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Chemistry Test ...

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  • Question 1
    4 / -1

    The ionisation energy of hydrogen in ground state is X kJ. The energy required for an electron to jump from the second orbit to the third orbit is

  • Question 2
    4 / -1

    Directions For Questions

    Directions: Consider the different types of hybridisations listed below.

    dsp2, sp3d, dsp3 and sp3d2

    They have at least one 90° angle between the bond pair-bond pair electrons involved in the respective structures.

    ...view full instructions

    Which of the following hybridisations has the maximum number of 90° angles between its bond pair-bond pair electrons?

  • Question 3
    4 / -1

    For the coagulation of ferric hydroxide solution, what will be the increasing order of effectiveness of the given electrolytes?

    (A) SnCl4

    (B) CaSO4

    (C) AlPO4

    (D) K4Fe(CN)6

  • Question 4
    4 / -1

    Which of the following is paramagnetic?

  • Question 5
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    Sulphur reacts with chlorine in the ratio 1 : 2 and forms X. Hydrolysis of X gives a sulphur compound Y. What are the structure and hybridisation of anion of Y?

  • Question 6
    4 / -1

    Hydrolysis of the ozonide of 2-butene gives

  • Question 7
    4 / -1

    Which of the following sequences of reactions (reagents) can be used for the conversion of C6H5CH2CH3 into C6H5CH = CH2?

  • Question 8
    4 / -1

    Compound 'A', on heating with ammonia, gives compound 'B' which on treating with conc. H2SO4 gives compound 'C'. This compound 'C' on reduction gives ethyl amine. What is compound 'A'?

  • Question 9
    4 / -1

    Which of the following statements are true?

    (A) Sucrose is a non-reducing sugar.

    (B) Glucose is oxidised by bromine water.

    (C) Glucose rotates plane polarised light in the clockwise direction.

    (D) Fructose is oxidised by bromine water.

  • Question 10
    4 / -1

    The number of P-O-P bridges in the structures of phosphorus pentoxide and phosphorus trioxide is

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