1
JEE Advanced 2024 Paper 2 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language
The compound(s) having peroxide linkage is(are)
A
$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7$
B
$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8$
C
$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_5$
D
$\mathrm{H}_2 \mathrm{SO}_5$
2
JEE Advanced 2022 Paper 2 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language
The compound(s) which react(s) with $\mathrm{NH}_{3}$ to give boron nitride (BN) is(are)
A
$\mathrm{B}$
B
$\mathrm{B}_{2} \mathrm{H}_{6}$
C
$\mathrm{B}_{2} \mathrm{O}_{3}$
D
$\mathrm{HBF}_{4}$
3
JEE Advanced 2021 Paper 2 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language
The correct statement(s) related to oxoacids of phosphorous is(are)
A
Upon heating, H3PO3 undergoes disproportionation reaction to produce H3PO4 and PH3.
B
While H3PO3 can act as reducing agent, H3PO4 cannot.
C
H3PO3 is a monobasic acid.
D
The H atom of P-H bond in H3PO3 is not ionizable in water.
4
JEE Advanced 2020 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).
A
The hypochlorite ion is the strongest conjugate base.
B
The molecular shape of only chlorate ion is influenced by the lone pair of electrons of Cl.
C
The hypochlorite and chlorate ions disproportionate to give rise to identical set of ions.
D
The hypochlorite ion oxidises the sulphite ion.
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