Chemistry · 2024
JEE Main · 1 February 2024, Shift 1 · Q90
The number of white coloured salts, among the following is ____. (a) SrSO_4 (b) Mg ( NH_4) PO_4 (c) BaCrO_4 (d) Mn ( OH )_2 (e) PbSO_4 (f) PbCrO_4…
The number of white coloured salts, among the following is $\displaystyle \_\_\_\_$.
(a)
$\displaystyle \mathrm{SrSO}_4$
(b)
$\displaystyle \mathrm{Mg}\left(\mathrm{NH}_4\right) \mathrm{PO}_4$
(c)
$\displaystyle \mathrm{BaCrO}_4$
(d)
$\displaystyle \mathrm{Mn}(\mathrm{OH})_2$
(e)
$\displaystyle \mathrm{PbSO}_4$
(f)
$\displaystyle \mathrm{PbCrO}_4$
(g)
AgBr
(h)
$\displaystyle \mathrm{PbI}_2$
(i)
$\displaystyle \mathrm{CaC}_2 \mathrm{O}_4$
(j) $\displaystyle \left[\mathrm{Fe}(\mathrm{OH})_2\left(\mathrm{CH}_3 \mathrm{COO}\right)\right]$
Official answer
From NTA’s final answer key for this paper.
5
More from Qualitative Salt Analysis
- Consider the following test for a group-IV cation. M^2++H_2 S → A( Black precipitate )+ byproduct; A+ aqua regia → B+NOCl+S+H_2 O; B+KNO_2+CH_3 COOH…2024
- Molar mass of the salt from NaBr, NaNO_3, KI and CaF_2 which does not evolve coloured vapours on heating with concentrated H_2 SO_4 is ____ g mol^-1.…2024
- Match List I with List II Choose the correct answer from the options given below:2024
- Consider the following reactions Na_2 B_4 O_7 →Δ 2 X+Y; CuSO_4+Y → Non-Luminous flame Z+SO_3; 2 Z+2 X+ Carbon → Luminous flame 2 Q+Na_2 B_4 O_7+CO…2026
- In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to:2024
- When a salt is treated with sodium hydroxide solution it gives gas X. On passing gas X through reagent Y a brown coloured precipitate is formed. X…2025
- Consider the following reactions. PbCl_2+K_2 CrO_4 → A+2 KCl (Hot solution) A+NaOH ⇌ B+Na_2 CrO_4; PbSO_4+4 CH_3 COONH_4 →(NH_4)_2 SO_4+X In the…2026
- Consider three metal chlorides x, y and z, where x is water soluble at room temperature, y is sparingly soluble in water at room temperature and z is…2026
JEE Main 2024 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.