The p-Block Elements

Bihar Board Class 12 · Chemistry · 73 past questions

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1. Q52 2018

   Mercuric chloride reacts with ammonia gas and forms white precipitate. The molecular formula of white…

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2. Q53 2018

   Which of the following gives yellow or brown precipitate with alkaline Nessler's reagent.

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3. Q54 2018

   Most stable oxidation state of Bismuth is-

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4. Q55 2018

   Which metal nitrate gives colorless gas on thermal decomposition?

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5. Q56 2018

   Nitrogen forms only $NCl_3$ but phosphorous forms $PCl_3$ and $PCl_5$ both. Explain.

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6. Q59 2018

   Write the chemical reaction of $NH_3$ gas with aqueous $CuSO_4$ and $AgNO_3$ solutions respectively.

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