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The electronic configuration 1s^(2)2s^(2...

The electronic configuration `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(9)` represents a

A

Metal atom

B

Non metal atom

C

Non metallic anion

D

Metallic cation

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Electronic conifguration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(9) indicates-

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-CHEMISTRY
  1. One mole of methylamine on reaction with nitrous acid gives at N.T.P

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  2. Addition of sodium acetate to 0.1M acetic acid will cause

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  3. The electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(9) repr...

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  4. Unusually high boiling point of water is the result of

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  5. In the reaction 3A to 2B, rate of reaction +('d(B)')/(dt) is equal to

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  6. In a given shell, the order of screening effect is

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  7. A catalyst is a substance which

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  8. Which of the following expressions gives the de Broglie relationship?

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  9. The bond order in O(2)^(-) ion is

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  10. The R.M.S. velocity of an ideal gas at constant pressure varies with d...

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  11. Solubility product of magnesium hydroxide at ordinary temperature is 1...

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  12. If the volume of the vessel in which the reaction, 2NO(g)+O(2)(g)=2NO(...

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  13. Without performing any calculation indicate the process from the follo...

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  14. The product P of the nuclear reaction ""(92)^(235)U+""(0)^(1)n to P +"...

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  15. The freezing point of water is depressed by 0.37^(@)C in a 0.01 molal ...

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  16. Which one of the following gives on ozonolysis both aldehyde and keton...

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  17. Benzoylation of phenol in alkaline medium is known as

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  18. Which one of the following compounds is most reactive towards nucleoph...

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  19. Distillation of acetone with concentrated H(2)SO(4) gives

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  20. RCH(2)CH(2)OH can be converted into RCH(2)CH(2)COOH by the following s...

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