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The correct statement with respect to di...

The correct statement with respect to dinitrogen is :

A

`N_2` is paramagnetic in nature.

B

It can combine with dioxygen at `25^@C`

C

liquid dinitrogen is not used in cryosurgery.

D

it can be used as an inert diluent for reactive chemicals.

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Knowledge Check

  • The correct statement with respect to CO is

    A
    It combines with `H_(2)O` to give carbonic acid
    B
    It reacts with haemoglobin in RBC
    C
    It is a powerful oxidizing agent
    D
    It is used to prepare aerated drinks

  • Correct statement with respect to sucrose is

    A
    It is dextrotatory and gives dextrorotatory glucose and laevorotatory fructose on hydrolysis
    B
    It is laevorotatory amd gives laevorotatory glucose and dextrorotatory fructose on hydrolysis
    C
    It is dextrorotatory amd gives levorotatory glucose amd dextrorotatory fructose on hydrolysis
    D
    It is laevorotatory and gives dextrorotatory glucose and laevorotatory fructose on hydrolysis

  • The correct statement with respect to product Y is

    A
    It gives a positive Tollens test and is a functional isomer of X.
    B
    It gives a positive Tollens test and is a geometrical isomer of X.
    C
    It gives a positive iodoform test and is a functional isomer of X.
    D
    It gives a positive iodoform test and is a geometrical isomer of X.
    • JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-CHEMSITRY
    1. The correct statement with respect to dinitrogen is :

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    2. Consider the following reactions :

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    3. The major product obtained from the following reaction is :

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    4. A solution of two components containing n1 moles of 1^(st) component a...

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    5. The INCORRECT statement is :

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    6. Consider the Assertion and Reason given below. Assertion (A) : Ethe...

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    7. Arrange the following solutions in the decreasing order of pOH : (A...

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    8. Among the sulphates of alkaline earth metals the solubilities of BeSO4...

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    9. The major products of the following reaction are : CH3 -overset(CH...

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    10. The major product of the following reaction is :

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    11. The presence of soluble fluoride ion upto 1 ppm concentration in drink...

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    12. The increasing order of pKb values of the following compounds is :

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    13. Which of the following compounds shows geometrical isomerism ?

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    14. The set that contains atomic numbers of only transition elements , is ...

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    15. The variation of equilibrium constant with temperature is given below ...

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    16. Kraft temperature is the temperature :

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    17. For the reaction Fe2N(s)+(3)/(2)H2(g)=2Fe(s)+NH3(g)

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    18. The species that has a spin -only magnetic moment of 5.9 BM , is : (...

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    19. The lanthanoid that does NOT show +4 oxidation stat is :

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    20. Consider the following reaction A to P1, B to P2 , C to P3 , D to P4...

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