Q1. A yellow monoxide that dissolves in hot and conc. alkali.

Lead Hydroxide

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Magnesium oxide

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Lead Oxide

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Lead Peroxide

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Solution

The correct option is C
Lead Oxide

Lead Oxide is the yellow monoxide which dissolves in hot and conc. alkali solution.
The reaction of Lead oxide with hot and conc. alkali $NaOH$ is:
$\underset{Lead oxide}{{PbO}_{2}} + \underset{Sodium hydroxide}{NaOH} \to \underset{Sodium hexahydroxoplumbate}{{Na}_{2} [{PbO}_{2}]} + \underset{Water}{H_{2} O}$
Thus option C is the correct choice.

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Similar questions

______ (Carbon dioxide/Carbon monoxide) gas dissolves in water to form carbonic acid.

Name a yellow monoxide that dissolves in hot and concentrated caustic alkali.

Name:
(a) A yellow monoxide that dissolves in hot and concentrated alkali.
(b) A white insoluble oxide that dissolves when fused with caustic soda or caustic potash.

Name:

(a) A yellow monoxide that dissolves in hot and concentrated caustic alkali.

(b) A white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.

Q2.

(a) Name a yellow monoxide that dissolves in hot and concentrated alkali. Give equation

(b) Name a white insoluble oxide that dissolves when fused with caustic soda or caustic potash.

(d) Identify the blue solution that turns deep blue on addition of excess of ${NH}_{4} OH$ .

(e) Name the hydroxide which is soluble in excess of ammonium hydroxide.

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Q1. A yellow monoxide that dissolves in hot and conc. alkali.

The correct option is C Lead OxideLead Oxide is the yellow monoxide which dissolves in hot and conc. alkali solution.The reaction of Lead oxide with hot and conc. alkali NaOH is:PbO2Leadoxide+NaOHSodiumhydroxide→Na2[PbO2]Sodiumhexahydroxoplumbate+H2OWaterThus option C is the correct choice.