Cl₂ is liberated from the cold hydrochloric acid by the action of:
(a) KMnO₄
(b) K₂MnO₄
(c) K₂Cr₂O₇
(d) K₂CrO₄
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5
hey mate ur ans is
c) k2CrO4
c) k2CrO4
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2
The halogens are sometimes considered with periodic table consisting of five chemically for related with elements.
This should be identified with new element that ranges with minimal soluble in water and consider with chlorine and bromine as well as courtrois.
This means that atoms are halogens and electrons have been most reactive followed by iodine.
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