2. Questions Bank
  3. 12th Class
  4. Chemistry
  5. The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I

12th Class Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Case Based - The p-Block Elements

  • question_answer
    Identify B in the following reaction. \[Cu+HN{{O}_{3(conc.)}}\to \underset{Deep\,blue\,colour}{\mathop{(A)}}\,+\underset{Gas}{\mathop{\,(B)}}\,\,+{{H}_{2}}O\]

    A) \[N{{O}_{2}}\]

    B) \[{{N}_{2}}\]

    C) NO

    D) \[{{N}_{2}}O\]

    Correct Answer: A

    Solution :

    \[Cu+4HN{{O}_{3(conc.)}}\to \underset{(A)}{\mathop{Cu{{\left( N{{O}_{3}} \right)}_{2}}}}\,+\underset{(B)}{\mathop{2N{{O}_{2}}}}\,+2{{H}_{2}}O\]


You need to login to perform this action.
You will be redirected in 3 sec spinner