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NEET UG Redox Reactions — practice questions — page 3

Explore 132 free Redox Reactions questions in NEET UG Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Redox Reactions questions and exercises with answers

Showing questions 61–90 of 132.

Balance the redox equationsRead the answer and worked solution →Which one does not belongRead the answer and worked solution →One word is wrongRead the answer and worked solution →Oxidant or reductantRead the answer and worked solution →Which releases electrons moreRead the answer and worked solution →Group by oxidation numberRead the answer and worked solution →Oxidation and reductionRead the answer and worked solution →Order the oxidation number rulesRead the answer and worked solution →Knock out the real definitionsRead the answer and worked solution →Redox bingoRead the answer and worked solution →Spot the false ruleRead the answer and worked solution →Key in the oxidation numberRead the answer and worked solution →Oxidised or reduced?Read the answer and worked solution →Balance the redox equationRead the answer and worked solution →How many valence electrons does each group 13 element have?Read the answer and worked solution →Which collective name is used for group 13 elements?Read the answer and worked solution →Which group 13 element is a metalloid rather than a metal?Read the answer and worked solution →Compounds of boron with hydrogen are calledRead the answer and worked solution →Aluminium oxide, Al2O3, is classed asRead the answer and worked solution →Which group 13 oxide is the most basic?Read the answer and worked solution →Group 13 halides usually have the general formulaRead the answer and worked solution →Which group 13 element is not soft?Read the answer and worked solution →Stability of the +1 state in heavy group 13 elements is due toRead the answer and worked solution →In boron and aluminium, the most stable oxidation state isRead the answer and worked solution →The two stable isotopes of boron areRead the answer and worked solution →Thallium is named after the colour of its spectral line, which isRead the answer and worked solution →Indium was named after a spectral line of which colour?Read the answer and worked solution →Gallium is named after which country?Read the answer and worked solution →The name boron comes from the word for which mineral?Read the answer and worked solution →The main ore of aluminium isRead the answer and worked solution →

Worked practice questions

Balance the redox equations

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Left
  1. Coefficient
    2
    Formula
    H2O2
Right
  1. Coefficient
    2
    Formula
    H2O
  2. Coefficient
    1
    Formula
    O2
Instructions
Set the coefficient on each formula until both sides balance.
_Source: syllabus Chemistry Part II, Ch 7 'Redox Reactions'_

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Which one does not belong

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Questions
  1. Items
    1. Combination
    2. Distillation
    3. Decomposition
    Odd item
    Distillation
  2. Items
    1. Metal swap
    2. Non-metal swap
    3. Melting point
    Odd item
    Melting point
  3. Items
    1. Adds hydrogen
    2. Adds oxygen
    3. Removes hydrogen
    Odd item
    Adds hydrogen
  4. Items
    1. Zinc
    2. Chlorine
    3. Copper
    Odd item
    Chlorine
Instructions
Tap the item that does not fit with the others.
_Source: syllabus Chemistry Part II, Ch 7 'Redox Reactions'_

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One word is wrong

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Questions
  1. Statement parts
    1. Oxidation
    2. is
    3. the
    4. gain
    5. of
    6. electrons
    Correction
    loss
    Incorrect part
    gain
  2. Statement parts
    1. A
    2. free
    3. element
    4. has
    5. oxidation
    6. number
    7. one
    Correction
    zero
    Incorrect part
    one
  3. Statement parts
    1. An
    2. oxidising
    3. agent
    4. donates
    5. electrons
    Correction
    accepts
    Incorrect part
    donates
  4. Statement parts
    1. Oxidation
    2. happens
    3. without
    4. reduction
    Correction
    always with
    Incorrect part
    without
Instructions
Tap the single word that makes the sentence false.
_Source: syllabus Chemistry Part II, Ch 7 'Redox Reactions'_

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