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Benzene reacts with I2 in presence of wh...

Benzene reacts with `I_2` in presence of which of the following to give iodobenzene?

A

`HNO_3`

B

`HI`

C

`SO_2`

D

`H_2O`

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 2-EXERCISE
  1. The molecule in which C-H bond length is maximum is

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  2. The catalyst used in the above conversion is

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  3. Benzene reacts with I2 in presence of which of the following to give i...

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  4. Hypothermia is a disease for

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  5. The atomic weight and equivalent weight of an element are 27 and 9 res...

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  6. Which block contains inner transition elements.

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  7. Which element has highest oxidising property?

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  8. Is entropy increases for-the following change? Explain :C(diamond) rar...

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  9. According to first law, for a cyclic process q + w =……………..

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  10. C6H6+CO+HCl overset (Anhydrous AlCl3) underset (Cu2Cl2)() 'A', Identif...

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  11. How many neutrons are present in 5 xx 10^-1 moles of C6 ^14?

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  12. Write two difference between orbit anoorbital. What difference will be...

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  13. Write two limitations of Bohr’s theory.

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  14. [SiF6]^(2-) is known but [SiCI6]^(2-) is not. Give reasons.

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  15. Complete the following reactions :B2H6+3O2 rarr

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  16. Complete the following reactions :Na2B4O7+7H2O rarr

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  17. Write the structural formula of 3, 4, 4,5-tetramethylheptane.

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  18. Arrange the following in decreasing order of -I effect:-I, -Br, -Cl, -...

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  19. Why (CH3)3 overset ((+))(C) is more stable than overset ((+))(CH3) ?

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  20. Briefly mention the role of ozone present in stratosphere in protectin...

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