2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-33

  • question_answer
    When \[Mn{{O}_{2}}\] is fused with \[KOH,\]a coloured compound is formed. The product and its colour is

    A)  \[{{K}_{2}}Mn{{O}_{4}},\]purple green

    B)  \[KMn{{O}_{4}},\] purple

    C)  \[M{{n}_{2}}{{O}_{3}},\] brown

    D)  \[M{{n}_{2}}{{O}_{4}},\] black

    Correct Answer: A

    Solution :

    \[2Mn{{O}_{2}}+4KOH+{{O}_{2}}\xrightarrow{{}}\underset{purple\,\,green}{\mathop{2{{K}_{2}}Mn{{O}_{4}}}}\,+2{{H}_{2}}O\]


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