Which among the following P-block elements fo | vedclass

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(A) Oxygen: Its hydride is water $(H_2O)$,which is a colourless,odourless liquid.Nitrogen: Its hydride is ammonia $(NH_3)$,which is colourless but has

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Oxygen

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(A) Oxygen: Its hydride is water $(H_2O)$,which is a colourless,odourless liquid.Nitrogen: Its hydride is ammonia $(NH_3)$,which is colourless but has a strong,pungent odour.Sulphur: Its hydride is hydrogen sulphide $(H_2S)$,which is colourless but has a distinct,rotten-egg smell.Selenium: Its hydride is hydrogen selenide $(H_2Se)$,which has an extremely unpleasant odour.Therefore,only oxygen forms a hydride that is both colourless and odourless.

Which among the following $P$-block elements forms a colourless and odourless hydride?

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