A white substance (A) reacts with dilute H2SO4to produce a colourless gas (B) and a colourless solution (C). The reaction between (B) and acidified K2Cr2O7solution produces a green solution and a slightly coloured precipitate (D). The substance (D) burns in air to produce a gas (E), which reacts with (B) to yield (D) and a colourless liquid. Anhydrous copper sulphate is turned blue on addition of this colourless liquid. Addition of aqueous NH3or NaOH to (C) produces first a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each caseThe precipitate obtained by addition of aqueous NH3or NaOH to (C) initially is _____ which dissolves in excess reagent to produce ________a)The same, the same water soluble complex in each caseb)The same, different water soluble complexes in each casec)Different, the same water soluble complex in each cased)Different, different water soluble complexes in each caseCorrect answer is option 'B'. Can you explain this answer?

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A white substance (A) reacts with dilute H₂SO₄ to produce a colourless gas (B) and a colourless solution (C). The reaction between (B) and acidified K₂Cr₂O₇ solution produces a green solution and a slightly coloured precipitate (D). The substance (D) burns in air to produce a gas (E), which reacts with (B) to yield (D) and a colourless liquid. Anhydrous copper sulphate is turned blue on addition of this colourless liquid. Addition of aqueous NH₃ or NaOH to (C) produces first a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each case
The precipitate obtained by addition of aqueous NH₃ or NaOH to (C) initially is _____ which dissolves in excess reagent to produce ________

a)
The same, the same water soluble complex in each case
b)
The same, different water soluble complexes in each case
c)
Different, the same water soluble complex in each case
d)
Different, different water soluble complexes in each case

Correct answer is option 'B'. Can you explain this answer?

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A white substance (A) reacts with dilute H2SO4to produce a colourless ...

Explanation:

Reaction with dilute H2SO4:
- White substance (A) reacts with dilute H2SO4 to produce a colourless gas (B) and a colourless solution (C).

Reaction with acidified K2Cr2O7 solution:
- The reaction between gas (B) and acidified K2Cr2O7 solution produces a green solution and a slightly coloured precipitate (D).

Burning in air:
- Precipitate (D) burns in air to produce a gas (E), which reacts with gas (B) to yield precipitate (D) and a colourless liquid.

Reaction with anhydrous copper sulphate:
- Anhydrous copper sulphate is turned blue on addition of the colourless liquid obtained from the previous step.

Reaction with aqueous NH3 or NaOH:
- Addition of aqueous NH3 or NaOH to solution (C) produces a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each case.

Precipitate formation:
- The precipitate obtained by addition of aqueous NH3 or NaOH to solution (C) initially is the same, but it dissolves in excess reagent to produce different water soluble complexes in each case.

Therefore, the correct answer is option 'B'.

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A white substance (A) reacts with dilute H2SO4to produce a colourless gas (B) and a colourless solution (C). The reaction between (B) and acidified K2Cr2O7solution produces a green solution and a slightly coloured precipitate (D). The substance (D) burns in air to produce a gas (E), which reacts with (B) to yield (D) and a colourless liquid. Anhydrous copper sulphate is turned blue on addition of this colourless liquid. Addition of aqueous NH3or NaOH to (C) produces first a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each caseThe precipitate obtained by addition of aqueous NH3or NaOH to (C) initially is _____ which dissolves in excess reagent to produce ________a)The same, the same water soluble complex in each caseb)The same, different water soluble complexes in each casec)Different, the same water soluble complex in each cased)Different, different water soluble complexes in each caseCorrect answer is option 'B'. Can you explain this answer?

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A white substance (A) reacts with dilute H2SO4to produce a colourless gas (B) and a colourless solution (C). The reaction between (B) and acidified K2Cr2O7solution produces a green solution and a slightly coloured precipitate (D). The substance (D) burns in air to produce a gas (E), which reacts with (B) to yield (D) and a colourless liquid. Anhydrous copper sulphate is turned blue on addition of this colourless liquid. Addition of aqueous NH3or NaOH to (C) produces first a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each caseThe precipitate obtained by addition of aqueous NH3or NaOH to (C) initially is _____ which dissolves in excess reagent to produce ________a)The same, the same water soluble complex in each caseb)The same, different water soluble complexes in each casec)Different, the same water soluble complex in each cased)Different, different water soluble complexes in each caseCorrect answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A white substance (A) reacts with dilute H2SO4to produce a colourless gas (B) and a colourless solution (C). The reaction between (B) and acidified K2Cr2O7solution produces a green solution and a slightly coloured precipitate (D). The substance (D) burns in air to produce a gas (E), which reacts with (B) to yield (D) and a colourless liquid. Anhydrous copper sulphate is turned blue on addition of this colourless liquid. Addition of aqueous NH3or NaOH to (C) produces first a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each caseThe precipitate obtained by addition of aqueous NH3or NaOH to (C) initially is _____ which dissolves in excess reagent to produce ________a)The same, the same water soluble complex in each caseb)The same, different water soluble complexes in each casec)Different, the same water soluble complex in each cased)Different, different water soluble complexes in each caseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A white substance (A) reacts with dilute H2SO4to produce a colourless gas (B) and a colourless solution (C). The reaction between (B) and acidified K2Cr2O7solution produces a green solution and a slightly coloured precipitate (D). The substance (D) burns in air to produce a gas (E), which reacts with (B) to yield (D) and a colourless liquid. Anhydrous copper sulphate is turned blue on addition of this colourless liquid. Addition of aqueous NH3or NaOH to (C) produces first a precipitate which dissolves in the excess of the respective reagent to produce a clear solution in each caseThe precipitate obtained by addition of aqueous NH3or NaOH to (C) initially is _____ which dissolves in excess reagent to produce ________a)The same, the same water soluble complex in each caseb)The same, different water soluble complexes in each casec)Different, the same water soluble complex in each cased)Different, different water soluble complexes in each caseCorrect answer is option 'B'. Can you explain this answer?.

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