Chemistry · 2023
JEE Main · 1 February 2023, Shift 1 · Q42
Which of the following are the example of double salt? A. FeSO_4.( NH_4)_2 SO_4.6 H_2 O B. CuSO_4.4 NH_3. H_2 O C. K_2 SO_4 · Al_2( SO_4)_3 · 24 H_2…
Which of the following are the example of double salt?
A. $\displaystyle \mathrm{FeSO}_4 .\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 .6 \mathrm{H}_2 \mathrm{O}$
B. $\displaystyle \mathrm{CuSO}_4 .4 \mathrm{NH}_3 . \mathrm{H}_2 \mathrm{O}$
C. $\displaystyle \mathrm{K}_2 \mathrm{SO}_4 \cdot \mathrm{Al}_2\left(\mathrm{SO}_4\right)_3 \cdot 24 \mathrm{H}_2 \mathrm{O}$
D. $\displaystyle \mathrm{Fe}(\mathrm{CN})_2 .4 \mathrm{KCN}$
Choose the correct answer
Official answer
From NTA’s final answer key for this paper.
(1)
A and C only
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.