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Which of the following is//are true for ...

Which of the following is//are true for oxygen.

A

`KMnO_(4)`(S) on strong heating given oxygen gas

B

Oxygen mixed with helium is used for artificial respiration

C

It has two unpaired electrons in bonding `pi` molecular orbitals

D

Fractional distillation of liquefied air is used as an industrial method for the preparation of oxygen gas

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RESONANCE-NITROGEN & OXYGEN FAMILY-Exercise 2 (Part-III : One or more than one option correct type)
  1. White Phosphorus may be removed from red Phosphorus by

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  2. The compound which on strong heating gives oxygen is :

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  3. Which of the following is//are true for oxygen.

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  4. The correct statements(s) regarding hydrides (H(2)E) of group -16 is/a...

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  5. The correct statements regarding ozone is/are

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  6. The incorrect statement(s) regarding oxides of group-16 elements is/ar...

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  7. Which of the following ions dissolve in excess of aq. NH(3)

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  8. Which of the following is/are incorrect statements(s) for phosphine ?

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  9. Which of the following process(es) can given sulphur ?

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  10. How is H(2)S prepared in laboratory ?

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  11. A gas is obtained on heating ammonium nitrate. Which of the following ...

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  12. Which of the following repressents correct dissociation of nitrate sal...

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  13. SO(2) can reduce :

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  14. A white crystaline oxide (A) having garlic smell reacts with cold wate...

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  15. Select the correct statement

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  16. Which of the following statements is (are) correct ?

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  17. Concentrated sulphuric acid acts as

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  18. Which among the following is/are peroxo acid (s) ?

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  19. Which of the following are used as chlorinating agents in organic synt...

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  20. Select the correct statement(s) regarding reaction of SO(2) " with " P...

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