S-Block Elements Group 1 and 2-Preparation and Properties (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 1 - 6 of 9
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Question number: 1
» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide
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In the following reaction, , What is A?
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Question number: 2
» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide
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Which of the following sodium compound will give phosphine gas when reacted with yellow phosphorus?
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Question number: 3
» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Carbonate
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Magnesium chloride exists as MgCl 2. 6H 2 O, but sodium chloride exists as . Why?
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| a. | hydration energies of alkaline earth metals are higher |
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| b. | Because of + 2 oxidation state. |
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| c. | alkaline earth metals are more electropositive |
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| d. | lower hydration energies of alkaline earth metals |
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Question number: 4
» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide
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Write down the increasing order of melting points of alkali metals?
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Question number: 5
» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide
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What will the product when dry ammonia is passed over sodium at 400 0 C in absence of air?
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Question number: 6
» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide
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Which of the following is true about sodium?
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| a. | NaOH solution does not react with chlorine. |
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| b. | Manganous hydroxide is soluble in excess of NaOH solution. |
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| c. | NaOH is primary standard in volumetric analysis |
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| d. | NaOH is used in concentration of bauxite ore |
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