1 |
Which is the second most abundant element in the universe |
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2 |
XeF6 n hydrolysis produces. |
- A. XeOF2
- B. XeOF3
- C. XeOF4
- D. XeF2
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3 |
The anhydride of HCIO<sub>4</sub>is |
- A. CIO
- B. CIO<sub>2</sub>
- C. CIO<sub>3</sub>
- D. CI<sub>2</sub>O<sub>7</sub>
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4 |
Which one is perchloric acid |
- A. HClO
- B. HClO
- C. HClO<sub>3</sub>
- D. HClO<sub>4</sub>
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5 |
Bleaching powder may be produced by passing chlorine over. |
- A. Calcium carbonate
- B. Hydrated calcium sulphate
- C. Anhydrous calcium sulphate
- D. Calcium hydroxide
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6 |
Which halogen will react spontaneously with Au to produce Au3+ |
- A. Br2
- B. F2
- C. I2
- D. Cl2
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7 |
Colour of which halogen is not correctly related. |
- A. F2 --- colourless gas
- B. Cl2---- greenish yellow gas
- C. Br2----- Reddish brown liquid
- D. I2-------- grayish Black solid
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8 |
Stability of halogen molecules decreases from |
- A. F2 to I1
- B. Cl2 to I2
- C. I2 to F2
- D. I2 to Cl2
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9 |
Which one of the following has highest melting and boiling points. |
- A. HF
- B. HBr
- C. HCl
- D. HI
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10 |
The chemical formula of Sodium Bromite is. |
- A. NaBrO
- B. NaBrO2
- C. NaBrO3
- D. NaBrO4
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