Download App

JEE Main 2-April-2025 Paper - Shift 1 — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEEJEE Main 2-April-2025 Paper - Shift 14 Marks
MCQ
Choose the correct tests with respective observations.
(A) $CuSO _4$ (acidified with acetic acid) + $K _4\left[ Fe ( CN )_6\right] \rightarrow$ Chocolate brown precipitate.
(B) $FeCl _3+ K _4\left[ Fe ( CN )_6\right] \rightarrow$ Prussian blue precipitate.
(C) $ZnCl _2+ K _4\left[ Fe ( CN )_6\right]$, neutralised with $NH _4 OH$ $\rightarrow$ White or bluish white precipitate.
(D) $MgCl _2+ K _4\left[ Fe ( CN )_6\right] \rightarrow$ Blue precipitate.
(E) $BaCl _2+ K _4\left[ Fe ( CN )_6\right]$, neutralised with NaOH $\rightarrow$ White precipitate.
Choose the correct answer from the options given below:
  • A
    A, D and E only
  • B
    B, D and E only
  • ✓
    A, B and C only
  • D
    C, D and E only
✓

Answer

Correct option: C.
A, B and C only
(C) A, B and C only
Explanation:
Image

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "SECTION - A [CHEMISTY - MCQ]" from JEE Main 2-April-2025 Paper - Shift 1→JEE Main 2-April-2025 Paper - Shift 1 — all question types→JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The correct statement about $ICl_5$ and $ICl_4^-$ is
→
Only $2 \mathrm{~mL}$ of $\mathrm{KMnO}_4$ solution of unknown molarity is required to reach the end point of a titration of $20 \mathrm{~mL}$ of oxalic acid ($2$ M) in acidic medium. The molarity of $\mathrm{KMnO}_4$ solution should be . . . . . . . . . $M$.
→
The solubility product of $AgCl$ is $10^{-10}\, M^2$. The minimum volume (in $m^3$) of water required to dissolve $14.35\, mg$ of $AgCl$ is approximately
→
The percentage of nitrogen in urea is about
→
$pH$ of a solution of $10\,ml$. $1\,N $ sodium acetate and $50\,ml$ $2\,N$  acetic acid $({K_a} = 1.8 \times {10^{ - 5}}),$ is approximately
→
Which of the given reactions is not an example of disproportionation reaction?
→
Which of the following binary mixture does not show the behaviour of minimum boiling azeotropes?
→
Total No. of stereoisomers of $B$ are ?
→
Arrange the following compounds in increasing order of their reactivity towards $HCN$

$(I)$ Acetaldehyde

$(II)$ Acetone

$(III)$ Di-tert-butylketone

$(IV)$ Methyl-tert-butyl ketone

→
Among the given compounds, the correct dehydration order is :
→