Preparation of Bromine and Iodine
Trending Questions
- carbon dioxide
- chlorine
- iodine
- sulphur dioxide.
H2S can be oxidised to S
SO2−3 can be oxidised to SO2−4
I− can be oxidised to I2
- None of the above
Iodine is formed when potassium iodide reacts with:
ZnSO4
CuSO4
Cl2
Br2
Thyroxine, a hormone produced in the thyroid gland in humans, contains:
Fluorine
Bromine
Iodine
Chlorine
- carbon dioxide
- chlorine
- iodine
- sulphur dioxide.
- Green Cr2(SO4)3 is formed
- The solution turns blue
- The solution is decolourized
- SO2 is reduced
- ZnSO4
- CuSO4
- (NH4)2SO4
- Na2SO4
Iodine is formed when potassium iodide reacts with:
ZnSO4
CuSO4
Cl2
Br2
- blue
- red
- colourless
- yellow
(I)I2/NaOH(II)KMnO4/H⊕(III)Tollen's reagent(IV)LiAlH4(V)NaBH4
(VI)NH2−NH2/NaOH
- ZnSO4
- CuSO4
- Cl2
- Br2
Iodine is formed when potassium iodide reacts with:
ZnSO4
CuSO4
Cl2
Br2
Which one of the following elements, in its diatomic molecular state, has the least bond energy?
Fluorine
Chlorine
Bromine
Iodine
- Na2SO3
- Na2S2O3
- NaCl
- NaOH
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
|
Column I |
Column-II |
|
(P) |
CuSO4 |
(1) |
Na2S4O6 |
(Q) |
HCl |
(2) |
S |
(R) |
H2SO4 |
(3) |
SO2 |
(S) |
I2 |
(4) |
Oxidised |
(5) |
Reduced |
- P(4); Q(1, 5); R(2, 3); S(2)
- P(1, 4); Q(2, 3); R(2, 3); S(1, 5)
- P(3, 5); Q(1, 3); R(2, 4, 5); S(1, 2, 3)
- P(2, 4); Q(3, 4); R(1, 4); S(2, 3)
- carbon dioxide
- chlorine
- iodine
- sulphur dioxide.
Which one of the following elements, in its diatomic molecular state, has the least bond energy?
Chlorine
Bromine
Fluorine
Iodine
- H2SO4
- K2Cr2O7
- KMnO4
- None of the above
- Calcium oxychloride
- Sodium thiosulphate
- Sodium oxalate
- Sodium nitrite
- redox reaction
- disproportionation reaction
- only oxidation reaction
- both ( A ) and ( B )
Thyroxine, a hormone produced in the thyroid gland in humans, contains:
Fluorine
Bromine
Iodine
Chlorine
- SO2(g)+12O2(g)⇋SO3(g)
- N2(g)+3H2(g)⇋2NH3(g)
- 2HI(g)⇋H2(g)+I2(g)
- C(graphite)+CO2(g)⇋2CO(g)
- ZnSO4
- CuSO4
- FeSO4
- (NH4)2SO4
Thyroxine, a hormone produced in the thyroid gland in humans, contains:
Fluorine
Bromine
Iodine
Chlorine
Which one of the following elements, in its diatomic molecular state, has the least bond energy?
Fluorine
Chlorine
Bromine
Iodine
- Oxidation method
- Action of hot HI
- Lucas reagent
- Both A and C