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If Q reacts with fluorine and oxygen, th...

If Q reacts with fluorine and oxygen, the molecular formula of fluoride and oxide will be respectively: (Q is mono electropositive element.)

A

`QF_(3),Q_(2)O_(3)`

B

`QF,Q_(2)O`

C

`QF_(2),QO`

D

None of these

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NARAYNA-PERIODIC TABLE -All Questions
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  2. Ionization energies of five elements of same period in kcal/mol are gi...

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  3. If Q reacts with fluorine and oxygen, the molecular formula of fluorid...

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  4. Which of the following is not an actinoid?

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  5. The outer electronic configuration of Gd (Automic number 64) is

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  6. The statement that is not correct for periodic classification of eleme...

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  7. The period number in the long form of the periodic table is equal to

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  8. The elements in which electrons are progressively filled in 4f-orbital...

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  9. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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  10. Electronic configuration of four elements p,q,r and s are given below ...

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  11. All transition elements are d-block elements, but all d-block elements...

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  12. Among the elements B,Al,C and Si a. Which has highest IE(1) ? b. W...

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  13. Match the correct atomic radius with the element, in the increasing or...

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  14. Match the correct ionisation enthalpies and electron gain enthalpies o...

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  15. Electronic configuration of some elements is given in Column I and the...

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  16. Which of the following elements can show covalency greater than 4?

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  17. Those elements impart colour to the flame on heating in it, the atoms ...

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  18. Which of the following sequences contain atomic numbers of only repres...

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  19. Which of the following elements will gain one electron more readily co...

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  20. Which of the following statements are correct ?

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