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DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise
- The dipoles moment of NF(3) is less than NH(3) because
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- Which one is incorrect
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- When orthophosphoric acid is heated to 600^(@)C the product formed is
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- PCl(3) reacts with water to form :
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- Nitrogen is relatively inactive element because
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- Nitrogen dioxide cannot be prepared by heating :
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- The number of hydrogen atoms attached to phosphorus atom in hypophosph...
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- Which of the following statements is not correct for nitrogen ?
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- Collectively the elements of group 15 are called
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- Chlorine upon reaction with NaOH in cold yields :
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- NH3 gas is dried over
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- Which of the following oxides of nitrogen is a coloured gas ?
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- The number of P-O-P bonds in cyclic metaphosphoric acid is.
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- Blue solid which is obtained on racting equimolar amounts of two gases...
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- Which of the following oxides is neutral ?
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- Ammonia on reaction with hypochlorite anion can form :
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- How many bonding electron pairs are there in white phosphorus ?
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- Producer gas is a mixture of :
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- One mole of magnesium nitride on reaction with an excess of water give...
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- One mole of calciium phosphide on reaction with excess water gives
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