Q. No.H3PO3 \(\xrightarrow[]{\Delta }\) X + Y
The products X and Y are respectively -
1. H3PO2 ; PH3
2. H3PO4 ; PH3
3. H3PO4 ; H3PO2
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Gypsum
2. Epsom salt
3. Galena
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. H2O < H2S < H2Se < H2Te
2. H2O > H2S > H2Se > H2Te
3. H2O > H2S < H2Se < H2Te
4. H2O > H2S > H2Se < H2Te
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Stronger van der Waals force in H2O
2. Stronger hydrogen bonding in H2O
3. Stronger ion-dipole interaction in H2O
4. High dissociation constant of H2O
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Zn
2. Ti
3. Pt
4. Fe
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following reactions,
a. C2H4 + 3O2→ X + 2H2O
b. 4Al+ 3O2 → Z
X and Z are respectively-
1. X = 1 mole of CO2; Z = 4 moles of Al2O3
2. X = 2 moles of ethanoic acid; Z = 2 moles of AlO3
3. X = 2 moles of CO2; Z = 2 moles of Al2O3
4. X = 2 moles of ethanoic acid; Z = 4 moles of Al2O3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | O3 acts as a powerful oxidizing agent. |
| Reason (R): | Ozone decomposes readily on heating to give a molecule of oxygen and nascent oxygen. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Iodine
2. Potassium iodide.
3. Chlorine.
4. Sodium chloride.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Redox reaction occurs
2. Disproportionation reaction occurs
3. Displacement reaction occurs
4. Combination reaction occurs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Statement 1: | SO2 is a sp3 hybridised molecule. |
| Statement 2: | Two S−O bonds in SO2 are not equal in length. |
2. Statement 1 is False, Statement 2 is True.
3. Both Statements 1 and Statement 2 are True.
4. Both Statements 1 and Statements 2 are False.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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