जब कॉपर ऑक्साइड को तनु हाइड्रोक्लोरिक अम्ल में मिलाया जाता है, तो ___ के निर्माण के कारण अम्ल का रंग नीला-हरा हो जाता है।

This question was previously asked in
RRB Group D 27 Sept 2022 Shift 3 Official Paper
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  1. जल
  2. हाइड्रोजन गैस
  3. कॉपर (II) क्लोराइड
  4. कॉपर (I) क्लोराइड

Answer (Detailed Solution Below)

Option 3 : कॉपर (II) क्लोराइड
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RRB Group D Full Test 1
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100 Questions 100 Marks 90 Mins

Detailed Solution

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सही उत्तर "कॉपर (ll) क्लोराइड" है।

Key Points

  • जब कॉपर ऑक्साइड को तनु हाइड्रोक्लोरिक  एसिड  में मिलाया जाता है तो इसके परिणामस्वरूप कॉपर क्लोराइड बनता है।
  • घुलनशील कॉपर क्लोराइड नीले-हरे रंग का होता है और घोल का रंग बदलकर नीला-हरा कर देता है।
  • यह दोहरी विस्थापन अभिक्रिया है।
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