1
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For a sparingly soluble salt $$\mathrm{AB}_2$$, the equilibrium concentrations of $$\mathrm{A}^{2+}$$ ions and $$B^{-}$$ ions are $$1.2 \times 10^{-4} \mathrm{M}$$ and $$0.24 \times 10^{-3} \mathrm{M}$$, respectively. The solubility product of $$\mathrm{AB}_2$$ is :

A
$$0.069 \times 10^{-12}$$
B
$$0.276 \times 10^{-12}$$
C
$$6.91 \times 10^{-12}$$
D
$$27.65 \times 10^{-12}$$
2
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I LIST II
A. $$\mathrm{K}_2\left[\mathrm{Ni}(\mathrm{CN})_4\right]$$ I. $$sp^3$$
B. $$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$$ II. $$sp^3d^2$$
C. $$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3$$ III. $$dsp^2$$
D. $$\mathrm{Na}_3\left[\mathrm{CoF}_6\right]$$ IV. $$d^2sp^3$$

Choose the correct answer from the options given below:

A
A-III, B-II, C-IV, D-I
B
A-III, B-I, C-II, D-IV
C
A-I, B-III, C-II, D-IV
D
A-III, B-I, C-IV, D-II
3
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I
(Test)
LIST II
(Observation)
A. $$\mathrm{Br_2}$$ water test I. Yellow orange or orange red precipitate formed
B. Ceric ammonium nitrate test II. Reddish orange colour disappears
C. Ferric chloride test III. Red colour appears
D. 2, 4 - DNP test IV. Blue, Green, Violet or Red colour appear

Choose the correct answer from the options given below:

A
A-II, B-III, C-IV, D-I
B
A-III, B-IV, C-I, D-II
C
A-I, B-II, C-III, D-IV
D
A-IV, B-I, C-II, D-III
4
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement about Glucose is :

A
Glucose remains in multiple isomeric form in its aqueous solution
B
Glucose is soluble in water because of having aldehyde functional group
C
Glucose is an aldohexose
D
Glucose is one of the monomer unit in sucrose
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12