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The increasing order of pK(b) for the f...

The increasing order of `pK_(b) ` for the following amines is

A

`3 lt 2 lt 4 lt 1 `

B

` 1 lt 2 lt 3 lt 4 `

C

`1 lt 2 lt 4 lt 3`

D

`1 lt 3 lt 2 lt 4`

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3 is least basic due to both - M and -I effect of `NO_(2)` group.
Q `pK_(b) prop ( 1)/( K_(b))`, (3) has highest `pK_(b)` <
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VMC MODULES ENGLISH-JEE MAIN REVISION TEST - 25 | JEE - 2020-CHEMISTRY
  1. For following reactions A overset( 400K)( rarr) Product A underse...

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  2. The increasing order of pK(b) for the following amines is

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  3. According to the following diagram,which of the following option is co...

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  4. Al has a smaller first ionization enthalpy than Mg. Consider the follo...

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  5. Identify ( A) in the following reaction sequence

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  6. The number of wave made by electron in one complete revolution in thir...

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  7. 1 equivalent of complex X of composition Co(NH(3))(5)Cl(n) reacts with...

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  8. The major product Z obtained in the following reaction scheme is :

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  9. Enthalpy of the reaction CH(4)+(1)/(2)O(2) to CH(3)OH, is negative, ...

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  10. A certain compound gives negative test with ninhydrin and positive tes...

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  11. The major products A and B are

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  12. The K(sp) for the following dissociation is 2.2 xx 10^(-2) PbCl(2(s...

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  13. The correct order of heat of combustion for following alkadiene is :

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  14. The compound that canact both as oxidixising and reducing agent is :

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  15. The acidic, basic and neutral oxides respectively are :

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  16. Which of the following halide does not exist

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  17. The major product (Y)in the following reaction sequency is : CH(3) -...

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  18. The magnetic moment of two dioxygen species x and y are 2.83 & 1.73 BM...

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  19. The electronic configuration of bivalent europium and trivalent cerium...

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  20. (i) [Co ( H(2) O)(6) ]^(n-6) (ii)[PtCl(2) BrF]^(2-) m geometrical i...

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