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The index of hydrogen deficiency in C20H...

The index of hydrogen deficiency in `C_20H_20O_2` is

A

11

B

6

C

9

D

12

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AAKASH INSTITUTE ENGLISH-TEST 4-EXAMPLE
  1. In thiophene, the positions at which electron density will be maximum...

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  2. Geometrical isomerism is not possible in

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  3. The index of hydrogen deficiency in C20H20O2 is

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  4. Which of the following is most stable conformer?

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  5. The correct order of basicity among the following is

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  6. The mesomeric effects of the groups , respectively is

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  7. In the given Newmann's projection formula of 2,2-Dimethyl butane, A an...

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  8. The acid which does not give isopentane on decarboxylation with soda l...

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  9. Calculate the percentage of free volume available in 1 mole gaseous wa...

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  10. For the reaction C(s)+CO(2)(g) hArr 2CO(g), the partial pressure of CO...

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  11. For the reaction C(s)+CO(2)(g) hArr 2CO(g), the partial pressure of CO...

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  12. For the reaction C(s)+CO(2)(g) hArr 2CO(g), the partial pressure of CO...

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  13. At 27^(@)C, K(p) value for the reaction CaCO(3)(s) hArr CaO (s) + CO...

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  14. The term "Retardation factor" is related to the

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  15. Which of the following sets of elements can be detected by Lassaigne's...

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  16. In Carius method, 0.18 gram of an organic compound gave 0.11 gram of A...

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  17. The number of moles of sodium acetate required to produce 112 ml of et...

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  18. Which of the following has highest boiling point?

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  19. Given the reaction at 967^(@)C and 1 atm. CaCO(3)(s)hArrCaO(s)+CO(2)...

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  20. The incorrect statement regarding ethylene is

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