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JEE Main Test 98
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JEE Main Test 98
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  • Question 1/10
    4 / -1

    Paramagnetism is exhibited due to which one of the following reason?

    Solutions

    Paramagnetism is exhibited due to the presence of unpaired electrons in the species.

     

  • Question 2/10
    4 / -1

    Cerium (Z= 58) is an important member of the lanthanides. Which of the following statements about cerium is incorrect ?

    Solutions

    Cerium exhibits three oxidation states, +2, +3 and +4. But +2 state is rare observed in some organometallic complexes. Hence the common oxidation states of cerium are +3 and +4.

     

  • Question 3/10
    4 / -1

    The IUPAC name for the complex [Co(NO2 )(NH3 )5]Cl2 is

    Solutions

    The IUPAC name of the complex [CO(NO)2(NH3)5]Cl2 is pentaamminenitrito – N – Cobalt(111) chloride.

     

  • Question 4/10
    4 / -1

    Identify C in the following reaction,

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  • Question 5/10
    4 / -1

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  • Question 6/10
    4 / -1

    Solutions

     

  • Question 7/10
    4 / -1

    Power alcohol is a mixture of

    Solutions

    Ethanol is used to generate power, as an additive to motor fuel to act as fule for internalcobustion engine is called power alcohol, it has generally 80% of petrol and 20% of ethnol in the presence of small quantity of benzene.

     

  • Question 8/10
    4 / -1

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  • Question 9/10
    4 / -1

    If linear function f(x) and g(x) satisfy

    Solutions

     

  • Question 10/10
    4 / -1

    The composition of malachite is

    Solutions

    The chemical formula of malachite is Cu2CO3(OH)2. Hence the composition is CuCO3.Cu(OH)2.

     

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