The correct statement among the following regarding CsBr3 is -

1. It is a covalent compound.

2. It contains Cs2+ and Br- ions.

3. It contains Cs+, Br- and Br2 lattice molecules.

4. It contains Cs+ and Br3- ions.

Subtopic:  Chemical Properties | Compounds of Ca and Na -Preparations, Properties & Uses |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Brine is chemically:

1. conc. solution of Na2CO3

2. conc. solution of Na2SO4

3. conc. solution of NaCl

4. conc. solution of alum

Subtopic:  Physical Properties | Chemical Properties |
 84%
From NCERT
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NO2 is obtained by heating:

1. CsNO3

2. KNO3

3. LiNO3

4. NaNO3

Subtopic:  Chemical Properties |
 71%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Excess of dilute sodium hydroxide solution is gradually added with shaking to an aqueous solution of zinc sulphate. What would you observe?

1. A light blue precipitate is first formed which finally dissolves to give a deep blue solution

2. A white precipitate appears which dissolves to give a colourless solution.

3. A white precipitation is formed which does not dissolve 

4. No change takes place and the solution remains clear

Subtopic:  Chemical Properties |
 64%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which has lowest thermal stability?

1. Li2CO3

2. Na2CO3

3. K2CO3

4. Rb2CO3

Subtopic:  Chemical Properties |
 76%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

An alkali metal that reacts with nitrogen to form nitride is -

1. Li

2. Na

3. Cs

4. None of the above.

Subtopic:  Chemical Properties |
 91%
From NCERT
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The most basic oxide among the following is:

1. Na2O

2. BaO

3. As2O3

4. Al2O3

Subtopic:  Chemical Properties |
 55%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The most dangerous method of precipitating hydrogen would be by the action of HCl on:

1. Zn

2. Fe

3. K

4. Al

Subtopic:  Chemical Properties |
 64%
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Which is industrially prepared by the electrolysis of aqueous NaCl?

1. Na2CO3

2. NaHCO3

3. NaOH 

4. NaOCl

Subtopic:  Chemical Properties |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Sodium cannot be extracted by the electrolysis of brine solution because:

1. sodium leberated reacts with water to produce NaOH+H2

2. sodium being more electropositive than hydrogen, H2 is liberated at cathod and not sodium

3. electrolysis cannot take place with brine solution

4. none of the above

Subtopic:  Chemical Properties |
 62%
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NEET 2023 - Target Batch - Aryan Raj Singh
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