Which of the following statements is true?
1 SO2 bleaches by reduction.
2 Cl2 bleaches by oxidation.
3 O3 bleaches by oxidation.
4 All of the above.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHl cannot be prepared by the action of Kl and H2SO4 because
1. Hl is a much weaker acid than H2SO4
2. Hl gets oxidized by H2SO4 to form l2
3. H2SO4 is a dehydrating reagent.
4. Hl is less volatile than H2SO4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | NaCl reacts with concentrated H2SO4 to give colourless fumes with a pungent smell. But on adding MnO2, the fumes become greenish-yellow. |
Reason (R): | MnO2 oxidizes HCl to chlorine gas which is greenish-yellow. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIncorrect order among the following is:
1. | F2 > Cl2 > Br2 > I2 | Oxidising power |
2. | F < Cl > Br > I | Electron gain enthalpy |
3. | F2 > Cl2 > Br2 > I2 | Bond dissociation energy |
4. | F> Cl > Br > I | Electronegativity |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the anhydride of HClO4?
1. Cl2O
2. ClO2
3. Cl2O7
4. Cl2O6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | The atomic size of F is smaller than that of Cl. |
Reason (R): | F-F bond is stronger than the Cl-Cl bond. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich halogen produces O2 when combined with hot concentrated NaOH?
1. F2
2. Cl2
3. Br2
4. l2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat order does the stability of interhalogen compounds follow?
1. IF3 > BrF3 > CIF3
2. BrF3 > IF3 > ClF3
3. ClF3 > BrF3 > IF3
4. ClF3 > IF3 > BrF3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhy does fluorine not produce oxyacids?
1. It is most electronegative
2. It is the most powerful oxidising agent
3. It has vacant d- orbitals
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology