NEET UG CHEMISTRY MCQ: S-BLOCK ELEMENTS

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Analyzing +4 | -1

Two metals ‘x’ and ‘y’ belong to the same group of S – block. ‘x’ forms a soluble sulphate but insoluble oxide, ‘y’ forms soluble oxide but insoluble sulphate x and y are respectively

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Correct option: A

Mg and Ba

Option A (Mg and Ba) is correct because Magnesium forms a soluble sulfate but an insoluble oxide, while Barium forms a soluble oxide but an insoluble sulfate.

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Which of the following exists in polymeric form? If 5 moles of

\mathrm{BaCl}_{2}

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\mathrm{Na}_{3} \mathrm{PO}_{4}

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\mathrm{Ba}_{3}\left(\mathrm{PO}_{4}\right)_{2}

formed is ________ (Nearest integer) Alkali metal superoxides are obtained by the reaction of Pearl ash and caustic potash are chemically: When sodium chloride solution is electrolysed, the gas that is liberated at the cathode is What is product of reaction :

\underset {\text{(dilute)}}{Ba(OH)_2}+H_2O_2+ClO_2 \longrightarrow