GATE ES topic:fundamentals-environmental-chemistry PYQs & Answers

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topic:fundamentals-environmental-chemistry

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Questions 1–6 of 6. Imported answers require independent review unless marked reviewed.

Topic practice 6 questionsPage 1 of 1

In the reversible reaction shown below,

is the forward reaction rate constant and

is the reverse reaction rate constant.

The CORRECT expression representing the reaction equilibrium constant is _____.

Your answerChoose one option.

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Choose the redox reaction from the following

Your answerChoose one option.

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The maximum coordination number of Sn⁴⁺ is ______.

Your answerChoose one option.

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Initially a bottle contained 400 g of ethanol. Half of ethanol was used by a student for preparing the stock solution in an environmental chemistry laboratory just before summer vacation of 90 days. After completing the procedure, the student left the bottle uncorked. If the unsealed bottle loses ethanol at a rate of 0.5 g/day, the ethanol that will be left in the bottle at the end of the summer vacation is ______ g (an integer value).

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If G represents Gibbs free energy, select the correct statement(s)

Your answerSelect all correct options. You can choose more than one.

If ΔG = 0, reaction will proceed only in one direction

If ΔG = 0, reaction will be in equilibrium

If ΔG < 0, reaction will proceed forward

If ΔG > 0, reaction will not proceed forward

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The oxidation states of ‘N’ in

, and NO are __________, respectively.

Your answerChoose one option.

+2, −3, and +3

−3, +3, and +2

−3, +3, and −4

+4, −2, and +2

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GATE ES topic:fundamentals-environmental-chemistry PYQs

How to practice topic:fundamentals-environmental-chemistry

Question 16

Question 14

Question 13

Question 65

Question 28

Question 16