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Q. No.Which of the following statements is correct?
a. Hydrides of group 13 act as Lewis acids
b. Hydrides of group 14 are electron deficient hydrides
c. Hydrides of group 14 act as Lewis acids
d. Hydrides of group 15 act as Lewis base
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is/are correct?
1. Metallic hydrides are deficient in hydrogen
2. Metallic hydrides conduct heat and electricity
3. Ionic hydrides do not conduct electricity in solid-state
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCorrelate the items listed in Column I with those listed in Column II.
| Column I | Column II |
| A. Synthesis gas | 1. Na2[Na4(PO3)6 ] |
| B. Heavy water | 2. Mixture of CO and H2 |
| C. Calgon | 3. Prolonged electrolysis of water |
| D. Salt like hydrides | 4. Stoichiometric compounds of s-block elements |
Codes
| A | B | C | D | |
| 1. | 4 | 3 | 2 | 1 |
| 2. | 2 | 3 | 1 | 4 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 3 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch Column I with Column II for the given properties/applications mentioned therein.
|
Column I |
Column II |
|
A. H |
1. Used in the name of perhydrol. |
|
B. H2 |
2. Can be reduced to dihydrogen by NaH. |
|
C. H2O |
3. Can be used in hydroformylation of olefin. |
|
D. H2O2 |
4. Can be used in cutting and welding |
Codes
A B C D
1. 4 3 2 1
2. 1 2 3 4
3. 1 4 3 2
4. 4 1 3 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the terms in Column I with the relevant item in Column II.
|
Column I |
Column II |
|
A. Atomic hydrogen |
1. Atomic reactor |
|
B. Lithium aluminum hydride is used as |
2. Polar molecule |
|
C. Hydrogen chloride is a |
3. Recombines on metal surface to generate high temperature |
|
D. Heavy water is used in |
4. Reducing agent |
Codes
A B C D
1. 3 1 2 4
2. 3 4 2 1
3. 1 4 3 2
4. 4 1 3 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the items in Column I with the relevant items in Column II.
| Column I | Column II |
| A. Hydrogen peroxide is used as a | 1. Sodium hexametaphosphate |
| B. Used in Calgon method | 2. Clark's method |
| C. Temporary hardness of hard water is removed by | 3. Reducing agent |
Codes
| A | B | C | |
| 1. | 3 | 2 | 1 |
| 2. | 1 | 2 | 3 |
| 3. | 3 | 1 | 2 |
| 4. | 2 | 1 | 3 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion: Permanent hardness of water is removed by treatment with washing soda.
Reason: Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble carbonates.
1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true and the reason is not the correct explanation of assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but the reason is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion: Some metals like platinum and palladium, can be used as storage medium for hydrogen.
Reason: Platinum and palladium can absorb large volumes of hydrogen.
1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true and the reason is not the correct explanation of assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but the reason is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is correct?
a. Elements of group 15 form electron deficient hydrides
b. All elements of group 14 form electron precise hydrides
c. Electron precise hydrides have tetrahedral geometries.
d. Electron rich hydrides can act as Lewis acids.
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHardness of water may be temporary or permanent. Permanent hardness is due to the presence of
a. Chlorides of Ca and Mg in water
b. Sulphates of Ca and Mg in water
c. Hydrogen carbonates of Ca and Mg in water
d. Carbonates of alkali metals in water.
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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