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Total number of Cr–O bonds in Chromate i...

Total number of Cr–O bonds in Chromate ion and dichromate ion is.

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JEE MAINS PREVIOUS YEAR-JEE MAIN-CHEMISTRY
  1. The decreasing order of basicity of the following amines is :

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  2. Given following complexes (I) Na4[Fe(CN)6] (II) [Cr(H2O)6] Cl2 (III)...

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  3. Given K(sp) for Cr(OH)3 is 6 xx 10^(-31) then determine [OH^- ]. (Negl...

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  4. Number of sp^2 hybrid orbitals in Benzene is

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  5. The reaction of H(3)N(3)B(3)Cl(3)(A) with LiBH(4) in tetrahydrofuran g...

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  6. In a box a mixture containing H2, O2 and CO along with charcoal is pre...

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  7. Monomer(s) of which of the given polymer is chiral?

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  8. Given complex [Co(NH3)4Cl2]. In it if Cl – Co – Cl bond angle is 90^@ ...

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  9. Reactant A represented by square is in equilibrium with product B repr...

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  10. Consider the following reactions The compound [P] is :

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  11. The true statement amongst the following is :

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  12. A, B and C are three biomolecules . The results of the tests performed...

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  13. In which compound C–Cl bond length is shortest

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  14. When same amount of zinc is treated separately with excess of H(2)SO(4...

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  15. Given an element having following ionisation enthalpies IE1 = 496 (kJ)...

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  16. Total number of Cr–O bonds in Chromate ion and dichromate ion is.

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  17. Lacto bacillus has generation time 60 min. at 300 K and 40 min. at 400...

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  18. 0.1 mol of an ideal gas has volume 1 dm^3 in a locked box with frictio...

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  19. Consider the following reactions A underset((ii)H(3)O^(+))overset((...

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  20. One litre sea water (d = 1.03g/cm^3 ) contains 10.3 mg O2 gas. Determi...

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