The correct relationship between the pH of isomolar solutions of sodium oxide(pH1), sodium sulphide (pH2), sodium selenide (pH3) and sodium telluride (pH4) is -
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBy heating which of the following, would NO2 be produced?
1. NaNO3
2. AgNO3
3. NH4NO3
4. NH4NO2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe formation of is difficult as compared to because
1. Lone pair of phosphorous is optically inert.
2. Lone pair of phosphorous resides in almost pure p - orbital.
3. Lone pair of phosphorous resides at sp3 orbital.
4. Lone pair of phosphorous resides in almost pure s - orbital.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is produced when iodine and concentrated nitric acid react?
1. HOI
2. HI
3. HIO3
4. HIO4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe partial hydrolysis of one mole of peroxodi-sulphuric acid produces
1. | Two moles of sulphuric acid |
2. | Two moles of peroxomono-sulphuric acid |
3. | One mole of sulphuric acid, one mole of peroxomono-sulphuric acid |
4. | One mole of sulphuric acid, one mole of peroxomono-sulphuric acid and one mole of hydrogen peroxide |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the correct statement?
1. F2 has higher dissociation energy than Cl2
2. F has higher electron affinity than Cl
3. HF is stronger acid than HCl
4. Boiling point increases down the group in halogens
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIncorrectly matched characteristic is:
1. S8: covalent lattice
2. P4: tetrahedron
3. S52-: zigzag
4. SiO2: Covalent lattice
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following does not generate N2 on heating?
1. (NH4)2Cr2O7
2. NH4Cl + NaNO2
3. NH4Cl + CaO
4. Ba(N3)2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn oxyacid among the following that contains both P-H and P-P bonds simultaneously is:
1. H4P2O5
2. H4P2O7
3. H4P2O6
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following reactions indicate oxidation of nitrogen?
1. N2 → 2NH3
2. N2O4 → 2NO2
3. NO3- → N2O5
4. NO2- → NO3-
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology