Q. Chlorofluorocarbon (CFC) is non-toxic and non-flammable was said by chemist

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Q. Chlorine reacts with cold hydroxides ions in a disproportionation reaction and results in

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Q. Halogenated hydrocarbons are used in

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Q. Upon reaction of Cl₂(aq) and H₂O (l), HCl and HClO (aq) is formed, resulting in the killing of

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Q. In chlorination of water, reactive oxygen atoms are produced by

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Q. Oxidation of hydrogen halides (HF, HCl, HBr, HI) becomes

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Q. Sulfuric acid is manufactured with the help of

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Q. In the periodic table, element in the second row of transition elements beneath titanium is

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Q. Elements found in D-block of the periodic table are known as

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Q. Each transition element have more than one

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Q. Transition elements are

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Q. Oxidation state +2 is obtained by losing 2 electrons from

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Q. The transition elements are all

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Q. In transition elements atoms after filling 4s-orbital, the rest of electrons reside in

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Q. D-block element forms one or more stable ions in the d-subshell which is

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Q. Higher oxidation states are generally found in compounds of

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Q. Zinc (Zn) forms only one ion (Zn⁺²) by completing its

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Q. The systemic name for early anesthetic, chloroform is

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Q. The alkanes whose one or more atoms are replaced by halogen atoms are called

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Q. Halogens are present in group

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