SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is true about ammonia solution in methylbenzene?
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Has pH value more than 7
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No change on red litmus paper
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Ionises partially to produce hydroxide ions
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Ammonium ions and hydroxide ions move freely in the solution
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Explanation:
Detailed explanation-1: -Methylbenzene is a non-polar solvent. In methylbenzene, hydrogen chloride dissolves but do not ionize therefore, solution has no effect on either blue and red litmus paper.
Detailed explanation-2: -Ammonia is alkaline in nature. Hence when red litmus paper is dipped in ammonia it changes the colour of the litmus to blue.
Detailed explanation-3: -Dry ammonia gas has no action on litmus paper but a solution of ammonia in water turns red litmus paper blue.
Detailed explanation-4: -Testing for ammonia Ammonia turns damp red litmus paper blue.
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