LIVE Course for free

Rated by 1 million+ students
Get app now
JEE MAIN 2023
JEE MAIN 2023 TEST SERIES
NEET 2023 TEST SERIES
NEET 2023
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
47 views
in Biology by (30.0k points)
closed by
Metal ion present in Vitamin B12 is
1. Fe2+
2. Cr2+
3. Co2+
4. Mg2+

1 Answer

0 votes
by (30.0k points)
selected by
 
Best answer
Correct Answer - Option 3 : Co2+

The correct answer is Co2+

  • The metal ion present in Vitamin B12 is Co2+.

  • Vitamins:
    • It was first invented by FG Hopkins.
    • The term vitamin was coined by C Funk.
    • They provide no calories, they only regulate chemical reactions occurring in the metabolism of the body.
      • Vitamin is soluble in water: Vitamin-B and Vitamin-C.
      • Vitamin soluble in fat: Vitamin-A, Vitamin-D, Vitamin-E and Vitamin-K.
  • Vitamin B12
    • ​Cobalt is found in Vitamin-B12.
    • Its chemical name is Cyanocobalamin.
    • Its deficiency causes Pernicious anaemia.
    • It can be found in meat, poultry, fish, eggs and milk.
  • Synthesis of Vitamin-D and K takes place in our body.
  • Synthesis of vitamins cannot be done by the cells and it is fulfilled by the vitamin foods.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...