S-Block Elements Group 1 and 2-Trends in Physical and Chemical Properties (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 7 of 12
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Question number: 1
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which of the following compounds of alkali metals decompose on heating?
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| Choice (4) | Response | |
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| b. |
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| c. |
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| d. |
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Question number: 2
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which of the following statement is not true regarding the properties of alkali metal?
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| Choice (4) | Response | |
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| a. | Halides and hydrides of beryllium do not polymerize |
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| b. | BaO is soluble, but BaSO 4 is insoluble in water |
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| c. | Alkali earth metals can’t be obtain by chemical reduction |
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| d. | BeO insoluble, but BaSO 4 is soluble in water |
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Question number: 3
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
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Which pair of following chloride do not impart colour to the flame?
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Question number: 4
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
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A metal M readily forms water soluble sulphate water insoluble hydroxide and oxide which becomes inert on heating. The hydroxide is soluble in Then M is?
Choices
| Choice (4) | Response | |
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| a. | Magnesium |
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| b. | Strontium |
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| c. | Beryllium |
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| d. | Calcium |
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Question number: 5
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which one of the following alkali metal is strong reducing agent?
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| Choice (4) | Response | |
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| a. | k |
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| b. | Cs |
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| c. | Mg |
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| d. |
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Question number: 6
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which one of the following oxide of alkali metal is used as refractory material?
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Question number: 7
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which category of salts of alkaline earth metals is not found in solid state but known in solution?
Choices
| Choice (4) | Response | |
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| a. | Bicarbonates |
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| b. | Sulphates |
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| c. | Hydroxides |
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| d. | Carbonates |
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