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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Which of the following has maximum number of unpaired d electrons :
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- Draw lewis structure of ammonium ion .
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- Express 1271 in roman numbers.
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- Which of the following statements are correct?
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- In which of the following reactions conc. H2SO4 is used as an oxidisin...
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- Which of the following statements are true?
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- Match the compounds given in Column I with the hybridisation and shape...
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- Express 1657 in roman numbers.
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- Express 1272 in roman numbers.
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- Match the species given in Column I with the shape given in Column I...
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- Express 1273 in roman numbers.
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- In the following questions a statement of assertion followed by a stat...
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- Assertion : HNO3 makes iron passive. Reason : HNO3 forms a protective ...
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- Unlike HCl, why HBr cannot be prepared by the action of concentrated s...
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- Assertion : Both rhombic and monoclinic sulphur exist as S8 but oxygen...
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- Which of the following reacts with NaNO2 + HCl at 273-278 K to give al...
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- Assertion : SF6 cannot be hydrolysed but SF4 can be. Reason : Six F at...
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- Which halogen has a tendency to form cations?
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- Give the disproportionation reaction of H3PO3.
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- Why ICI is more reactive than I2 ?
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