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The number of lone pair in XeOF4 is...

The number of lone pair in `XeOF_4` is

A

0

B

1

C

2

D

3

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 7-EXERCISE
  1. For d electron, the orbital angular momentum is

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  2. Which one of the following molecule has the lowest bond angle?

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  3. The number of lone pair in XeOF4 is

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  4. Maximum deviation from ideal gas is expected from—

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  5. The equilibrium constant (K) of a reaction may be written as

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  6. An ideal gas is allowed to expand under adiabatic conditions what is z...

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  7. Consider the reaction A(g) + B (g) overset(rightarrow)(leftarrow) C (g...

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  8. Which of the following has the lowest melting point ?

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  9. Which of the following is least thermally statble?

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  10. In the Lassaigne’s test for the detection of sulphur, the purple colou...

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  11. In the compound overset1CH2=overet2CH—overset3CH2—overset4CH2— overset...

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  12. Which of the following gives on ozonolysis both aldehydes and ketones?

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  13. Benzene reacts with CH3COCI in, the presence of anhydrous AICI3 to for...

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  14. Which one causes Minamata

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  15. Calculate the number of atoms in 56u of He atom (Atomic mass of He = 4...

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  16. 1 amu = g.

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  17. Identify the s-block and p-block elements among the following elements...

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  18. Write the IUPAC name and symbol for the element with atomic number 119...

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  19. Classify the following system into open, closed or isolated : Hot tea ...

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  20. Identify 'X' in the figure.

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