_3)_4 Br_2]^++ Br^- →[ Co ( NH_3)_3 Br_3]+ NH_3 (I) Two isomers are produced if the reactant…
Consider the following reaction and statements :
$\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Br}_2\right]^{+}+\mathrm{Br}^{-} \rightarrow\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_3 \mathrm{Br}_3\right]+\mathrm{NH}_3$
(I)
Two isomers are produced if the reactant complex ion is a cis-isomer.
(II)
Two isomers are produced if the reactant complex ion is a trans-isomer.
(III)
Only one isomer is produced if the reactant complex ion is a trans-isomer.
(IV)
Only one isomer is produced if the reactant complex ion is a cis-isomer.
The correct statements are :
Official answer
(2)
(I) and (III)
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JEE Main 2018 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.