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Hyperconjugation is absent in which spec...

Hyperconjugation is absent in which species?

A

`[(CH_3)_2CH- CH_2^(o+)]`

B

`C_6H_5-CH_3`

C

`[(CH_3)_3C- CH_2^(o+)]`

D

`[(CH_3) - CH_2^(o+)]`

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AAKASH INSTITUTE ENGLISH-TEST 7-Exercise
  1. The most acidic compound among the following is

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  2. Define following:(ii) Critical micellization concentration (CMC)

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  3. Hyperconjugation is absent in which species?

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  4. Which order does radioactive decay follow?

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  5. Volume occupied by 1 mole water (density = 1 g cm^-3 ) is

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  6. Maximum number of orbitals in a subshell of a atom is determined by

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  7. If uncertainty in position is twice the uncertainty in momentum then u...

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  8. Which of the following ions is largest in size?

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  9. Electron deficient species among the following is

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  10. A certain gas takes four times as long as to out as to effuse helium. ...

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  11. Four moles of an ideal gas expanded spontaneously in vacuum. The work ...

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  12. If at 77°C, enthalpy of fusion of a compound is 140 kJ/mol then the en...

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  13. (Kp/Kc) for the given equilibrium is [PCl5 (g) hArrPCl3(g) + Cl2 (g)]

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  14. Which of the following equimolar aqueous solution of hydroxides will h...

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  15. Compound which cannot act as a reducing agent is

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  16. The volume of oxygen gas liberated at NTP from 30 mL of 20 (V H2O2), s...

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  17. Among given ions, maximum mobility in aqueous solution is of

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  18. Which of the following is a neutral oxide?

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  19. Which amongst the following is the most stable carbocation?

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  20. In case of bromination to benzene in the presence of FeBr3, the electr...

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