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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe manganate and permanganate ions are tetrahedral, due to:
1. | The π-bonding involves the overlap of d-orbitals of oxygen with d-orbitals of manganese. |
2. | The π-bonding involves the overlap of p-orbitals of oxygen with d-orbitals of manganese. |
3. | Absence of π-bonding. |
4. | The π-bonding involves the overlap of p-orbitals of oxygen with p-orbitals of manganese. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen neutral or faintly alkaline is treated with potassium iodide, iodide ion is converted into 'X'. 'X' is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA gas that can readily decolorize an acidified KMnO4 solution is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySO2 is passed through an acidified K2Cr2O7 solution.
The correct statement among the following regarding the above experiment is:
1. The solution gets decolorized.
2. SO2 gets reduced.
3. Green coloured Cr2(SO4)3 gets formed.
4. The solution turns blue.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn acidic medium, H2O2 changes Cr2O7–2 to CrO5 which has two (–O – O–) bonds.
The oxidation state of Cr in CrO5 is:
1. +5
2. +3
3. +6
4. -10
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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 & Biology