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Choose the correct option. Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are

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प्रश्न

Choose the correct option.

Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are

\[\begin{array}{cc} \ce{Cl^{{a}}}\phantom{.} \\/\phantom{...} \\ \ce{Ca}\phantom{......} \\ \backslash\phantom{..} \\\phantom{........} \ce{O-Cl^{{b}}}\phantom{.} \end{array}\]

विकल्प

  • zero in each

  • -1 in Cla and +1 in Clb

  • +1 in Cla and -1 in Clb

  • 1 in each

MCQ
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उत्तर

Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are -1 in Cla and +1 in Clb

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अध्याय 6: Redox Reactions - Exercises [पृष्ठ ९१]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 6 Redox Reactions
Exercises | Q 1. (A) | पृष्ठ ९१

संबंधित प्रश्न

Choose the correct option.

A compound contains atoms of three elements A, B, and C. If the oxidation state of A is +2, B is +5 and that of C is -2, the compound is possibly represented by


In which chemical reaction does carbon exhibit variation of oxidation state from - 4 to + 4? Write a balanced chemical reaction.


In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?


Calculate the oxidation number of the underlined atom.

H2SO4


Calculate the oxidation number of the underlined atom.

H3PO3


Calculate the oxidation number of the underlined atom.

Cr2O72−


Calculate the oxidation number of the underlined atom.

NaH2PO4


Identify the following pair of species is in its oxidized state.

Mg/Mg2+


Justify the following reaction as a redox reaction.

\[\ce{2Na_{(s)} + S_{(s)} -> Na2S_{(s)}}\]

Find out the oxidizing and reducing agents.


Provide the stock notation for the following compound:

MnO


The oxidation number of oxygen in peroxides is ____________.


Match the following.

Compound Oxidation no. of underlined element
i. \[\ce{\underline{C}_4H4O^{2-}_6}\] a. +2.5
ii. \[\ce{\underline{N}_3H}\] b. +1.5
iii. \[\ce{Mg2\underline{P}_2O7}\] c. +5
iv. \[\ce{Na2\underline{S}_4O6}\] d. `-1//3`

When methane undergoes combustion in air, the oxidation number of C ____________.


The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion is ______.


What is the oxidation number of Carbon in K2C2O4?


The oxidation state of phosphorous in Mg2P2O7 is ______.


Which among the following pair of elements show highest oxidation state +7 in their different compounds?


Carbon is present in highest oxidation number in ______.


The oxidation number of phosphorous in Ba(H2PO2)2 is ______.


What is the oxidation number of Cr in K2Cr2O7?


What is the oxidation state of chlorine atom in perchloric acid?


The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.


Which of the following explanation is correct about the given below reaction?

\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]


What is the average oxidation number of sulphur in tetrathionate ion?


Among group 16 elements, which one does not show −2 oxidation state?


Find CORRECT statement for following reaction.

\[\ce{2Ag+ + Cu -> 2Ag + Cu^2+}\]


Which of the following statements are INCORRECT?

  1. All the transition metals except scandium form MO oxides which are ionic.
  2. The highest oxidation number corresponding to the group number in transition metals oxides is attained in Sc2B5 to Mn2B7.
  3. Basic character increases from V2B5 to V2B4 to V2B5.
  4. V2B4 dissolves in acids to give VO43– salts.
  5. CrO is basic but Cr2B5 is atmospheric.

Choose the correct answer from the options given below:


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