Chemistry - Miscellaneous

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61. Which of the following is correct electron dot structure of oxygen? (NTSE Maharashtra, Stage-I, 2015-16)

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62. The spectrum of He+ is expected to be similar to that of (NTSE Bihar, Stage-I, 2016-17)

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63. Which of the following oxoacids of phosphorus is used in the preparation of Graham's salt? (NTSE Bihar, Stage-I, 2016-17)

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64. I n the reaction
Cr2O72-+ 14H + 6e → 2Cr3 + 7H20 The equivalent weight of K2Cr2 O7 in acidic medium will be (NTSE Bihar, Stage-I, 2016-17)

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65. For the reaction 2A + 2B → 2AB, the following data were collected

The total order of the reaction is (NTSE Bihar, Stage-I, 2016-17)

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