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Which of the following statements is/are TRUE?
1. The first ionisation enthalpies of the third transition series are lower than those of the first and second transition series.
2. Nickel (II) compounds are thermodynamically more stable than platinum (II) compounds.
3. Manganese is more stable in the +3 state than in the +2 state.
  • a)
    1 only
  • b)
    2 only
  • c)
    3 only
  • d)
    1 and 2
Correct answer is option 'B'. Can you explain this answer?
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Which of the following statements is/are TRUE?1. The first ionisation...
Sum of the first and second ionisation enthalpies (IE1 + IE2) for nickel is lesser as compared to that of platinum (Pt).
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Read the passage given below and answer the following questions:The d block elements are the 40 elements contained in the four rows of ten columns (3-12) in the periodic table. As all the d block elements are metallic, the term d-block metals is synonymous. This set of d-block elements is also often identified as the transition metals, but sometimes the group 12 elements (zinc, cadmium, mercury) are excluded from the transition metals as the transition elements are defined as those with partly filled d or f shells in their compounds. Inclusion of the elements zinc, cadmium and mercury is necessary as some properties of the group 12 elements are appropriate logically to include with a discussion of transition metal chemistry. The term transition element or transition metal appeared to derive from early studies of periodicity such as the Mendeleev periodic table of the elements. His horizontal table of the elements was an attempt to group the elements together so that the chemistry of elements might be explained and predicted. In this table there are eight groups labeled I-VIII with each subdivided into A and B subgroups. Mendeleev recognized that certain properties of elements in Group VIII are related to those of some of the elements in Group VII and those at the start of the next row Group I. In that sense, these elements might be described as possessing properties transitional from one row of the table to the next.In the following questions, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion (

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Which of the following statements is/are TRUE?1. The first ionisation enthalpies of the third transition series are lower than those of the first and second transition series.2. Nickel (II) compounds are thermodynamically more stable than platinum (II) compounds.3. Manganese is more stable in the +3 state than in the +2 state.a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'B'. Can you explain this answer?
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Which of the following statements is/are TRUE?1. The first ionisation enthalpies of the third transition series are lower than those of the first and second transition series.2. Nickel (II) compounds are thermodynamically more stable than platinum (II) compounds.3. Manganese is more stable in the +3 state than in the +2 state.a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is/are TRUE?1. The first ionisation enthalpies of the third transition series are lower than those of the first and second transition series.2. Nickel (II) compounds are thermodynamically more stable than platinum (II) compounds.3. Manganese is more stable in the +3 state than in the +2 state.a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is/are TRUE?1. The first ionisation enthalpies of the third transition series are lower than those of the first and second transition series.2. Nickel (II) compounds are thermodynamically more stable than platinum (II) compounds.3. Manganese is more stable in the +3 state than in the +2 state.a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'B'. Can you explain this answer?.
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